ACCULINK 3162 DSU/CSU USER’S GUIDE Document No.
Copyright 1999 Paradyne Corporation. All rights reserved. Printed in U.S.A. Notice This publication is protected by federal copyright law. No part of this publication may be copied or distributed, transmitted, transcribed, stored in a retrieval system, or translated into any human or computer language in any form or by any means, electronic, mechanical, magnetic, manual or otherwise, or disclosed to third parties without the express written permission of Paradyne Corporation, 8545 126th Ave. N.
Important Information ! Important Safety Instructions 1. Read and follow all warning notices and instructions marked on the product or included in the manual. 2. This product is intended to be used with a 3-wire grounding type plug – a plug which has a grounding pin. This is a safety feature. Equipment grounding is vital to ensure safe operation. Do not defeat the purpose of the grounding type plug by modifying the plug or using an adapter.
Important Information EMI Warnings ! WARNING: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
Important Information Government Requirements and Equipment Return Certain governments require that instructions pertaining to CSU connection to the telephone network be included in the installation and operation manual. Specific instructions are listed in the following sections. United States NOTICE TO USERS OF THE UNITED STATES TELEPHONE NETWORK 1. This equipment complies with Part 68 of the FCC rules.
Important Information 7. If your DSU/CSU is in need of repair, refer to the Warranty, Sales and Service Information section on page A. 8. No repairs may be made by the customer. Canada NOTICE TO USERS OF THE CANADIAN TELEPHONE NETWORK The Industry Canada label identifies certified equipment. This certification means that the equipment meets telecommunications network protective, operational, and safety requirements as prescribed in the appropriate Terminal Equipment Technical Requirements document(s).
Contents About This Guide Document Purpose and Intended Audience . . . . . . . . . . . . . . . . . . . . . . . . . vii Document Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii Product-Related Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viii Reference Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viii 1 Introduction Overview . . . . . . . . . . . . . .
Contents 3 Operation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 Front Panel LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 Initiating an Asynchronous Terminal Session . . . . . . . . . . . . . . . . . . . . . . . . 3-5 Ending an Asynchronous Terminal Session . . . . . . . . . . . . . . . . . . . . . . . . . 3-5 Recovering Asynchronous Terminal Operation . . . . .
Contents 4 Monitoring and Testing Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 Self-Test Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 Device Health and Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3 Performance Reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contents A Asynchronous Terminal Menu B Technical Specifications Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1 C Configuration Options Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1 Network Interface Configuration Options . . . . . . . . . . . . . . . . . . . . . . . . . . . C-2 DTE Interface Configuration Options . . . . . . . . . . . . . . . . .
Contents E SNMP MIB Objects Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-1 MIB II (RFC 1213) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-1 System Group, MIB II . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-2 Interface Group, MIB II . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-3 IP Group, MIB II . . . . . . .
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About This Guide Document Purpose and Intended Audience This user’s guide contains installation, operation, and maintenance information for the ACCULINK 3162 Data Service Unit (DSU)/Channel Service Unit (CSU). It is assumed that you are familiar with the operation of digital data communication equipment. You should also be familiar with Simple Network Management Protocol (SNMP) if you want your DSU/CSU to be managed by an SNMP manager.
About This Guide Section Description Appendix F IP Network Addressing Scenario. Provides sample IP addressing scheme. Appendix G Equipment List. Contains order numbers for cables and other related parts. Glossary Defines abbreviations and terms used in this document. Index Lists key terms, concepts, and sections in alphabetical order.
Introduction 1 Overview The DSU/CSU acts as an interface between the T1 digital network and the customer premises equipment, converting signals received from the DTE (Data Terminal Equipment) to bipolar signals that can be transmitted over T1 lines. Typical applications include shared access to network-based services, Local Area Network (LAN)/Wide Area Network (WAN) interconnection, and fractional T1 network applications.
Introduction DTE Drop/Insert (DSX-1) Interface The DTE Drop/Insert interface allows DTEs/PBXs that support the DS1 signal format to share the T1 network with other high-speed equipment. Asynchronous Terminal Interface Support The DSU/CSU can be configured and managed from an asynchronous (async) terminal. The asynchronous terminal’s full screen display uses a menu hierarchy to perform device-control operations.
Introduction Physical Description The DSU/CSU front panel (Figure 1-1) contains twelve light-emitting diodes (LEDs) and six test jacks. The LEDs are described in the Front Panel LEDs section in Chapter 3, Operation. The test jacks are described in the Test Jacks section in Chapter 4, Maintenance. The DSU/CSU rear panel (Figure 1-2) contains the connectors required for the operation of the DSU/CSU. The connectors and their functions are listed in Table 1-1.
Introduction Table 1-1. DSU/CSU Rear Panel Connectors 1-4 Name Function POWER Supplies power to the DSU/CSU by providing an attachment for the ac power module. AUX PORT Supports SNMP LAN Adapter or daisy-chain connections. COM PORT Provides access to a locally connected PC, ASCII terminal or printer, SNMP management link, or asynchronous terminal interface. NETWORK Provides access to the T1 network. DTE Provides access to the DTE Drop/Insert (DSX-1) interface.
Installation 2 Overview This chapter contains information for installing your DSU/CSU. It includes application examples, cabling, and power-up information. Application Examples The DSU/CSU acts as an interface between the T1 digital network and the customer’s equipment. The DSU/CSU is connected to the customer’s equipment through one of the synchronous data ports (PORTs 1– 2) or the DTE Drop/Insert (DSX-1) interface. It is connected to the T1 digital network through the network interface.
Installation PBX NETWORK SERVICES LAN ROUTER DSU/CSU 496-15219 Figure 2-2. Shared Access Application Example LAN ROUTER LAN ROUTER DSU/CSU FRACTIONAL NETWORK DSU/CSU LAN ROUTER LAN ROUTER DSU/CSU 496-15220 Figure 2-3.
Installation SNMP or Telnet Connection Examples The DSU/CSU can be connected to an SNMP or Telnet system in a number of ways. Some examples include: Directly connecting the COM port to the SNMP or Telnet device (Figure 2-4). Connecting the COM port to a network device (e.g., a router) (Figure 2-5). Connecting the COM port or the AUX port to an external LAN Adapter for Ethernet connectivity (Figure 2-6). Daisy chaining the COM port of one device to the AUX port of the other (Figure 2-7).
Installation DSU/CSU ETHERNET LAN ROUTER NETWORK PPP LAN ADAPTER 496-15223 Figure 2-6. Connection through a LAN Adapter DSU/CSU PPP DSU/CSU NETWORK PPP ETHERNET DSU/CSU LAN ROUTER LAN ADAPTER PPP 496-15224 Figure 2-7. LAN Adapter and Daisy Chaining DSU/CSU DSU/CSU ETHERNET LAN ROUTER NETWORK FDL/EDL PPP LAN ADAPTER 496-15225 Figure 2-8.
Installation Important Instructions Read and follow all warning notices and instructions marked on the DSU/CSU or included in this guide. For a complete listing of the safety instructions, see the Important Safety Instructions section at the beginning of this guide. Cabling Examples The DSU/CSU is supplied with an ac power module. Optional cables are described in Appendix D, Pin Assignments. Figure 2-9 illustrates some cabling examples.
Installation Power-Up Self-Test After you connect the DSU/CSU to a power source, the unit performs the power-up self-test to ensure that it is in good working order. The DSU/CSU performs this test on itself upon power-up or after a device reset, unless it has been disabled by the Self-Test configuration option (see Appendix C, Configuration Options). The self-test includes a basic processor test, a limited memory test, a code checksum test, and basic verification tests of the internal components.
Operation 3 Overview This chapter contains information for operating your DSU/CSU. It includes a description of the front panel LEDs and sample procedures to help you become familiar with the use of the asynchronous terminal for DSU/CSU control. Front Panel LEDs There are twelve LEDs on the DSU/CSU front panel. The five LEDs on the right (Figure 3-1) are shared between the DTE Drop/Insert (DSX-1) interface and the data ports.
Operation Table 3-1. System LEDs Name Color Meaning OK Green Indicates the current operational state of the DSU/CSU. ON : The DSU/CSU is operational and has power. OFF : The DSU/CSU is performing a power-up self-test or a system failure has occurred. BLINKING : A software download is in progress. FAIL Yellow Indicates a system failure or a self-test. ON : A device error/fault is detected or a reset has just occurred. OFF : No system failures are detected. BLINKING: A self-test is in progress.
Operation Table 3-3. DTE Drop/Insert (DSX-1) Interface LEDs 3162-A2-GB20-30 Name Color Meaning SIG Green Monitors the signal being received from the DTE Drop/Insert (DSX-1) interface. ON : A recoverable signal is being received from the DTE Drop/Insert (DSX-1) interface. OFF : The signal cannot be recovered from the DTE Drop/Insert (DSX-1) interface (a Loss of Signal condition exists). OOF Yellow Monitors Out Of Frame (OOF) conditions on the received DTE Drop/Insert (DSX-1) signal.
Operation Table 3-4. Data Port LEDs 3-4 Name Color Meaning DTR Green Monitors the state of interchange circuit CD (CCITT 108/1, /2) – Data Terminal Ready received from the synchronous data DTE. ON : DTR is being asserted by the synchronous data DTE. OFF : DTR is not being asserted. TXD Yellow Monitors activity on interchange circuit BA (CCITT 103) – Transmitted Data. This is the data sent from the synchronous data DTE to the data port on the DSU/CSU.
Operation Initiating an Asynchronous Terminal Session You can configure and manage the DSU/CSU from an asynchronous terminal that is configured for 9.6 kbps, 8 characters, no parity, and 1 stop bit. You can connect the asynchronous terminal directly to the COM port of the DSU/CSU, or you can establish a remote connection using dial-in or Telnet access. Once the appropriate access is established, the Main Menu screen (Figure 3-2) appears (unless a password is required).
Operation Recovering Asynchronous Terminal Operation If the DSU/CSU is misconfigured, leaving it in a state that does not support asynchronous terminal operation, use the following recovery procedure. Procedure 1. Power cycle the DSU/CSU, waiting for the completion of the power-up self-test. 2. Press the asynchronous terminal’s Return key five times in succession.
Operation Menu Organization Figure 3-3 shows the organization of the asynchronous terminal menu tree.
Operation Using Asynchronous Terminal Screens There are three types of asynchronous terminal screens. Menu screens list selections available through the menu system. Input screens allow you to edit or change information on a screen using screen function keys (Table 3-5) or keyboard keys (Table 3-6). Display screens show the results from a data collection operation or they display device-specific information. The asynchronous terminal supports character matching for entering values in fields.
Operation Table 3-6. Keyboard Keys Keyboard Key Usage Ctrl-a Moves the cursor between the Screen area and the Screen Function Keys area. Esc Returns to the previous screen. Tab Moves the cursor to the next field. Back (Shift) Tab or Ctrl-k Moves the cursor to the previous field. Backspace Moves the cursor one position to the left or to the last character of the previous field. Spacebar Selects the next valid value for the field. Delete Deletes the character that the cursor is on.
Operation NOTE: The following procedures are examples only. This chapter uses examples to help you become familiar with the use of the asynchronous terminal for DSU/CSU control. Setting Customer Identification The customer identification is used to uniquely identify the DSU/CSU. Procedure To change the customer identification (Customer ID): 1. From the Main Menu screen, select Control. 2. From the Control screen, select Customer ID. The Customer ID screen appears (Figure 3-4). 3.
Operation Displaying LED Conditions The same conditions monitored by the front panel LEDs can also be monitored by the Display LEDs screen. This screen is most useful when the DSU/CSU is being accessed remotely. Procedure To display LED conditions: 1. From the Main Menu screen, select Status. 2. From the Status screen, select Display LEDs. The Display LEDs screen appears (Figure 3-5). The screen shows a snapshot of the LEDs every 5 seconds. LEDs that are illuminated are displayed by inverse video.
Operation Changing Configuration Options The DSU/CSU is an intelligent device that displays only valid options for the current configuration. Therefore, you are only presented with menu choices that are consistent with the current configuration and operational state of the DSU/CSU; invalid combinations of configuration options do not appear. For example, if the DTE Drop/Insert (DSX-1) interface selection is disabled, many of the menu choices do not appear.
Operation Displaying or Editing Configuration Options Procedure To display or edit configuration options: 1. From the Main Menu screen, select Configuration. The Load Configuration From screen appears (Figure 3-6). 2. From the Load Configuration From screen, select a configuration option set to load (Current, Customer 1, Customer 2, Default Factory 1, or Default Factory 2). You cannot edit the Default Factory configuration options, but you can display them.
Operation ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ main /config/edit Customer ID: Node A Slot: xx Model: 3162 CONFIGURATION EDIT/DISPL
Operation Saving Edit Changes Procedure To save edit changes: 1. From the last edit screen, select Save. The Save Configuration To screen appears (Figure 3-8). 2. From the Save Configuration To screen, select a configuration option set (Current, Customer 1, or Customer 2). Save edit changes to the Current area when you want those changes to take effect immediately.
Operation Configuring the DSU/CSU for SNMP or Telnet Access To configure the DSU/CSU for SNMP or Telnet access, Enable the SNMP agent or Telnet server within the DSU/CSU (see Appendix C, Configuration Options). Select and configure the port that provides the link to the SNMP or Telnet system. Set the Internet Protocol (IP) address and subnet mask needed to access the DSU/CSU (see Appendix F, IP Network Addressing Scenario).
Operation Selecting the Port The SNMP manager, Telnet device, or network device (e.g., a router) can be directly connected to the COM port. An external LAN Adapter can be connected to either the COM port or the auxiliary (AUX) port to provide Ethernet or Token Ring connectivity. Also, the DSU/CSU can be daisy chained together by connecting the COM port of one device to the AUX port of the other, providing SNMP or Telnet connectivity.
Operation Setting the IP Address The IP address is the address used by the SNMP or Telnet system to access the DSU/CSU (see Appendix F, IP Network Addressing Scenario). For DSU/CSUs using PPP, the IP address can be negotiated if the network device (e.g., router or SNMP manager) supports such negotiation. The IP address is composed of four fields with three digits per field (xxx.xxx.xxx.xxx).
Operation Selecting the Link Layer Protocol Two link layer protocols, Point-to-Point Protocol (PPP) and Serial Line Internet Protocol (SLIP), are supported for connection to an external SNMP manager, Telnet device, or network device (e.g., a router). PPP can be used for synchronous or asynchronous operation. SLIP can be used for asynchronous operation only. The DSU/CSU implementation of PPP supports the following: H Full negotiation of PPP’s Link Control Protocol (LCP).
Operation Configuring DS0 Channels The DSU/CSU provides Cross Connect configuration options that allow you to do the following: Display the DS0 assignments for the network, DTE Drop/Insert (DSX-1), and data port interfaces. Allocate DS0 channels on the DTE Drop/Insert (DSX-1) interface to the network interface. Allocate DS0 channels on the network or DTE Drop/Insert (DSX-1) interface to particular data ports. Map data from one port to another.
Operation DTE DROP/INSERT (DSX-1) INTERFACE D1 D2 NETWORK INTERFACE D3 N1 D4 N2 D5 N3 D6 N4 D7 N5 D8 N6 D9 N7 D10 N8 D11 N9 D12 N10 D13 N11 D14 N12 D15 N13 D16 N14 D17 N15 D18 N16 D19 N17 D20 N18 D21 N19 D22 N20 D23 N21 D24 N22 N23 PORTS PRT 1 N24 PRT 2 496-15016 Figure 3-10.
Operation Network Interface Network Channel Allocation N1 D1 N2 D2 N3 D3 N4 D4 N5 D5 N6 N7 N8 N9 D9 N10 D10 N11 D11 N12 D12 N13 D15 N14 Prt1 N15 Prt1 N16 Prt1 N17 N18 Prt2 N19 Prt2 N20 Prt2 N21 Prt2 N22 Prt2 N23 Prt2 N24 Allocations D1 – D24 indicates allocation to DTE Drop/Insert (DSX-1) channels. Prt1 – Prt2 indicates allocation to synchronous data ports. Figure 3-11.
Operation DTE Drop/Insert (DSX-1) Interface DTE (DSX-1) Channel Allocation D1 N1 D2 N2 D3 N3 D4 N4 D5 N5 D6 D7 D8 D9 N9 D10 N10 D11 N11 D12 N12 D13 D14 N13 D15 D16 D17 D18 D19 D20 D21 D22 D23 D24 Allocations N1 – N24 indicates allocation to network channels. Figure 3-12.
Operation Displaying DS0 Channel Assignments Use the DTE to Network Assignments screen (in the Cross Connect branch) to view how the DS0 channels are currently allocated. DS0 designations used on this screen are shown in Table 3-7. Table 3-7. DTE to Network DS0 Designations 3-24 Designation Meaning Available The DS0 channel is not allocated. Assigned The DS0 channel is allocated to one of the data ports.
Operation Procedure To display the DS0 channel allocation: 1. From the Main Menu screen, select Configuration. 2. From the Load Configuration From screen, select Current. 3. From the Configuration Edit/Display screen, select Cross Connect. 4. From the Cross Connect screen, select DTE To Network Assignments. The DTE to Network Assignments screen appears (Figure 3-13). 5.
Operation Allocating DS0 Channels from the DTE Drop/Insert Interface to the Network Interface Procedure To allocate DS0 channels from the DTE Drop/Insert (DSX-1) interface to the network interface: 1. From the Main Menu screen, select Configuration. The Load Configuration From screen appears. 2. From the Load Configuration From screen, select Current. The Configuration Edit/Display screen appears. 3. From the Configuration Edit/Display screen, select Cross Connect. The Cross Connect screen appears. 4.
Operation Configuring DS0 Channels for Robbed Bit Signaling By using the DTE configuration options, you can specify which DS0 channels carry Robbed Bit Signaling (RBS) information for voice channels. Procedure To specify DTE Drop/Insert (DSX-1) channels used to carry voice information: 1. From the Main Menu screen, select Configuration. The Load Configuration From screen appears. 2. From the Load Configuration From screen, select Current. The Configuration Edit/Display screen appears. 3.
Operation Allocating Data Ports Using the Block or ACAMI Assignment Method By using the block or ACAMI (Alternate Channel Alternate Block Inversion) assignment method, you can assign a data port to a block of contiguous DS0 channels on either the network interface or the DTE Drop/Insert (DSX-1) interface. The block assignment method allows a block of contiguous channels to be assigned by specifying a data port rate and an initial DS0 channel (the first DS0 channel in a block of DS0 channels).
Operation Allocating Data Ports Using the Individual Channel Assignment Method By using the individual channel assignment method, you can assign a data port to individual DS0 channels on either the network interface or the DTE Drop/Insert (DSX-1) interface. This method individually selects the DS0 channels to allocate to the data port. The data port rate is automatically determined based on the number of channels selected. Procedure To assign data ports by the individual channel method: 1.
Operation Establishing Access Security on a Port Although the password feature is available, it is not required. If used, it ensures access security before control is passed to a device connected to a port. The following procedure is an example only. It shows how to enable the password for the communication port. Passwords can also be enabled for the internal modem and for Telnet sessions. Procedure To establish access security on the communication port: 1.
Operation Setting a Password In addition to establishing access security on a port (refer to the previous section, Establishing Access Security on a Port), the password itself is set. Unless you specify otherwise, the password is null. Procedure To set a password: 1. From the Main Menu screen, select Control. 2. From the Control screen, select Administer Password. The Password Entry screen (Figure 3-16) is used to add a new password or modify an existing password. 3.
Operation Entering a Password to Gain Access When access security is required, the Login screen (Figure 3-17) appears before you can access the Main Menu screen. The password must be entered. If the password is valid, the DSU/CSU’s top-level menu appears. If the password is invalid, an invalid password message appears and the screen reappears and waits for password entry.
Operation Selecting the Timing Source The DSU/CSU provides the ability to select a master clock (timing) source that is used to synchronize all of the T1 and data port interfaces on the DSU/CSU. The clock for each interface is at the appropriate rate for that interface (e.g., 1.544 Mbps for the T1 interfaces, the configured port rate for the data ports), and it is independent of the master clock rate. This means that the master clock rate and the DSU/CSU interface rates may be different.
Operation Providing Backup Capability If the T1 network fails, the DSU/CSU provides the ability to reconfigure the unit and restore (at least partially) priority data circuits through an external backup device. You can store backup configuration options in the Customer 2 set of customer-defined configuration options. The Enterprise MIB variable devConfigAreaCopy allows the entire contents of one configuration area to be copied into another configuration area via SNMP.
Monitoring and Testing 4 Overview The DSU/CSU can detect and report faults, and perform diagnostic tests. These features ensure that your DSU/CSU is giving you optimum performance in your network. Self-Test Results Use the System and Test Status screen to display the results of the power-up self-test. Possible messages are listed in Table 4-1. See Chapter 2, Installation, for more information about power-up self-test. Procedure To display power-up self-test results: 1.
Monitoring and Testing Table 4-1. Self-Test Results 4-2 Message Description Passed No problems were found during power-up. CPU Fail The central processing unit failed internal testing. Device Fail One or more of the unit’s integrated circuit chips failed to pass internal device level testing. B8ZS/LOS Fail The unit failed to encode data properly or to detect Loss Of Signal. Network T1 Fail The unit failed to internally loop data on the network T1 circuit.
Monitoring and Testing Device Health and Status Use the System and Test Status screen to display the current health and status messages for the DSU/CSU. Table 4-2 lists these messages in priority order. Procedure To display health and status messages: 1. From the Main Menu screen, select Status. 2. From the Status screen, select System and Test Status. Table 4-2.
Monitoring and Testing Table 4-2. Health and Status Messages (2 of 2) Message Description EER at Port n The error rate of the received signal has exceeded the configured threshold for data port Port n (where n is the port number). This condition only occurs if the synchronous data port’s Embedded Data Link (EDL) is enabled. The condition is cleared when the error rate falls below the synchronous data port’s configured threshold value.
Monitoring and Testing You can reset the performance registers via the Clear Statistics selection on the Performance Statistics screen. Procedure To display performance reports: 1. From the Main Menu screen, select Status. 2. From the Status screen, select Performance Statistics. 3. From the Performance Statistics screen, select either Network or Sync Data Ports depending on the type of statistics that you want to view. Table 4-3.
Monitoring and Testing Table 4-3. Performance Registers (2 of 3) 4-6 Register Interval Description Totals Description SES The number of severely errored seconds for the current interval. A severely errored second is any second with 320 or more CRC errors, or any second with one or more OOF events. The maximum is 900 seconds. The total number of severely errored seconds for the previous x hours, where x is 24 hours for aggregate performance and 8 hours for port performance.
Monitoring and Testing Table 4-3. Performance Registers (3 of 3) 3162-A2-GB20-30 Register Interval Description Totals Description Status (Only valid for User registers.) The status events register records whether one or more of the following events have occurred at least once during the interval. The event is identified by a letter as follows: Y – A Yellow Alarm signal has been received on the network interface. L – Loss Of Signal has occurred on the DTE Drop/Insert (DSX-1) interface.
Monitoring and Testing Alarms To display or print alarm messages, you can attach the DSU/CSU, either locally or remotely, to an ASCII terminal or printer. Alarms can also be displayed on a PC that is using a terminal emulation package. You can route these alarms to the COM port or dial them out using an external device. Each alarm message contains a customer identification to indicate which remote DSU/CSU is reporting an alarm.
Monitoring and Testing If two alarm conditions are detected at once, the higher priority alarm is reported. However, if an even higher priority alarm is detected before the first alarm is cleared, the later alarm is not reported. (The alarms listed above are in priority order with the highest priority listed first.) Alarms remain active until the alarm condition is cleared. Also, an alarm clear message is only sent when there are no other alarms active.
Monitoring and Testing Table 4-4. Enterprise-Specific Trap Definitions Trap Value Event enterpriseClockFail(1) The currently configured primary clock source has failed. enterpriseSelfTestFail(2) A DSU/CSU hardware failure is detected at self-test. This trap is generated after DSU/CSU initialization. enterpriseDeviceFail(3) An internal DSU/CSU failure is detected by the operating software. enterpriseTestStart(5) A test is initiated. enterpriseConfigChange(6) A configuration option is changed.
Monitoring and Testing Troubleshooting The DSU/CSU is designed to provide you with trouble-free service. However, Table 4-6 gives you some direction if a problem occurs. For problems other than those listed in the table, please contact your service representative. Table 4-6. Troubleshooting (1 of 2) Symptom Possible Cause Solutions No power 1. The power module is not securely attached. 1. Check the power module attachment. 2. The wall receptacle has no power. 2.
Monitoring and Testing Table 4-6. Troubleshooting (2 of 2) Symptom Possible Cause Solutions Message OOF at DTE appears 1. Incompatible framing format between the Drop/Insert port on the customer premises equipment and the DSU/CSU. 1. Check that the framing format for the DTE Drop/Insert (DSX-1) interface is correct. 2. DTE Drop/Insert (DSX-1) 2. Check that the DTE Drop/Insert (DSX-1) cabling problem. cable is securely attached at both ends.
Monitoring and Testing Test Jacks Six test jacks (Figure 4-1) are located on the front panel. The DSU/CSU test jack functions are shown in Figure 4-2 and described in Table 4-7. The Selectable Test Jack branch of the asynchronous terminal menu tree (see Appendix A) allows you to select either Equipment (EQPT) or Network (NET) functionality for the Monitor test jack. Procedure To select either Equipment or Network for the Monitor test jack: 1. From the Main Menu screen, select Control. 2.
Monitoring and Testing Table 4-7. Test Jack Functions Test Jack Name Function NET In (Network In) A break-in test jack that allows a signal to be inserted toward the network by external test equipment. NET Out (Network Out) A break-in test jack that interrupts the signal coming from the network and allows it to be terminated by the external test equipment. EQPT In (Equipment In) A break-in test jack that allows a signal to be inserted toward the terminal equipment (DTE) by external test equipment.
Monitoring and Testing Remote Loopback Tests The Remote Loopback tests enable you to troubleshoot your circuit by sending the following to a far-end device: For Networks H Line loopback up activation sequence for 10 seconds (Line Loopback Up) H Line loopback down activation sequence for 10 seconds (Line Loopback Down) For Channels H V.54 activation sequence to initiate a V.54 Loop 2 (V.54 Loopback Up) H V.54 deactivation sequence to terminate a V.54 Loop 2 (V.54 Loopback Down) H ANSI T1.
Monitoring and Testing Sending a V.54 or ANSI FT1 Activation/Deactivation Sequence " Procedure To send a V.54 or ANSI FT1 activation or deactivation loopback sequence to the far-end DSU/CSU: 1. From the Main Menu screen, select Test. 2. From the Test screen, select Sync Data Port Tests. 3. In the Port field (near the top of the screen), enter either 1 or 2 depending on the synchronous data port that you want to test. 4. In the Send V.
Monitoring and Testing Table 4-8.
Monitoring and Testing Starting a Payload Loopback The Payload Loopback command (PLB) loops the received signal on the network interface back to the network. The signal is looped back as close to the DTE Drop/Insert (DSX-1) port as possible (after it has passed through the framing circuitry of the DSU/CSU). Framing CRCs and BPVs are corrected. DSU CSU PLB NETWORK INTERFACE DTE ALL (DSX-1) 1s ALL 1s ALL 1s PORT 2 PORT 1 496-14316-02 Procedure To perform a Payload loopback: 1.
Monitoring and Testing Starting a Repeater Loopback The Repeater Loopback command (RLB) loops the signal being sent to the network back to the DTE Drop/Insert (DSX-1) and data ports. The signal is looped back as close to the network interface as possible (after it has passed through the framing circuitry of the DSU/CSU). Framing CRCs and BPVs are corrected. DSU CSU DTE (DSX-1) RLB PORT 1 PORT 2 NETWORK INTERFACE ALL 1s 496-14318-02 Procedure To perform a Repeater loopback: 1.
Monitoring and Testing Starting a Data Channel Loopback The Data Channel Loopback command (DCLB) loops the data received from the network interface, for all DS0 channels allocated to the selected port, back to the network. The loopback occurs after the data passes through the port circuitry but before it is sent out the data port. DSU CSU NETWORK INTERFACE DTE (DSX-1) DCLB DCLB ALL 1s ALL 1s PORT 2 PORT 1 496-14315-02 Procedure To perform a Data Channel loopback: 1.
Monitoring and Testing Starting a Data Terminal Loopback The Data Terminal Loopback command (DTLB) loops the data received from the selected port, for all DS0 channels allocated to the port, back out of the port. This loopback occurs after the data passes through the port circuitry but before it reaches the T1 framer. DSU CSU ALL 1s DTE (DSX-1) DTLB DTLB PORT 2 PORT 1 NETWORK INTERFACE 496-14314-02 Procedure To perform a Data Terminal loopback: 1. From the Main Menu screen, select Test. 2.
Monitoring and Testing Test Patterns Use test pattern commands to send, monitor, and abort test patterns. Available test patterns are: H QRSS – A quasi-random signal source approximating live data that can be monitored for logic errors (on the network and the data ports). H 1-in-8 – A test pattern consisting of a one (1) followed by seven zeros (on the network only). H 511 – A pseudo-random bit sequence (PRBS) that is 511 bits long (on the data ports only). This is a PRBS 29–1 test.
Monitoring and Testing Sending Port QRSS or Port 511 Test Patterns Procedure To send a Port QRSS or Port 511 test pattern: 1. From the Main Menu screen, select Test. 2. From the Test screen, select Sync Data Port Tests. 3. In the Port field (near the top of the screen), enter either 1 or 2 depending on the synchronous data port that you want to test. 4. In the Send field (under Pattern Tests), enter either QRSS or 511 depending on the type of test pattern that you want to send. 5.
Monitoring and Testing Aborting Test Patterns Use the Abort Tests command to stop all test patterns or any selected test pattern active on the DSU/CSU. Procedure To abort test patterns: 1. From the Main Menu screen, select Test. 2. From the Test screen, select Abort Tests. Lamp Test Use the Lamp Test command to start or stop a test of the DSU/CSU front panel LEDs. Starting a Lamp Test Procedure To start a Lamp test: 1. From the Main Menu screen, select Test. 2.
Monitoring and Testing Displaying DSU/CSU Test Status Use the System and Test Status screen to display the active tests for the DSU/CSU. Table 4-10 lists these messages. Procedure To display test status: 1. From the Main Menu screen, select Status. 2. From the Status screen, select System and Test Status. Table 4-10. Test Status Messages 3162-A2-GB20-30 Message Description No Test Active No tests are currently active. LLB Test Active The network interface is in Line loopback.
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Asynchronous Terminal Menu A Main Status Test Cross Connect Display Status LEDs Performance System and Statistics Test Status DTE Channel Display Network Channel Display Configuration Call Select Reset Administer Directories Password Monitor Jack Device Select Call Customer ID Start LEDs Setup Download Identity Device Network & Tests DTE Tests Sync Data Abort Port Tests Tests Port Assignment Display Configuration Edit/Display Sync Data Port Network Clear Statistics Network Control DTE Sync Da
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Technical Specifications B Overview The technical specifications for the standalone DSU/CSUs are listed in Table B-1. Table B-1. Model 3162 DSU/CSU Technical Specifications (1 of 2) Criteria Specifications POWER REQUIREMENTS AC Power Module Refer to the labeling on the ac power module for input requirements POWER CONSUMPTION AND DISSIPATION 16.0 watts, 55.
Technical Specifications Table B-1. Model 3162 DSU/CSU Technical Specifications (2 of 2) Specifications Criteria PORT INTERFACE Standards Rates EIA 530A, V.35, RS-449, X.21 Nx64 – 64K-1.536 Mb Nx56 – 56K-1.344 Mb APPROVALS Refer to the product labeling CLOCKING SOURCES T1 network interface, Port 1, internal clock, DTE Drop/Insert (DSX-1) interface or external clock PHYSICAL DIMENSIONS Height Width Depth 2.13 inches (5.4 cm) 7.63 inches (19.4 cm) 12.13 inches (30.8 cm) WEIGHT 2.4 pounds (1.
Configuration Options C Overview The DSU/CSU configuration option tables contain a list of all configuration options and their available selections. In the tables, the top line of each configuration option entry indicates the factory default setting.
Configuration Options Network Interface Configuration Options Table C-1. Network Interface Configuration Options (1 of 3) Line Framing Format: D4 ESF ESF (Factory 1) D4 (Factory 2) The framing format to be used on the network interface. D4 – Configures for the D4 framing format. ESF – Configures for the Extended Superframe format. Line Coding Format: AMI B8ZS B8ZS (Factory 1) AMI (Factory 2) The line coding format to be used on the network interface.
Configuration Options Table C-1. Network Interface Configuration Options (2 of 3) Management Link: Enable Disable Disable Specifies whether Facility Data Link (FDL) is enabled. Selecting Enable allows SNMP or Telnet traffic to flow over the 4 kbps data link provided by FDL. Running SNMP or Telnet over FDL requires an end-to-end FDL connection and cannot be terminated within the network. Enable – Enables the FDL management link for SNMP or Telnet. Disable – Disables the FDL management link.
Configuration Options Table C-1. Network Interface Configuration Options (3 of 3) Circuit Identifier: Text Field Text Field Clear Specifies the transmission vendor’s circuit identifier for the purpose of facilitating troubleshooting. The network circuit identifier is an ASCII text string that may be up to 255 characters in length. Text Field – Allows you to edit or display the network circuit identifier. Clear – Allows you to clear the network circuit identifier.
Configuration Options Table C-2. DTE Interface Configuration Options (2 of 2) DTE LB on External Contact: Next Enable Disable Disable Allows the control of a DTE Loopback (DLB) by an external contact on the DTE Drop/Insert (DSX-1) interface. Enable – Allows the DSU/CSU to begin a DLB when the external contact is closed. The DSU/CSU remains in DLB as long as the contact remains closed. Disable – Prevents the state of the external contact from affecting the operation of DLB.
Configuration Options Sync Data Port Configuration Options Table C-3. Sync Data Port Configuration Options (1 of 5) Port Type: E530 (Factory 1) E530 V.35 RS449 X.21 V.35 (Factory 2) Allows selection of the data port interface type. E530 – Configures the port as an EIA 530A compatible interface. EIA 530A DTEs can be directly connected to a port connector on the back of the DSU/CSU. V.35 – Configures the port as a V.35 compatible interface. V.
Configuration Options Table C-3. Sync Data Port Configuration Options (2 of 5) Embedded Data Link: Enable Disable Disable Specifies whether Embedded Data Link (EDL) is enabled for a particular port. If EDL is enabled, then 8 kbps of the total bandwidth allocated for this port is not available to the synchronous data port. For example, if the port rate is 256 kbps (4 DS0 channels allocated) and EDL is enabled, then only 248 kbps is available to the port.
Configuration Options Table C-3. Sync Data Port Configuration Options (3 of 5) Send All Ones on Data Port Not Ready: Disable DTR RTS Both Both Specifies the conditions on the data port that determine when valid data is not being sent from the DTE. When this condition is detected, all ones are sent to the network on the DS0 channels allocated to the port. Disable – Disables the monitoring of interchange circuits from the DTE connected to this port.
Configuration Options Table C-3. Sync Data Port Configuration Options (4 of 5) Port (DTE) Initiated Loopbacks: Disable (Factory 1) Disable DTLB DCLB Both Both (Factory 2) Allows the initiation and termination of a local Data Terminal Loopback (DTLB) or remote Data Channel Loopback (DCLB) by the DTE connected to this port. (DTLB is equivalent to a V.54 loop 3, and DCLB is equivalent to a V.54 loop 2.) Control of these loopbacks is through the DTE interchange circuits as specified by the V.54 standard.
Configuration Options Table C-3. Sync Data Port Configuration Options (5 of 5) Excessive Error Rate Threshold: 10E-4 10E-4 10E-5 10E-6 10E-7 10E-8 10E-9 Sets the error rate threshold that determines when an Excessive Error Rate (EER) condition is declared for a particular port. The error rate selected by this configuration option is determined by the ratio of the number of CRC5 errors to the total number of bits received over a set period of time. 10E-4 – 10E-4 Threshold.
Configuration Options Cross Connect Configuration Options The Cross Connect configuration options are divided into two tables as follows: DTE-to-Network Assignment Options (Table C-4) Sync Data Port Assignment Options (Table C-5) DTE-to-Network Assignment Options Table C-4.
Configuration Options Sync Data Port Assignment Options Table C-5. Sync Data Port Assignment Options (1 of 3) Sync Data Port Assignments Assign To: Network Network DTE Port Allows you to assign a synchronous data port to DS0 channels on either the network interface, the DTE Drop/Insert (DSX-1) interface, or another port. Network – Assigns this port to DS0 channels on the network interface. DTE – Assigns this port to DS0 channels on the DTE Drop/Insert (DSX-1) interface.
Configuration Options Table C-5. Sync Data Port Assignment Options (2 of 3) Sync Data Port Assignments Port Data Rate: 384 64 128 192 256 320 384 448 512 576 640 704 768 896 960 1024 1088 1152 1216 1280 1344 1408 1472 1536 832 OR 56 112 168 784 840 896 224 952 280 336 392 448 504 560 616 672 728 1008 1064 1120 1176 1232 1288 1344 Prev Designates the data rate for the port. Available selections depend on the current base rate configured for the port.
Configuration Options Table C-5. Sync Data Port Assignment Options (3 of 3) Sync Data Port Assignments N01 N02 N03 N04 N05 N06 N07 N08 Pn Pn Pn Pn Pn Pn Pn Pn Pn N24 OR D01 D02 D03 D04 D05 D06 D07 D08 Pn Pn Pn Pn Pn Pn Pn Pn Pn D24 Designates the DS0 channel to allocate to this port, N01–N24 for the network interface and D01–D24 for the DTE Drop/Insert (DSX-1) interface. Line 1 displays the 24 channels for the network interface or the DTE Drop/Insert (DSX-1) interface.
Configuration Options General Configuration Options Table C-6. General Configuration Options (1 of 2) Generate Yellow Alarm Signals: Enable Disable Enable Determines whether the DSU/CSU generates Yellow Alarm signals on the network and DTE Drop/Insert (DSX-1) interfaces. NOTE: This configuration option is not available if the DTE Drop/Insert (DSX-1) Interface is disabled. If the DTE Drop/Insert (DSX-1) interface is disabled, the DSU/CSU always generates the Yellow Alarm signal on the network interface.
Configuration Options Table C-6. General Configuration Options (2 of 2) Primary Clock Source: Network Network DTE Internal External Port 1 Specifies the master clock source for the DSU/CSU. This selection synchronizes all internal timing and external interface clocks. The clock rate(s) for the external timing interfaces are independent of the input rate for the master clock. Failure of the clock specified by the clock source selection results in automatic fallback to internal clock.
Configuration Options User Interface Configuration Options The User Interface configuration options are divided into four tables as follows: Communication Port Configuration Options (Table C-7) External Device Configuration Options (Table C-8) Telnet Sessions Configuration Options (Table C-9) Auxiliary Port Configuration Options (Table C-10) Communication Port Configuration Options Table C-7.
Configuration Options Table C-7. Communication Port Configuration Options (2 of 3) Data Rate: 9.6 1.2 2.4 4.8 9.6 14.4 19.2 38.4 Configures the bit rate for the communication port. 1.2 – Sets the bit rate to 1200 bps (for asynchronous operation only). 2.4 – Sets the bit rate to 2400 bps. 4.8 – Sets the bit rate to 4800 bps. 9.6 – Sets the bit rate to 9600 bps. 14.4 – Sets the bit rate to 14,400 bps. 19.2 – Sets the bit rate to 19,200 bps. 38.4 – Sets the bit rate to 38,400 bps.
Configuration Options Table C-7. Communication Port Configuration Options (3 of 3) Inactivity Timeout: Enable Disable Disable Specifies whether the communication port disconnects after a period of inactivity specified by the Disconnect Time configuration option. Enable – The communication port disconnects after the period of inactivity specified by the Disconnect Time configuration option. Disable – The communication port does not disconnect due to inactivity.
Configuration Options Table C-8. External Device Configuration Options (2 of 3) Connect Prefix: Text Field Text Field Clear Specifies the connect prefix to the dial directory phone number. When you make a connection or the DSU/CSU automatically makes a connection (dial-out alarms or traps) through the communication port, the connect prefix and the dial directory phone number are used to establish the connection. The connect prefix is an ASCII text string and may be up to 20 characters in length.
Configuration Options Table C-8. External Device Configuration Options (3 of 3) Escape Sequence Delay (sec): None None 0.2 0.4 0.6 0.8 1.0 Specifies the delay used while sending the communication port escape sequence. Use the communication port escape delay to specify the delay before sending the first character of the escape sequence and the delay after the last character of the escape sequence. During the delay, no data is sent out the communication port.
Configuration Options Telnet Sessions Configuration Options Table C-9. Telnet Sessions Configuration Options Telnet Session: Disable Enable Disable Specifies whether the DSU/CSU responds as a server to Telnet session requests. Enable – The DSU/CSU responds to Telnet session requests. Disable – The DSU/CSU does not respond to Telnet session requests. Password Required: Enable Disable Disable Specifies whether a password is required for Telnet access. Enable – A password is required for Telnet access.
Configuration Options Auxiliary Port Configuration Options Table C-10. Auxiliary Port Configuration Options Port Use: None None Mgmt Daisy Specifies how the auxiliary port is used. The auxiliary port only supports Point-to-Point Protocol (PPP) with the following parameters: type is asynchronous, character length is 8, parity is none, and stop bit is 1. None – Specifies that the auxiliary port is not to be used.
Configuration Options Alarm and Trap Configuration Options Table C-11. Alarm and Trap Configuration Options (1 of 2) ASCII Alarm Messages: Disable Com Port Disable Controls the generation of alarm messages, which are routed to an ASCII terminal or printer attached to the communication port and/or the modem port. Disable – Prevents an alarm message for any alarm conditions. Com Port – Enables alarm messages routed to the communication port.
Configuration Options Table C-11. Alarm and Trap Configuration Options (2 of 2) Call Retry: Disable Enable Disable Determines whether a call that cannot complete (busy, no answer, etc.) is retried. This affects calls that are initiated in attempting to send an alarm or trap message to the external communication port device. If call retry is specified, the DSU/CSU attempts to complete the call after a configurable delay. Enable – Enables call retry.
Configuration Options Management and Communication Configuration Options The Management configuration options are divided into four tables as follows: Communication Protocol Configuration Options (Table C-12) General SNMP Management Configuration Options (Table C-13) SNMP NMS Security Configuration Options (Table C-14) SNMP Traps Configuration Options (Table C-15) Communication Protocol Configuration Options Table C-12.
Configuration Options Table C-12. Communication Protocol Configuration Options (2 of 3) Default Net Destination: None None Com Aux FDL EDL1 EDL2 Specifies where the default network is connected. For example, if the default network is connected to the communication port, you select Com. If the default network is connected to the far-end 31xx Series device over the FDL, you select FDL. The routing protocol uses the default network destination to route data that does not have a specific route.
Configuration Options Table C-12. Communication Protocol Configuration Options (3 of 3) Auxiliary Port IP Address: Text Field Clear Text Field Specifies the IP address for the auxiliary port if the Port Use configuration option is set to Mgmt or Daisy. The auxiliary port only supports the PPP link protocol. Text Field – Allows you to edit or display the IP address for the auxiliary port. Clear – Allows you to clear the IP address for the auxiliary port. The IP address is set to 000.000.000.000.
Configuration Options General SNMP Management Configuration Options Table C-13. General SNMP Management Configuration Options SNMP Management: Enable Disable Disable Specifies whether the DSU/CSU responds to SNMP session requests. Enable – The DSU/CSU responds to SNMP session requests. Disable – The DSU/CSU does not respond to SNMP session requests.
Configuration Options SNMP NMS Security Configuration Options Table C-14. SNMP NMS Security Configuration Options NMS IP Validation: Enable Disable Disable Specifies whether the DSU/CSU validates (for security reasons) the IP address of an SNMP manager attempting to access the DSU/CSU. Allowable addresses are specified using the NMS n IP Adr configuration option. Enable – The DSU/CSU validates the IP address of SNMP managers attempting to access the DSU/CSU.
Configuration Options SNMP Traps Configuration Options Table C-15. SNMP Traps Configuration Options (1 of 3) SNMP Traps: Disable Enable Disable Specifies whether SNMP trap messages are sent over the SNMP management link. Enable – Enables sending SNMP trap messages from this unit over any SNMP management link. Disable – Disables sending SNMP trap messages from this unit over any SNMP management link.
Configuration Options Table C-15. SNMP Traps Configuration Options (2 of 3) General Traps: Both Disable Warm AuthFail Both Specifies the general trap types to enable. Disable – Disables the sending of trap messages for warmStart and authenticationFailure events. Warm – Sends trap messages for warmStart events to the currently configured trap manager(s). AuthFail – Sends trap messages for authenticationFailure events to the currently configured trap manager(s).
Configuration Options Table C-15. SNMP Traps Configuration Options (3 of 3) Link Trap Interfaces: All Network DTE T1s Ports All Specifies which interfaces generate linkUp and linkDown trap messages. These traps are supported on the T1 interfaces (network and DTE Drop/Insert) and the synchronous data ports. Network – Sends trap messages for linkUp and linkDown events occurring on the network interface.
Configuration Options Configuration Worksheets This section contains one set of blank worksheets to be used when configuring your DSU/CSU using the async terminal interface. In the tables, default settings for Factory 1 are indicated by bold type. It is recommended that you copy these blank worksheets before using them. C-34 Network Interface Options Value (Default in Bold) Line Framing Format D4, ESF Line Coding Format AMI, B8ZS Bit Stuffing 62411, Part68, Disable Line Build Out (LBO) 0.0, –7.
Configuration Options 3162-A2-GB20-30 Sync Data Port Options (Port 1) Value (Default in Bold) Port Type E530, V.35, RS449, X.21 Port Base Rate Nx64, Nx56 Transmit Clock Source Internal, External Invert Transmit Clock Enable, Disable Invert Transmit and Received Data Enable, Disable Send All Ones on Data Port Not Ready Disable, DTR, RTS, Both Action on Network Yellow Alarm None, Halt Network Init. Data Channel Loopback Disable, V.
Configuration Options C-36 Sync Data Port Options (Port 2) Value (Default in Bold) Port Type E530, V.35, RS449, X.21 Port Base Rate Nx64, Nx56 Transmit Clock Source Internal, External Invert Transmit Clock Enable, Disable Invert Transmit and Received Data Enable, Disable Send All Ones on Data Port Not Ready Disable, DTR, RTS, Both Action on Network Yellow Alarm None, Halt Network Init. Data Channel Loopback Disable, V.
Configuration Options Network Interface Network Channel Allocation N1 N2 N3 N4 N5 N6 N7 N8 N9 N10 N11 N12 N13 N14 N15 N16 N17 N18 N19 N20 N21 N22 N23 N24 Allocations N1 – N24 indicates allocation to DTE (Drop/Insert) channels.
Configuration Options DTE Drop/Insert (DSX-1) Interface DTE (DSX-1) Channel Allocation D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 D16 D17 D18 D19 D20 D21 D22 D23 D24 Allocations D1 – D24 indicates allocation to network channels.
Configuration Options DTE Signaling Assign: (N1 – 24) Voice RBS or Data) D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 D16 D17 D18 D19 D20 D21 D22 D23 D24 3162-A2-GB20-30 March 1999 C-39
Configuration Options Sync Data Port Channel Options Value (Default in Bold) Assign To Network, DTE, Port 2 Assign By Block, ACAMI, Channel Port Rate Nx56: 56, 112, 168, 224, 280, 336, 392, 448, 504, 560, 616, 672, 728, 784, 840, 896, 952, 1008, 1064, 1120, 1176, 1232, 1288, 1344 If Assign By Block Start At Time Slot (Nx or Dx ): 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 (Select One) Port Rate Nx64: 64, 128, 192, 256, 320, 384, 448, 512, 576, 640, 704,
Configuration Options General Options Value (Default in Bold) Generate Yellow Alarm Signals Enable, Disable Initial Self Test Enable, Disable Primary Clock Source Network, DTE, Internal, External, Port 1 External Clock Rate (KHz) 2048, 1544, 8 Test Timeout Enable, Disable Test Duration 1 –120 (Default = 10) User Interface: Communication Port Options Value (Default in Bold) Port Use Mgmt, ASCII, Daisy, Terminal Port Type Asynchronous, Synchronous Clock Source Internal, External Data Ra
Configuration Options C-42 User Interface: Telnet Sessions Options Value (Default in Bold) Telnet Session Enable, Disable Password Required Enable, Disable Inactivity Timeout Enable, Disable Disconnect Time 1 –60 (Default = 5) User Interface: Auxiliary Port Options Value (Default in Bold) Port Use None, Mgmt, Daisy Data Rate (Kbps) 9.6, 14.4, 19.2, 38.
Configuration Options 3162-A2-GB20-30 Management and Communication: Communication Protocol Options Value (Default in Bold) Node IP Address Text Field, Clear Node Subnet Mask Text Field, Clear Default Network Destination None, Com, Aux, FDL, EDL1, EDL2 Communication Port IP Address Text Field, Clear Communication Port Subnet Mask Text Field, Clear Com Link Protocol PPP, SLIP Auxiliary Port IP Address Text Field, Clear Auxiliary Port Subnet Mask Text Field, Clear Management and Communicati
Configuration Options C-44 Management and Communication: SNMP Traps Options Value (Default in Bold) SNMP Traps Enable, Disable Number of Trap Managers 1, 2, 3, 4, 5, 6 NMS n IP Address Text Field, Clear Destination None, Com, Aux, FDL, EDL1, EDL2 General Traps Disable, Warm, AuthFail, Both Enterprise Specific Traps Enable, Disable Link Traps Disable, Up, Down, Both Link Trap Interfaces Network, DTE, T1s, Ports, All March 1999 3162-A2-GB20-30
Pin Assignments D Overview The DSU/CSU is shipped with a power module. Various other interconnecting cables are available. For cable feature numbers, refer to Appendix G, Equipment List. This appendix describes connector pin assignments and cables. T1 Network Interface The T1 network interface connector is an RJ48C, 8-position, unkeyed modular jack (Table D-1).
Pin Assignments Figure D-1. T1 Line Interface Cable, RJ48C-to-RJ48C Figure D-2.
Pin Assignments DTE Drop/Insert Interface The DTE Drop/Insert (DSX-1) interface connector is a DB15-type socket connector (Table D-2). For information about using Relay Contact Sense for external DTE loopback, refer to the DTE LB on Contact configuration option in DTE Interface Configuration Options of Appendix C. The DTE Drop/Insert (DSX-1) cable (Figure D-3) is typically supplied by a DTE vendor. It is made of shielded twisted-pair wires (22 AWG). The cable connector is a DB15-type plug connector.
Pin Assignments AUX Port Interface The Auxiliary (AUX) port connects to the LAN Adapter for SNMP or Telnet applications, or to another DSU/CSU’s COM port for daisy chain connectivity. (The SNMP LAN Adapter includes the cable that is needed to attach it to the DSU/CSU.) The AUX port connector is an 8-pin modular connector (Table D-3).
Pin Assignments COM Port Interface The COM port connects to a PC for front panel emulation, to an ASCII terminal or printer for alarms, to an async terminal, to a network device (e.g., a router) for SNMP or Telnet applications, to the LAN Adapter for SNMP or Telnet applications, or to another DSU/CSU’s AUX port for daisy chain connectivity. (The SNMP LAN Adapter includes the cable that is needed to attach it to the DSU/CSU.) The COM port connector is an 8-position keyed modular connector (Table D-4).
Pin Assignments Figure D-4. COM Port-to-PC Cable Figure D-5.
Pin Assignments EIA-530-A Port Interface Connector The EIA-530-A Port interface connector information is shown in Table D-5. Table D-5.
Pin Assignments EIA-530-A-to-RS449 Adapter The EIA-530-A-to-RS449 adapter (Figure D-6) provides the RS449 interface shown in Table D-6. DB37 SOCKET 530 DB25 SIGNAL PLUG 449 SIGNAL SHIELD 1 1 SHIELD TD-A TD-B 2 14 4 22 TD-A TD-B RD-A RD-B 3 16 6 24 RD-A RD-B TXC-A TXC-B RXC-A RXC-B RTS-A 15 12 17 9 4 5 23 8 26 7 TXC-A TXC-B RXC-A RXC-B RTS-A RTS-B CTS-A 19 5 25 9 RTS-B CTS-A CTS-B DTR RLSD-A RLSD-B DSR 13 20 8 10 6 27 12 13 31 11 CTS-B DTR-A RR-A RR-B DM-A SIG.
Pin Assignments Table D-6.
Pin Assignments EIA-530-A-to-V.35 Adapter The EIA-530-A-to-V.35 adapter (Figure D-7) provides the V.35 interface shown in Table D-7. 530 DB25 SIGNAL PLUG MS34 SOCKET V.35 SIGNAL SHIELD TD-A 1 2 A P TD-B RD-A RD-B TXC-A TXC-B 14 3 16 15 12 S R T Y AA TD-B RD-A RD-B TXC-A TXC-B RXC-A RXC-B RTS 17 9 4 V X C RXC-A RXC-B RTS CTS RLSD DSR SIG. COMMON 5 8 6 7 D F E B CTS RLSD DSR SIG. COMMON TT-A TT-B DTR RL LL 24 11 20 21 18 U W H N L TT-A TT-B DTR RL LL TM 25 23 NN TM SIG.
Pin Assignments Table D-7. V.
Pin Assignments EIA-530-A-to-X.21 Adapter The EIA-530-A-to-X.21 adapter (Figure D-8) provides the X.21 interface shown in Table D-8. 530 DB25 SIGNAL PLUG X.21 SIGNAL DB15 SOCKET TD-A TD-B RD-A 2 14 3 2 9 4 TD-A TD-B RD-A RD-B RXC-A RXC-B 16 17 9 11 6 13 RD-B RXC-A RXC-B RTS-A RTS-B RLSD-A RLSD-B 4 19 8 10 3 10 5 12 RTS-A RTS-B RLSD-A RLSD-B SIG. COMMON TT-A TT-B 7 24 11 8 7 14 SIG. COMMON TT-A TT-B 495-14787 Figure D-8. EIA-530-A-to-X.21 Adapter Table D-8. X.
Pin Assignments Serial Crossover Cable Use a serial crossover cable like the one shown in Figure D-9 (with an adapter like that shown in Figure D-5) to connect an external modem to the DSU/CSU’s COM port.
Pin Assignments External Clock Interface The External Clock connector pinouts are in Table D-9. Table D-9.
SNMP MIB Objects E Overview This appendix describes the Management Information Base (MIB) objects that are supported by the DSU/CSU. The DSU/CSU supports the following MIBs: MIB II – Defines the general objects for use in Transmission Control Protocol/Internet Protocol (TCP/IP) internets and provides general information about the DSU/CSU. DS1/E1 MIB – Defines objects for managing DS1 interfaces and supports the network and DTE Drop/Insert (DSX-1) interfaces on the DSU/CSU.
SNMP MIB Objects Address Translation Group Not supported since this group is not supported in MIB II. IP Group Supported. ICMP Group Supported. TCP Group Supported. UDP Group Supported. EGP Group Not supported since the EGP protocol is not supported by the DSU/CSU. Transmissio n Group Supported on the T1 interfaces using the DS1/E1 MIB. Supported on the synchronous data ports using the RS-232-like MIB. Supported on the COM and AUX ports using the RS-232-like MIB. SNMP Group Supported.
SNMP MIB Objects System Group – “sysName” Object (system 5) This object provides an administratively-assigned name for this managed node. System Group – “sysLocation” Object (system 6) This object provides the physical location of this node. System Group – “sysServices” Object (system 7) This object provides a value which indicates the set of services that are potentially offered by the DSU/CSU. Only the following values are supported. physical(1) – Layer 1 functionality for all interfaces.
SNMP MIB Objects Interface Group – “ifIndex” Object (ifEntry 1) This object provides the index into the ifTable and typically into tables in other MIBs also. The values of the ifIndex object do not vary between models even though not all indexes are supported for a particular model. When an unsupported index is accessed, “noSuchName” is returned.
SNMP MIB Objects Interface Group – “ifType” Object (ifEntry 3) This object identifies the type of the interface based on the physical/link protocol(s) immediately below the network layer. Only the following values are supported by the DSU/CSU: ds1 – Used for the network and DTE Drop/Insert (DSX-1) interfaces. propPointToPointSerial(22) – Used for the synchronous data ports. Used for the COM port when the port is not configured as the SNMP management interface.
SNMP MIB Objects Interface Group – “ifOperStatus” Object (ifEntry 8) This object specifies the current operational state of the interface. The value of this object for each interface is defined as follows: Network T1: The interface is up(1) when no alarm conditions exist. The interface is down(2) when an alarm condition is active. The interface is testing(3) when a test is active on the interface. DTE T1: The interface is up(1) when no alarm conditions exist and the interface is enabled.
SNMP MIB Objects Interface Group – Input Counters (objects ifEntry 10 to ifEntry 15) These objects collect statistics on the data received by the COM port and the AUX port when these ports are configured as SNMP management links. For interfaces that are not configured as an SNMP management link, these statistics are not provided and an error status is returned if access is attempted.
SNMP MIB Objects IP Group – “ipForwarding” Object (ip 1) This object specifies whether the unit is acting as an IP gateway in respect to the forwarding of a datagram received by, but not addressed to, this unit. Only the following value is supported by the DSU/CSU. forwarding(1) – The unit is acting as a gateway. IP Group – “ipAddrTable” Object (ip 20) The address table is supported by the DSU/CSU.
SNMP MIB Objects The following objects are defaulted if not specified in the set PDU used to add a route. ipRouteMetric1 – Defaulted to 1 hop. ipRouteMetric2 – Defaulted to –1 for standalone devices. ipRouteType – Defaulted to indirect. ipRouteMask – Defaulted as specified in the MIB description. The following objects are unused in the DSU/CSU and setting them will have no effect on the operation of the IP implementation.
SNMP MIB Objects IP Group – “ipRouteMetric2” Object (ipRouteEntry 4) For standalone devices, ipRouteMetric2 is not used and contains –1. When adding a route to the routing table using SNMP, do not specify a value for ipRouteMetric2. IP Group – “ipRouteProto” Object (ipRouteEntry 9) This object is a read-only object and may have the following values in the DSU/CSU. other(1) – Temporary route added by IP. local(2) – Route added or modified as a result of user configuration via the front panel.
SNMP MIB Objects Transmission Group, MIB II Objects in the transmission group are supported on the network and DTE Drop/Insert (DSX-1) interfaces, the COM port, the AUX port, and the synchronous data ports. The objects in the transmission group are not defined within MIB II, but rather through other Internet standard MIB definitions. The following two transmission group objects are supported by the DSU/CSU. ds1 (transmission 18) – The transmission object supported on the T1 interfaces.
SNMP MIB Objects Near End Group, DS1/E1 MIB The DS1 Near End Group consists of the following four tables: DS1 Configuration DS1 Current DS1 Interval DS1 Total All four tables are fully supported for the network interface. Since statistics are not kept for the DTE Drop/Insert (DSX-1) interface, only the DS1 Configuration table is fully supported.
SNMP MIB Objects Near End Group – “dsx1SendCode” Object (dsx1ConfigEntry 7) This object specifies the test patterns/codes being sent over the network interface. These tests are not supported on the DTE Drop/Insert (DSX-1) interface. Only the following values are supported by the DSU/CSU. dsx1SendNoCode(1) – Specifies that the interface is sending normal or looped data. Setting the interface to this value stops an active “send pattern” test on the interface.
SNMP MIB Objects Near End Group – “dsx1LineStatus” Object (dsx1ConfigEntry 10) This object specifies the line (alarm) status of the T1 interfaces. Only the following values are supported by the DSU/CSU. More than one value may be active at a time. dsx1NoAlarm(1) – No alarm present. dsx1RcvFarEndLOF(2) – A yellow alarm signal is being received. dsx1RcvAIS(8) – An Alarm Indication Signal (AIS) is being received. dsx1LossOfFrame(32) – An Out Of Frame condition has persisted for more that 2.
SNMP MIB Objects Near End Group – “dsx1Fdl” Object (dsx1ConfigEntry 13) This object specifies how Facility Data Link is being used. Only the following values are supported by the DSU/CSU. More than one value may be active at a time. dsx1other(1) – SNMP data is being sent over FDL. dsx1Ansi-T1-403(2) – ANSI PRMs are supported on the network interface as specified by ANSI T1.403. dsx1Att-54016(4) – FDL supports the requirements specified by AT&T publication TR54016.
SNMP MIB Objects Near End Group – The DS1 Total Table Objects (dsx1TotalEntry) The following DS1 total table objects are provided for the network interface only. Objects in the table that are not listed are not supported and will return an error status if access is attempted. dsx1TotalIndex – The index that identifies the T1 interface. dsx1TotalESs – The 24-hour total Errored Seconds. dsx1Total SESs – The 24-hour total Severely Errored Seconds.
SNMP MIB Objects RS-232-like MIB (RFC 1317) The “rs232” object defined by RFC 1317 is supported for all of the synchronous data ports, the COM port, and the AUX port. The RS-232-like MIB consists of one object and five tables, as follows: Number of RS-232-like ports The General Port Table The Asynchronous Port Table The Synchronous Port Table The Input Signal Table The Output Signal Table The Asynchronous Port table is not supported by the DSU/CSU for the synchronous data ports.
SNMP MIB Objects General Port Table – “rs232PortType” Object (rs232PortEntry 2) This object is used to identify the port’s hardware type. Only the following values are supported by the DSU/CSU. rs232(2) – Used to identify the AUX and COM ports. rs422(3) – Used to identify synchronous data ports that are configured as EIA-530A or RS-449. V35(5) – Used to identify synchronous data ports that are configured as V.35.
SNMP MIB Objects Asynchronous Port Table, RS-232-like MIB The asynchronous port table contains an entry for the AUX or COM port when the port is configured for asynchronous operation. For the DSU/CSU, the entries in the table that are counters (rs232AsyncPortEntry 6 –8) are used to collect statistics and are not supported. Asynchronous Port Table, “rs232AsyncPortBits” (rs232AsyncPortEntry 2) This object specifies the number of bits in a character. Only the following values are supported by the DSU/CSU.
SNMP MIB Objects Synchronous Port Table, RS-232-like MIB The synchronous port table contains an entry for each of the synchronous data ports and the COM port when the port is configured for synchronous operation. For the DSU/CSU, the entries in the table that are counters (rs232SyncPortEntry 3–7) are used to collect statistics and are not supported. Synchronous Port Table – “rs232SyncPortClockSource” (rs232SyncPortEntry 2) This object specifies the clock source for the port.
SNMP MIB Objects Output Signal Table, RS-232-like MIB This object contains entries for the output signals that can be asserted by the unit for each of the synchronous data ports. Output Signal Table – “rs232OutSigName” (rs232OutSigEntry 2) This object contains the identification of a hardware output signal. Only the following values are supported by the DSU/CSU. cts(1) – Clear-To-Send. dsr(4) – Data Set Ready.
SNMP MIB Objects Generic Interface Test Table, Generic Interface MIB The test table provides access to additional tests (loopbacks and pattern tests) that are not in the interface group of MIB II. Generic Interface Test Table – “ifExtnsTestType” Object (ifExtnsTestEntry 4) This object is a control variable used to start and stop operator-initiated tests on the interface. It provides the capability to: Start/stop the Monitor QRSS test pattern on the network interface.
SNMP MIB Objects Where these object identifiers are defined as follows: testLoopDTLB – OBJECT IDENTIFIER ::= [wellKnownTests 2] testMonQRSS – OBJECT IDENTIFIER ::= [wellKnownTests 3] testMon511 – OBJECT IDENTIFIER ::= [wellKnownTests 4] testSendQRSS – OBJECT IDENTIFIER ::= [wellKnownTests 5] testSend511 – OBJECT IDENTIFIER ::= [wellKnownTests 6] testSendV54Up – OBJECT IDENTIFIER ::= [wellKnownTests 7] testSendV54Down – OBJECT IDENTIFIER ::= [wellKnownTests 8] testSendFT1Up –
SNMP MIB Objects Where these object identifiers are defined as follows: wellKnownCodes – OBJECT IDENTIFIER ::= [ifExtensions 5] none – OBJECT IDENTIFIER ::= [wellKnownCodes 1] inSyncNoBitErrors – OBJECT IDENTIFIER ::= [wellKnownCodes 2] inSyncWithBitErrors – OBJECT IDENTIFIER ::= [wellKnownCodes 3] notInSync – OBJECT IDENTIFIER ::= [wellKnownCodes 4] Enterprise MIB The variable devConfigAreaCopy under the devConfigAreaCopy group in the common area of the Enterprise MIB will be fully sup
IP Network Addressing Scenario F Overview This appendix describes a means of configuring 31xx Series devices in an Internet Protocol (IP) network to provide SNMP or Telnet connectivity. Since there are many possible network addressing schemes, this appendix describes an addressing scheme for a typical customer network management system (NMS) scenario. This appendix is not intended to be an IP addressing or routing tutorial, and a basic understanding of IP and 31xx Series devices is assumed.
IP Network Addressing Scenario Although the default route (to the NMS) is configurable for all devices, only devices that have a direct external connection to an NMS (via the COM or AUX ports) need a default route set. In the following examples, the default port (COM or AUX) is set in the device connected to the LAN Adapter. ETHERNET CO MS PH ER E 361 135.18.40.1 0 135.18.1.2 135.18.1.3 CO MS PH ER E 361 NETWORK 0 LAN ADAPTER CO MS PH ER E 361 SUBNET 135.18.40.
Equipment List G Equipment Feature Number Model 3162 DSU/CSU 3162-A1-210 T1 Line Interface Cable, RJ48C-to-RJ48C 3100-F1-500 T1 Line Interface Cable, RJ48C-to-DA15P (Canada) 3100-F1-510 COM Port-to-PC Cable, 8-pin modular to DB9S 3100-F1-550 COM Port-to-Terminal/Printer Cable, 8-pin modular to DB25P 3100-F1-540 115 Vac Power Module 3162-A2-GB20-30 EIA-530-A-to-RS449/422 Adapter 3100-F1-580 EIA-530-A-to-V.35 Adapter 3100-F1-570 EIA-530-A-to-X.
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Glossary 1in8 Test A test pattern consisting of a one (1) followed by seven zeros (on the network only). 3000 Series Carrier A rack-mounted device containing 17 slots in which to place circuit cards. ACCULINK A product family and a registered trademark of Paradyne. ACO Alarm Cut-off command. A command for carrier-mounted CSUs that forces a deactivation of the alarm relay on the 3000 Series Carrier. Activ Active configuration area.
Glossary bandwidth The range of frequencies that can be passed by a transmission medium, or the range of electrical frequencies a device is capable of handling. BES Bursty Error Seconds. A second in which more than one but less than 320 CRC6 error events have occurred. bipolar signal A signal in which successive ones (marks, pulses) are of alternating positive and negative polarity, and in which a zero (space, no pulse) is of zero amplitude. bit Binary digit.
Glossary CSU Channel Service Unit. A device that connects service user equipment such as a DSU to the local digital telephone loop, protects the line from damage, and regenerates the signal. Ctrl branch Control branch of the CSU menu tree. CTS Clear To Send. A signal indicating that the device is ready for the DTE to transmit data. Usually occurs in response to Request To Send (RTS). Cust1 Customer 1 configuration area. The first of two sets of customer-defined configuration options.
Glossary DSR Data Set Ready. A signal from the modem to the DTE that indicates the modem is turned ON and connected to the DTE. DSU Data Service Unit. Data communications equipment that provides timing, signal regeneration, and an interface to data terminal equipment. A subrate DSU/CSU is normally referred to as a DSU. DSX-1 Digital Signal Cross Connect level 1. An interconnection point for terminals, multiplexers and transmission facilities. DTE Data Terminal Equipment.
Glossary frame One identifiable group of bits that includes a sequence of bits for control, framing, etc. frame relay A high-speed connection-oriented packet switching WAN protocol using variable-length frames. framing A technique that separates bits into identifiable groups. Generic-Interface Extension MIB An extension to MIB II that defines additional objects for control of generic interfaces in MIB II. Get (SNMP) A command providing read-only access to SNMP MIB objects.
Glossary LLB Line LoopBack. A test in which the received signal on the network interface is looped back to the network without change. LOF Loss of Frame. Occurs when a DS1 terminal is unable to synchronize on the DS1 signal for some interval. LOFC Loss Of Frame Count. The number of LOFs declared. loopback test A test that verifies a device’s operation by connecting the device’s output to the device’s input. LOS Loss of Signal. The T1 line condition where there are no pulses.
Glossary Perf branch Performance Report Branch of the CSU menu tree. PLB Payload Loopback. Loopback mode that loops the information received on the T1 network interface back to the network after it has passed through receive and transmit framing section. port An access point for data entry or exit. POWER connector The power input connector on the CSU. power-on self-test A test that checks most hardware components when power is applied to the device or a reset is initiated.
Glossary RX Receive. To obtain transmitted signals. RXC Receive Clock. V.24 circuit 115. RXD Received Data. Pin 3 of the EIA-232 interface that is used by the DTE to receive data from the modem. Conversely, the modem uses Pin 3 to transmit data to the DTE. SDCP Shared Diagnostic Control Panel. A feature that allows carrier-mounted devices to share the same diagnostic control panel. self-test A test that checks most hardware components when power is applied to the device or a reset is initiated.
Glossary V.24 An ITU-T standard for a low-speed, 25-position, DCE/DTE interface. V.35 An ITU-T standard for a high-speed, 34-position, DCE/DTE interface. V.54 An ITU-T standard for local and remote diagnostic loopback tests. V.54 Loop 2 An ITU-T standard for a data channel loopback (DCLB). V.54 Loop 3 An ITU-T standard for a data terminal loopback (DTLB). Vac Volts alternating current. Vdc Volts direct current. VF Voice Frequency.
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Index A B abort lamp test, 4-24 loopback, 4-21 test patterns, 4-24 ac power module, 1-4, B-1 Active configuration area, 3-12 addressing. See IP (Internet Protocol) addressing agent, SNMP, 1-2 AIS (Alarm Indication Signal) condition ASCII terminal/printer message, 4-8 Device Health and Status message, 4-3 front panel LED indication, 3-2, 3-3 troubleshooting, 4-12 alarm messages. See messages, alarm allocation, DS0 channel.
Index configuration options procedure for changing, 3-12 tables Alarm, C-24 Cross Connect, C-11 DTE Interface, C-4 General, C-15 Management and Communication, C-26 Network Interface, C-2 Port, C-6 User Interface, C-17 worksheets, C-34 connectors, rear panel cabling examples, 2-5 functional description, 1-4 physical description, 1-3 pin assignments, D-1– D-14 CPU failure message, 4-2 crossover cable, D-13 CSS (Controlled Slip Seconds) report, 4-6 Customer 1 configuration area, 3-12 Customer 2 configuration
Index L M lamp test, 4-24 LAN Adapter, 1-2, 1-4, 2-3, 2-4, 3-17, F-1 LEDs, front panel during power-up self-test, 2-6 functional description, 3-1 lamp test, 4-24 physical description, 1-3 line coding, C-4 line equalization, C-4 line loopback (LLB), 4-17 link layer protocol, 3-16, 3-19 link trap, 4-9 LOF (Loss Of Frame) condition, 3-2, 3-3 LOFC (Loss Of Frame Count) report, 4-6 loopback front panel LED indication, 3-2 local, 4-16 abort, 4-21 data channel loopback (DCLB), 4-20 data terminal loopback (DTLB)
Index P pattern tests, 4-22 payload loopback (PLB), 4-18 PBX applications, 2-2 PDV (Pulse Density Violation) condition, 3-3 performance reporting, 4-4, C-9 physical description of DSU/CSU, 1-3, B-2 pin assignments, D-1– D-14 Point-to-Point Protocol (PPP) procedure for configuring, 3-19 used with SNMP system, 1-2, 2-3, 2-4, 3-17, F-1 PORT (1– 2) interface configuration options, C-6 failure message, 4-2 front panel LED indications, 3-4 functional description, 1-4, 2-1 managed by SNMP, E-1 physical descriptio
Index T U technical specifications, B-1 Telnet access configuration options examples of use, 3-16 option table, C-26 option worksheet, C-42 connection examples, 2-3 functional description, 1-2 terminal interface, 3-5 test commands, 4-14 front panel LED indications, 3-2 lamp test, 4-24 local loopback, 4-16 abort, 4-21 data channel loopback (DCLB), 4-20 data terminal loopback (DTLB), 4-21 DTE loopback (DLB), 4-18 line loopback (LLB), 4-17 payload loopback (PLB), 4-18 repeater loopback (RLB), 4-19 remote lo
