8620 Broadband Access Concentrator Installation Guide Document No.
Copyright © 2004 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.
Software and Firmware License Agreement ONCE YOU HAVE READ THIS LICENSE AGREEMENT AND AGREE TO ITS TERMS, YOU MAY USE THE SOFTWARE AND/OR FIRMWARE INCORPORATED INTO THE PARADYNE PRODUCT. BY USING THE PARADYNE PRODUCT YOU SHOW YOUR ACCEPTANCE OF THE TERMS OF THIS LICENSE AGREEMENT.
! Important Safety Instructions 1. Read and follow all warning notices and instructions marked on the product or included in the manual. 2. The AC product version 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.
12. In addition, if the equipment is to be used with telecommunications circuits, take the following precautions: — Never install telephone wiring during a lightning storm. — Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations. — Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface. — Use caution when installing or modifying telephone lines.
The Ringer Equivalence Number (REN) assigned to each terminal device provides an indication of the maximum number of terminals allowed to be connected to a telephone interface. The termination on an interface may consist of any combination of devices subject only to the requirement that the sum of the Ringer Equivalence Numbers of all the devices does not exceed 5.
Contents About This Guide 1 Document Purpose and Intended Audience . . . . . . . . . . . . . . . . . . . . iii Document Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii Product-Related Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv The 8620 Broadband Access Concentrator . . . . . . . . . . . . . . . . . . . . . 1-1 8620 BAC Management, Aggregation, and Line Cards. . . . . . . . . 1-2 8620 BAC Features . . . . . . . .
Contents 3 4 Cabling Making Cable Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 Installing Network Tip and Ring Connections . . . . . . . . . . . . . . . . . . . 3-2 Connecting a Line Card Using Cable Ties. . . . . . . . . . . . . . . . . . . 3-3 Connecting a Line Card Using Locking Pivot Brackets . . . . . . . . . 3-4 Connecting an SCP Card to a Terminal or PC . . . . . . . . . . . . . . . . . .
About This Guide Document Purpose and Intended Audience This guide is written for administrators and technicians who install devices at the central office (CO) or at a Network Service Provider (NSP) location adjacent to the CO. It should be used in conjunction with the appropriate management card and line card documentation.
About This Guide A master glossary of terms and acronyms used in Paradyne documents is available online at www.paradyne.com. Select Support → Technical Manuals → Technical Glossary. Product-Related Documents Complete documentation for this product is available online at www.paradyne.com. Select Support → Technical Manuals.
About This Guide Document Number Document Title 8774-A2-GB20 Hotwire 8774 TDM SDSL Termination Unit, with DSX-1 Interface, User’s Guide 8774-A2-GZ40 Hotwire 8774 TDM SDSL Termination Unit, with DSX-1 Interface, Installation Instructions 8776-A2-GB20 Hotwire 8776 TDM SDSL Termination Unit, with G.703 Interface, User’s Guide 8776-A2-GZ40 Hotwire 8776 TDM SDSL Termination Unit, with G.
About This Guide vi June 2004 8620-A2-GN20-50
Introduction 1 The 8620 Broadband Access Concentrator The 8620 Broadband Access Concentrator (BAC), which is designed for use in an Internet Service Provider (ISP) or Network Access Provider (NAP) location, is a low-cost alternative to the 8820 BAC. The 8620 BAC can also be placed in a Remote Terminal (RT) adjacent to the Telco’s Digital Loop Carrier (DLC) systems. It provides high-speed Internet or intranet access.
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1. Introduction Line cards Provide a processor and an Ethernet or ATM interface to the NSP. The processor controls the modems and forwards the packet traffic to and from the Ethernet, ATM and DSL interfaces. Models include: — 8303 24-port Integrated Services Digital Network (ISDN) Digital Subscriber Line (IDSL) card that interoperates with the 6301 and 6302 IDSL Routers. — 8304 24-port Packet IDSL 2B1Q card with ATM uplink that interoperates with the 6301 and 6302 IDSL Routers.
1. Introduction RADSL, ReachDSL, IDSL, SDSL, ADSL, and SHDSL cards are generically referred to as line cards in this document. Table 1-1 shows which line cards can be used with the different SCP card, MCP, and SCM configurations. Table 1-1.
1. Introduction For a list of specific management information bases (MIBs) supported, visit the Paradyne website www.paradyne.com. Select Support → Online Support → MIBs. DC FUSES B A 1-12 G.DMT G.Lite 8965 1-12 G.DMT G.Lite 8965 8417 SCP-IMA LK 5 LK 6 LK 7 LK 8 K LK 1 LK 2 LK 3 LK 4 IN G.DMT G.
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Installation 2 Preinstallation Considerations Consider the following before performing installation of the 8620 BAC: Installation Site Your installation site should be well ventilated, clean, and free of environmental extremes. — If you are installing the 8620 BAC in a central office (CO) rack, make sure there is a clearance of 2 to 3 feet (0.6 to 1.0 m) at the front of the rack to allow access for the installation of the chassis, circuit cards, and cables.
2. Installation Cabling Use only CAT3 or better twisted-pair network connection cables for DSL Termination Unit connections and interface patch cabling. Untwisted analog cables of any length anywhere in the loop substantially contribute to crosstalk and reduced loop reach. The following customer-provided cables and cable adapters are required with this product: — Plug-ended Telco 50-pin cable for connection from the 8620 BAC Line ports to the CO POTS splitter shelf or MDF, one cable per DSL card.
2. Installation Unpacking the Hardware Carefully remove the 8620 chassis from its shipping container and check for physical damage. If the 8620 chassis shows signs of shipping damage, report this immediately to your shipping and sales representatives. Package Contents The 8620 BAC, as shipped, consists of the following: Four filler plates installed in Slots A, 1, 2, and 3. One SIM card installed in bottom slot.
2. Installation Mounting Configurations The 8620 BAC can be mounted in any commercial Electronic Industries Association (EIA) standard 19-inch (48.3 cm) or 23-inch (58.4 cm) rack. Both 19and 23-inch rack-mounting hardware is provided with the unit. Each chassis is 5.22 inches (13.26 cm) high (3U). Allowing 0.03 inches (0.76 mm) between each chassis means that in a typical mounting configuration, up to 14 8620 BACs can be mounted in a 7-foot (2.13-meter) rack.
2. Installation 8620 BAC Installation The 8620 BAC is designed to be placed on a desktop or table, or mounted in a 19-or 23-inch rack (front or center mount). Installable feet are provided for desktop or table installations. Mounting brackets are provided for mounting in 19- or 23-inch racks. NOTE: Do not attach the rubber feet to the chassis if you plan to install it in a rack.
2. Installation Rack Mounting the 8620 BAC The 8620 BAC is supplied with two sets of mounting brackets, one set for a 19-inch rack and one set for a 23-inch rack. You will only need to install one set of brackets, depending on the type of rack into which you will be installing the 8620 BAC. To mount the 8620 chassis in either a 19-inch or 23-inch rack, you must first attach the proper mounting brackets to the chassis, then install the chassis in the rack.
2. Installation Installing the 8620 Chassis in a Rack Procedure To install the 8620 chassis in a rack: 1. Determine the preferred placement of the 8620 chassis in the rack. Then, mark the appropriate locations for the mounting screws in the rack. Use the other set of brackets supplied with the chassis as a template. 2. For racks without threaded screwholes, slip a self-retaining nut onto each rail hole selected and align the hole of the self-retaining nut with the hole in the rail.
2. Installation Complying with NEBS The following must be taken into consideration for compliance with Network Equipment-Building System (NEBS) requirements. Connection to the CO Ground Lug Procedure To connect to the CO ground lug: 1. Strip back the insulation approximately 1/4- to 3/8-inch (6.5 to 9.5 mm) on the 14 AWG copper ground wire. 2. Loosen the screw on the GND lug located on the rear surface at the center of the bottom edge. 3.
2. Installation Connecting Power The 8620 BAC is available in two versions: DC power (48 VDC, nominal; maximum current draw is 5 A) — The DC version has two separate DC inputs, A and B, to provide power redundancy. AC power (100–240 V, nominal; 50–60 Hz; maximum current draw is 4 A at 120 VAC) — The AC version can provide power redundancy if a separate 48 VDC source is connected to the B input terminal.
2. Installation Using a Single DC Power Source Procedure ✔ Make sure that the DC power source wires are not powered (that is, the circuit breakers or fuses are open at the source). ✔ The ends of the power source wires (14–18 AWG or 2.5 mm2 solid or stranded wire) must be stripped of insulation. If the wires are not stripped, strip the tip of each wire (about 1/2 inch or 13 mm in length) before inserting the wire into the appropriate terminal on the –48V input terminal block.
2. Installation Using Two DC Power Sources for Power Redundancy Procedure ✔ Make sure that the DC power source wires are not powered (that is, the circuit breakers are open). ✔ The ends of the power source wires (14–18 AWG or 2.5 mm2 solid or stranded wire) must be stripped of insulation to about 1/2 inch (12.7 mm) in length before inserting the wires into the appropriate terminal on the –48V input terminal block. To supply two DC power sources to the 8620 chassis for power redundancy: 1.
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2. Installation Using AC Power with DC Power Backup Procedure ✔ Make sure that the DC power source wires are not powered (that is, the circuit breakers are open). ✔ The ends of the DC power source wires (14–18 AWG solid or stranded wire) must be stripped of insulation. If they are not stripped of insulation, strip the tip of each wire (about 1/2 inch or 12.7 mm in length) before plugging the wire into the appropriate connector on the –48V input terminal block.
2. Installation Installing the Cards Use a small- to medium-size Phillips screwdriver to install the SCP, MCP, SCM, and line cards. If used: An SCP card must be installed in Slot A. Do not attempt to insert an SCP card into any slot other than Slot A. An SCM card must be installed in Slot A. Do not attempt to insert an SCM card into any slot other than Slot A. An MCP card must be installed in Slot 1. Do not attempt to insert an MCP card into any slot other than Slot 1.
2. Installation Procedure To install a circuit card in the 8620 BAC: 1. Remove the filler plate from the slot by unscrewing the mounting screws at each end. G.DMT G.Lite 8965 G.DMT G.Lite 8965 G.DMT G.
2. Installation Verifying the Installation To verify the hardware installation, observe the front panel indicators.
Cabling 3 Making Cable Connections This section provides the instructions you need to make the necessary cable connections to: Network (Tip and Ring connections) Terminal or Personal Computer (PC) Modem for remote management SNMP management system Terminal, laptop computer, or modem Alarm Relay Interface For any other type of connection, refer to the appropriate line card Installation Instructions.
3. Cabling Installing Network Tip and Ring Connections Line cards connect to the network through connectors mounted on the back of the 8620 BAC. Each slot has its own 50-pin connector wired to it and is capable of supporting high-density cards with up to 25 ports. The network Tip and Ring cables must be equipped with end-fed plug connectors. Each connector has a captive screw at one end and a tapped hole in the plastic at the other end.
3. Cabling Connecting a Line Card Using Cable Ties Procedure To connect a line card in the 8620 chassis using the provided cable ties: 1. On each cable, replace the longer captive screw on the cable connector with the #4-40 Phillips pan-head screw shipped in a plastic bag with the unit. Do not insert the screw past the connector body until Step 4. 2.
3. Cabling Connecting a Line Card Using Locking Pivot Brackets Procedure To connect a line card in the 8620 chassis using the provided locking pivot brackets: 1. For each cable, replace the longer captive screw on the cable connector with the #4-40 Phillips pan-head screw shipped in a plastic bag with the unit. Do not insert the screw past the connector body until Step 6. 2. Install the locking pivot bracket onto the cable end of the connector using the captive screw, as illustrated below.
3. Cabling 6. Tighten the captive screw on the top of the cable’s connector to secure it to the insert mounted on the rear cover. Tighten Screw 99-16163f-01 7. Plug the Telco 50-pin cable into the appropriate connector for the slot containing the card (labeled 2 or 3, connector 1 is for future use) on the rear of the 8620 chassis. 8. Make sure the other end of the cable is connected to the appropriate POTS splitter shelf, MDF, or demarcation point.
3. Cabling Connecting an SCP Card to an SNMP Management System Procedure To connect an SCP card to an SNMP management system or for Telnet access: 1. Plug the end of an 8-pin modular cable into LAN SCM jack of the SIM, which corresponds to the SCP card in Slot A of the chassis. 2. Plug the other end of the cable into the 10/100 BaseT hub connector to the SNMP management system network.
3. Cabling Connecting to a Modem for Remote Management (with MCP) Before connecting the 8620 BAC to a dial-up modem, configure the modem with the following settings: Set the modem for auto answer. For example, ATS0=1. Turn off character echo. For example, ATE0. Enable result codes in originate mode only. For example, ATQ2. Set the modem to ignore Data Terminal Ready (DTR). For example, AT&D0. Procedure To connect the 8620 BAC to a dial-up modem: 1.
3. Cabling Connecting an MCP to an SNMP Management System Procedure To connect an MCP card to an SNMP management system or for Telnet access: 1. Plug the end of an 8-pin modular cable into LAN MCP jack of the SIM, which corresponds to the MCP card in Slot 1 of the chassis. 2. Plug the other end of the cable into the 10/100 BaseT hub connector to the SNMP management system network.
3. Cabling Connecting CO Alarm to the Alarm System The following procedure is optional. Follow this procedure only if you want to connect to a CO alarm system. See 8-Pin Modular Connector for Alarm Relay Interface in Appendix A, Pinouts, for pinout information. Procedure To connect the 8620 BAC to a CO alarm system: 1. Plug the 8-pin modular cable into the ALARM connector on the front of the 8620 chassis. 2.
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Troubleshooting 4 Troubleshooting Table Table 4-1. Troubleshooting Table (1 of 2) Symptom Possible Cause Solutions Difficulty seating MCP, SCM or line card when installing Other cards and filler plates in the chassis are not properly secured. Check to see that the other cards and filler plates in the chassis are properly secured by the screws on the faceplate. If you still experience difficulty in seating the card, call service. Card may be slightly warped.
4. Troubleshooting Table 4-1. Troubleshooting Table (2 of 2) Symptom Possible Cause Solutions System Alarm LED is ON (on a line card) SYSTEM ALM LED is ON and line card is inoperative in Slot n. For an SCP-card-based chassis: 1. Using the Status - Alarms screen of the web interface, determine what alarms have been reported against the line card. 2. If a major alarm is indicated, check the Ethernet connections for the SCP and line card. 3. Remove and reinstall the card. 4.
4. Troubleshooting LEDs The following table describes the meaning and states of the LEDs on the front panel of the SIM card in the 8620 BAC. For individual card LEDs, see the appropriate card Installation Instructions.
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Pinouts A 8-Pin Modular Connector for Alarm Relay Interface The 8-pin interface for the Alarm Relay Interface (ALARM) connection has the following pin assignments.
A. Pinouts 8-Pin Modular LAN MCP/LAN SCM Slot Connector The 8-pin interface for the LAN 10/100 BaseT connections has the following pin assignments. Pin Number Use 1 TX Data + 2 TX Data – 3 RX Data + 4 Reserved Pin 8 Pin 1 Pin 1 Pin 8 99-15320-01 5 Reserved 6 RX Data – 7 Reserved 8 Reserved 8-Pin Modular Serial SCM Connector The 8-pin SERIAL SCM connector (used for the SCP card’s command line interface) is a DCE-type connection with the following pin assignments.
A. Pinouts 8-Pin Modular Serial MCP Connector The 8-pin SERIAL MCP connector (used for the MCP’s asynchronous terminal interface) is a DCE-type connection with the following pin assignments. NOTE: The serial port is active only on the base unit.
A. Pinouts DB25 Adapter Pinouts The DB25 (RS-232 male) cable adapter (Paradyne Part No. 002-0087-0031) is used to convert the 8-pin modular serial interface to a standard RS-232 DB25 interface, which can then be connected to a terminal, computer, or any Data Termination Equipment (DTE). Connection to a modem requires a null modem adapter. The following table lists the pin assignments.
A. Pinouts Telco 50-Pin Connector Pinouts for DSL Loops and POTS Splitters The three Telco 50-pin receptacles on the rear of the chassis (labeled for Slots 1, 2, 3) provide the 2-wire loop interface from each DSL port to either the POTS splitter card or, if the loop is not being shared with POTS, then to the Main Distribution Frame (MDF). The following table lists the pin assignments for each of these interfaces.
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Technical Specifications B Table B-1 lists the technical specifications for the 8620 BAC. Table B-1. 8620 BAC Technical Specifications (1 of 2) Specifications Criteria* Physical Dimensions Height: 5.22 inches (13.26 cm) Width: 17.20 inches (43.69 cm) Depth: 12.0 inches (30.48 cm) Weight for AC Model: 18 pounds (8.16 kg) Weight for DC Model: 14.4 pounds (6.53 kg) A standard 7-foot EIA cabinet can hold a maximum of 14 chassis.
B. Technical Specifications Table B-1. 8620 BAC Technical Specifications (2 of 2) Specifications Criteria* Cooling and Air Handling The internal fans are installed in the chassis to provide cooling. Operating Environment Ambient Temperature for system: 32° to 122° F (0° to 50°C) A built-in feature shuts off power to the circuit cards if a chassis overheats because of fan failure. If the temperature in the chassis reaches 70°C, power to the cards in the chassis is turned off automatically.
Index A alarm relay, A-1 ATM, 1-1 ADSL card, 1-3 SDSL card, 1-3 C cable ties, 3-3 cabling, 2-2, 3-1 alarm, 3-9 computer, 3-5–3-6 modem, 3-7 SNMP, 3-6, 3-8 tip and ring, 3-2 card ATM ADSL, 1-3 ATM SDSL, 1-3 installing, 2-15 interoperability, 1-4 line, 1-3 MCP, 1-2 SCM, 1-2 SCP, 1-2 CO ground lug, 2-8 components, 1-5 configuration, example, 1-1 cooling and air handling, B-2 D DLC (Digital Loop Carrier), 1-1 DSL cards, 1-3 F features, 1-4 G glossary, Paradyne master, iv grounding, 2-1, B-1 I installation
Index R ReachDSL card, 1-3 related documents, iv RT (Remote Terminal), 1-1 S SCM, 1-2 interoperability, 1-4 SCP card, 1-2 interoperability, 1-4 site, 2-1 SNMP, 1-4 cabling, 3-6, 3-8 T technical specifications, B-1 troubleshooting, 4-1 U unpacking, 2-3 IN-2 June 2004 8620-A2-GN20-50
