7.
Electrical Hazard: Only qualified personnel should perform installation procedures. Riesgo Electrico: Solamente personal calificado debe realizar procedimientos de instalacion. Elektrischer Gefahrenhinweis: Installationen sollten nur durch ausgebildetes und qualifiziertes Personal vorgenommen werden. Notice Enterasys Networks reserves the right to make changes in specifications and other information contained in this document and its web site without prior notice.
REGULATORY COMPLIANCE INFORMATION FEDERAL COMMUNICATIONS COMMISSION (FCC) NOTICE This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. NOTE: 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.
ELECTROMAGNETIC COMPATIBILITY (EMC) This product complies with the following: 47 CFR Parts 2 and 15, CSA C108.8, 89/336/EEC, EN 55022, EN 61000‐3‐2, EN 61000‐3‐3, EN 55024, AS/NZS CISPR 22, VCCI V‐3. COMPATIBILIDAD ELECTROMÁGNETICA (EMC) Este producto de Enterasys cumple con lo siguiente: 47 CFR Partes 2 y 15, CSA C108.8, 89/336/EEC, EN 55022, EN 55024, EN 61000‐3‐2, EN 61000‐3‐3, AS/NZS CISPR 22, VCCI V‐3.
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VCCI NOTICE This is a class A product based on the standard of the Voluntary Control Council for Interference by Information Technology Equipment (VCCI). If this equipment is used in a domestic environment, radio disturbance may arise. When such trouble occurs, the user may be required to take corrective actions. BSMI EMC STATEMENT — TAIWAN This is a class A product. In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures.
DECLARATION OF CONFORMITY Application of Council Directive(s): 89/336/EEC 73/23/EEC Manufacturer’s Name: Enterasys Networks, Inc. Manufacturer’s Address: European Representative Address: 50 Minuteman Road Andover, MA 01810 USA Enterasys Networks, Ltd.
ENTERASYS NETWORKS, INC. FIRMWARE LICENSE AGREEMENT BEFORE OPENING OR UTILIZING THE ENCLOSED PRODUCT, CAREFULLY READ THIS LICENSE AGREEMENT. This document is an agreement (“Agreement”) between the end user (“You”) and Enterasys Networks, Inc.
3. APPLICABLE LAW. This Agreement shall be interpreted and governed under the laws and in the state and federal courts of the Commonwealth of Massachusetts without regard to its conflicts of laws provisions. You accept the personal jurisdiction and venue of the Commonwealth of Massachusetts courts.
THE CUMULATIVE LIABILITY OF ENTERASYS TO YOU FOR ALL CLAIMS RELATING TO THE PROGRAM, IN CONTRACT, TORT OR OTHERWISE, SHALL NOT EXCEED THE TOTAL AMOUNT OF FEES PAID TO ENTERASYS BY YOU FOR THE RIGHTS GRANTED HEREIN. 8. AUDIT RIGHTS.
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Contents About This Guide Who Should Use This Guide ............................................................................................................... xv How to Use This Guide ...................................................................................................................... xvi Related Documents ........................................................................................................................... xvi Conventions Used in This Guide .......................
Connecting AC and RPS-SYS Power ..............................................................................................3-16 AC Power ..................................................................................................................................3-16 C2RPS-SYS Redundant Power System ...................................................................................3-18 Stack Initialization Overview ......................................................................................
Figures 1-1 3-1 3-2 3-3 3-4 3-5 3-6 3-7 3-8 3-9 3-10 3-11 3-12 3-13 3-14 3-15 3-16 3-17 3-18 3-19 4-1 4-2 A-1 A2H124-24FX Stackable Switch ............................................................................................1-3 Mini-GBIC with RJ45 Connector ............................................................................................3-4 Mini-GBIC with MT-RJ Connector..........................................................................................
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About This Guide This guide provides an overview, installation and troubleshooting instructions, and specifications for the Enterasys® SecureStack A2H124‐24FX stackable Ethernet switch. For information about the Command Line Interface (CLI) set of commands used to configure and manage the switch, refer to the Enterasys Networks® SecureStack A2 Configuration Guide. Note: In this guide, the following terms are used: • Switch refers to an A2H124-24FX unless otherwise noted.
How to Use This Guide How to Use This Guide Read through this guide completely to familiarize yourself with its contents and gain an understanding of the features and capabilities of the stackable Ethernet switch. A general knowledge of data communications networks is helpful when setting up the switches. This preface provides an overview of this guide and the SecureStack A2 manual set, a brief summary of each chapter and defines the conventions used throughout this guide.
Conventions Used in This Guide Conventions Used in This Guide The following conventions are used in this guide: Note: Calls the reader’s attention to any item of information that may be of special importance. Caution: Contains information essential to avoid damage to the equipment. Precaución: Contiene información esencial para prevenir dañar el equipo. Achtung: Verweißt auf wichtige Informationen zum Schutz gegen Beschädigungen.
Conventions Used in This Guide xviii About This Guide
1 Introduction This chapter introduces the A2H124‐24FX stackable switch. Important Notice Depending on the firmware version used in the SecureStack A2, some features described in this document may not be supported. Refer to the Release Notes shipped with the A2H124-24FX to determine which features are supported. For information about... Refer to page...
Overview Overview The A2H124‐24FX is a stackable Fast Ethernet switch, which can be adapted and scaled to help meet your network needs. This switch provides a management platform and uplinks to a network backbone for a stacked group of up to eight A2 switches. The two built‐in Small Form Pluggable (SFP) interface slots provide you with the option of installing Mini‐GBICs.
Overview Figure 1-1 A2H124-24FX Stackable Switch Front 1 3 5 7 9 11 13 15 17 19 21 23 25 Console MGR RPS 1 3 5 7 9 11 13 15 17 19 21 23 2 4 6 8 10 12 14 16 18 20 22 24 26/Down 27 ÁÂ 28 27 28 2 À 25/Up 26 CPU 4 6 8 10 Ã 14 12 16 18 20 22 24 Ä Stack Å Æ Ç Back Redundant Power Supply DC Line 12V /13A MAX. MAC ADDRESS SERIAL NO. È 1 2 3 4 5 AC LINE 100-240 VAC 50-60 Hz 1 A MAX.
Connectivity Connectivity The SecureStack A2 switch connects to Ethernet networks or workstations by way of the fixed front panel MT‐RJ ports and two uplink ports that support optional Mini‐GBICs. At the time of this printing, the Mini‐GBICs that are available from Enterasys and supported by A2 switch are described in Table 1‐1. These Mini‐GBICs meet or exceed the IEEE 802.3z‐1998 standard.
Management Management Management of the module can be either in‐band or out‐of‐band. In‐band remote management is possible using Telnet, Enterasys Networks’ NetSight® management application, or the WebView application. Out‐of‐band management is provided through the DB9 Console port connector on the front panel using a VT100 terminal or a VT100 terminal emulator.
Getting Help Getting Help For additional support related to the SecureStack A2 or this document, contact Enterasys Networks using one of the following methods: World Wide Web www.enterasys.com/services/support/ Phone 1-800-872-8440 (toll-free in U.S. and Canada) or 1-978-684-1000 For the Enterasys Networks Support toll-free number in your country: www.enterasys.com/services/support/contact/ Internet mail support@enterasys.com To expedite your message, type [Switching] in the subject line.
2 Network Requirements Before installing the device, review the requirements and specifications in this chapter concerning the following: For information about... Refer to page... 100BASE-FX Multimode Fiber-Optic Network 2-1 1000BASE-FX Fiber-Optic Network 2-2 1000BASE-T Twisted Pair Gigabit Ethernet Network 2-2 Note: The network installation must meet the requirements described in this chapter to ensure satisfactory performance of this equipment.
1000BASE-FX Fiber-Optic Network 1000BASE-FX Fiber-Optic Network The Mini‐GBIC port sockets 27 and 28 on the A2H124‐24FX enable you to vary the type of 1‐Gbps port connection.
3 Hardware Installation Electrical Hazard: Only qualified personnel should perform installation procedures. Riesgo Electrico: Solamente personal calificado debe realizar procedimientos de instalacion. Elektrischer Gefahrenhinweis: Installationen sollten nur durch ausgebildetes und qualifiziertes Personal vorgenommen werden. Important Notice Read the Release Notes shipped with the switch to check for any exceptions to the supported features and operation documented in this guide.
Considerations Prior to Installation Considerations Prior to Installation When installing the switch, note the following: • Before starting the installation procedure, notify the network administrator of the installation. • Follow the installation procedures in the order as presented in this guide. • Do not connect the switch to the network until you have established the correct IP address. Required Tools A Phillips screwdriver is required to install the switch into a rack.
Installing Optional Mini-GBICs Installing Optional Mini-GBICs This section describes how to install Mini‐GBICs in the SFP port slots 27 and 28 on the A2H124‐24FX. It is recommended that the optional Mini‐GBICs be installed first in a new installation. Warning: Fiber-optic Mini-GBICs use Class 1 lasers. Do not use optical instruments to view the laser output. The use of optical instruments to view laser output increases eye hazard.
Installing Optional Mini-GBICs Installation To install a Mini‐GBIC that has an RJ45 connector, refer to Figure 3‐1; for a Mini‐GBIC with a MT‐RJ connector, refer to Figure 3‐2; for a Mini‐GBIC with an LC connector, refer to Figure 3‐3; and proceed as follows: 1. Hold the Mini‐GBIC with the top side positioned as shown, and the 7‐pin edge connector facing the port slot. 2. Align the Mini‐GBIC with the port slot. 3.
Installing Optional Mini-GBICs Figure 3-2 Mini-GBIC with MT-RJ Connector 25 26 27 25 /U p 28 Ã Á 26 /D St ac k ow n A2 27 H1 28 24 -24 FX À Â 1 SFP Slot 2 Mini-GBIC (MGBIC-MT01) 3 Release tab 4 Link/Activity LED SecureStack A2 Installation Guide 3-5
Installing Optional Mini-GBICs Figure 3-3 Mini-GBIC with LC Connector 25 26 27 25 /U p 28 Ã 26 /D St ac k ow n A2 27 H1 28 24 -24 FX Á À Â 1 SFP Slot 2 Mini-GBIC (MGBIC-LC01,-LC03, -LC09, MGBIC-08) 3 Release tab 4 Link/Activity LED Removing the Mini-GBIC Caution: Do NOT remove a Mini-GBIC from a slot without releasing the locking tab located under the front bottom end of the Mini-GBIC. This can damage the Mini-GBIC.
Installing the Switch on a Flat Surface To remove a Mini‐GBIC from a port slot, refer back to Figure 3‐1, Figure 3‐2, and Figure 3‐3, and proceed as follows: 1. Attach your antistatic wrist strap (refer to the instructions in your antistatic wrist strap package) before removing the Mini‐GBIC. 2. Remove the cables connected to the Mini‐GBIC. 3. Locate the release tab under the front end of the Mini‐GBIC. For the type of Mini‐GBIC shown in: 4. a.
Installing the Switch on a Flat Surface Figure 3-4 Chassis Bottom, Rubber Feet Placement Á À Â Â Â Â 1 Bottom of chassis as seen when chassis is 3 Rubber feet with adhesive backing resting on its back (four) 2 Locations to install the rubber feet (four locations) Note: If a number of switches are being installed in a stack, repeat steps 1 through 4 to install the rubber feet on each switch before continuing with the installation.
Installing the Switch on a Flat Surface Caution: To ensure proper ventilation and prevent overheating, leave a minimum clearance space of 5.1 cm (2.0 in.) at the left, right, and rear of the switch. Do not connect the switch to the AC power source until instructed to do so later in the installation process. Precaución: Para asegurar una buena ventilación y evitar que el sistema se sobrecaliente, deje un espacio mínimo de 5.1 cm (2 pulgadas) con respecto a los lados y a la parte posterior del aparato.
Rack Mounting the Switch Rack Mounting the Switch To install the switch in a 19‐inch rack, you need: • Two rackmount brackets and mounting screws (rackmount kit) shipped with the switch. • Four user‐supplied screws to attach the switch to a standard 19‐inch rack. Guidelines for Rackmount Installation The installation site must be within reach of the network cabling and meet the requirements listed below: • Appropriate grounded power receptacles must be located within 152 cm (5 ft) of the location.
Connecting Stacking Cables Figure 3-6 Attaching the Rackmount Brackets 1 3 5 7 9 11 13 15 17 19 21 23 2 4 6 8 10 12 14 16 18 20 22 24 25 Console MGR RPS Á 1 3 5 7 9 11 13 15 17 19 21 23 2 4 6 8 10 12 14 16 18 20 22 24 27 28 28 Stack À À Á 2 M3x6 mm flathead screws With the mounting brackets attached, position the switch between the vertical frame members of the 19‐inch rack as shown in Figure 3‐7.
Connecting Stacking Cables Figure 3‐8 shows an example of a four‐high stack connected in a closed loop configuration. All STACK DOWN and STACK UP connectors are used in the installation. The stacking cable connections are from the STACK DOWN connector of one switch to the STACK UP connector of the next switch up in the stack. A stacking cable connection from the STACK DOWN connector of the switch at the top of the stack to the STACK UP connector at the bottom of the stack closes the loop.
Configuring Switches in a Stack Configuring Switches in a Stack The information in the following sections is important to understand A2 switch operation and installations in a stack installation. About SecureStack A2 Switch Operation in a Stack The SecureStack A2 products are stackable switches that can be adapted and scaled to help meet your network needs. These switches provide a management platform and uplink to a network backbone for a stacked group of up to eight A2 switches.
Configuring Switches in a Stack 3. The management election process uses the following precedence to assign a management switch: a. Previously assigned/elected management switch b. Management assigned priority (values 1–15) c. Hardware preference level d. Highest MAC Address Recommended Procedures for New and Existing Stacks Important The following procedures assume that all switches have a clean configuration from manufacturing.
Configuring Switches in a Stack 3. Once the desired master switch has been selected, the current configuration will be saved and the stack will automatically reset. You must now move the console cable to the new management unit. 4. Stack members other than the management unit will only identify their unit number through their console port. 5.
Connecting AC and RPS-SYS Power Connecting AC and RPS-SYS Power AC Power Note: The power supply in the switch has automatic voltage sensing that allows connection to power sources ranging from 100 to 240 VAC. To connect a switch to the AC power source, refer to Figure 3‐9 and proceed as follows: 1. Plug the power cord into the switch AC power connector. 2. Plug the other end of the power cord into a dedicated grounded AC outlet (not shown). The type of power outlet and power cord are country‐dependent.
Connecting AC and RPS-SYS Power Figure 3-9 Switch Rear View Re DCdund Lin ant e 12 Po V wer Su /13 pp ly A MA X. Â MA C AD DR ES S SE RIA L NO . 10AC LIN 0-2 50 40 E VA 1 A-60 Hz C MA X. Á 10AC L 0- IN 50240 E V 1 A-60 H AC MA z X À 1 AC power cord 3. 2 AC power connector 3 Connector for external redundant power supply Observe the power CPU LED (not shown), located on the front panel.
Connecting AC and RPS-SYS Power C2RPS-SYS Redundant Power System If you are installing an optional redundant power system (C2RPS‐SYS), refer to the installation instructions supplied with the SecureStack RPS. The switch is connected to a C2RPS‐PSM using a C2RPS‐PSM Cable. Figure 3-10 Accessing the RPS Connector Re DCdund Lin ant e 1 Po 2V we rS /13 upp A M ly AX . Â MA CA Â Á Á 1 2 DD RE SS SE RIA LN O. À RPS coverplate Retaining screws to fasten plate 10AC L 0-2 IN 5 40 E 1.
Connecting AC and RPS-SYS Power Stack Initialization Overview When you install and connect all the stacking cables to the switches in the stack before applying power to the switches, the following occurs: • The switch that will manage (Manager) the stack is automatically established with all other switches established as Member switches in the stack. When the switches complete their initializations, one of the switches in the stack will illuminate its Manager LED, indicating that it is the stack Manager.
Connecting to Console Port for Local Management Connecting to Console Port for Local Management This section describes how to connect an RS232 DTE interface cable from a PC, a VT series terminal, or a modem to an A2H124‐24FX for out‐of‐band sessions using CLI commands.
Connecting to Console Port for Local Management Connecting to an IBM or Compatible Device To connect an IBM PC or compatible device, running the VT terminal emulation, to an Enterasys switch Console port (Figure 3‐12), proceed as follows: 1. Connect the DB9 female connector at one end of the cable (not supplied) to the Console port on the Enterasys switch. (If there is a switch designated as the Manager, connect to its Console port.) 2.
Connecting to Console Port for Local Management Connecting to a VT Series Terminal To connect a VT Series terminal to an Enterasys switch Console port (Figure 3‐13), use a UTP serial interface cable terminated with a DB9 female connector and a DB25 female connector and proceed as follows: 1. Connect the DB9 female connector at one end of cable to the Console port DB9 male connector on the Enterasys switch. (If there is a switch designated as the Manager, connect to its Console port.) 2.
Connecting to Console Port for Local Management Connecting to a Modem To connect a modem to an Enterasys Networks switch modem port (Figure 3‐14), use a UTP cable terminated with a DB9 female connector and a DB25 male connector, and proceed as follows: 1. Connect the DB9 female connector at one end of the cable to the Console port DB9 connector on the Enterasys switch. (If there is a switch designated as the Manager, connect to its Console port.) 2.
Connecting to the Network Connecting to the Network This section provides the procedure to connect fiber‐optic cables from the fixed front panel MT‐RJ ports to the network or other devices. In addition this section will also cover connections of any installed optional Mini‐GBICs to the network or other devices.
Connecting to the Network 2. Insert the MT‐RJ cable connector into the MT‐RJ front panel port until it clicks into place. Note: To remove the MT-RJ cable connector, press on its release tab and pull it out of the MT-RJ front panel port. Figure 3-15 Connecting a Fiber-Optic Cable Segment to MT-RJ Port 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 17 18 Â 19 20 21 22 3 23 5 24 7 2 À Á 9 4 11 6 8 10 12 1 MT-RJ cable connector 2 MT-RJ front panel port 3. 4.
Connecting to the Network Connecting Fiber-Optic Cables to MT-RJ Mini-GBIC Ports Warning: Fiber-optic Mini-GBICs use Class 1 lasers. Do not use optical instruments to view the laser output. The use of optical instruments to view laser output increases eye hazard. When viewing the output optical port, power must be removed from the network adapter. Advertencia: Los Mini-GBICS de fibra optica usan lasers de clase 1. No se debe usar instrumentos opticos para ver la potencia laser.
Connecting to the Network Caution: Do not touch the ends of the fiber-optic strands, and do not let the ends come in contact with dust, dirt, or other contaminants. Contamination of cable ends causes problems in data transmissions. If the ends of the fiber-optic strands become contaminated, use a canned duster to blow the surfaces clean. A fiber-port cleaning swab saturated with optical-grade isopropyl alcohol may also be used to clean the ends.
Connecting to the Network Connecting Fiber-Optic Cables to LC Mini-GBIC Ports Warning: Fiber-optic Mini-GBICs use Class 1 lasers. Do not use optical instruments to view the laser output. The use of optical instruments to view laser output increases eye hazard. When viewing the output optical port, power must be removed from the network adapter. Advertencia: Los Mini-GBICS de fibra optica usan lasers de clase 1. No se debe usar instrumentos opticos para ver la potencia laser.
Connecting to the Network 1. Remove the protective covers from the Mini‐GBIC LC fiber‐optic port and from the connectors on each end of the cable. Note: Leave the protective covers in place when the connectors are not in use to prevent contamination. 2. Insert the LC cable connector into the Mini‐GBIC LC connector until it clicks into place. Note: To remove the LC cable connector, press on its release tab and pull it out of Mini-GBIC LC connector. 3.
Connecting to the Network Connecting UTP Cables to RJ45 Mini-GBIC Ports The RJ45 Mini‐GBIC (MGBIC‐02) ports are10/100/1000 Mbps ports and have internal crossovers. When connecting a workstation to these ports, use a straight‐through cable. When connecting networking devices to these ports, such as a bridge, repeater, or router, use a crossover cable. Note: RJ45 Mini-GBIC ports support Category 5 Unshielded Twisted Pair (UTP) cabling with an impedance between 85 and 111 ohms.
Connecting to the Network Figure 3-16 Four-Wire Crossover Cable RJ45 Pinouts for 10/100BASE-TX À Á RX+ 1 1 RX+ RX 2 2 RX TX+ 3 3 TX+ TX 6 6 TX Ã Â 1 RJ45 switch port 2 Other device port Figure 3-17 3 RJ45-to-RJ45 crossover cable 4 RX+/RX- and TX+/TX-connections These connections must share a common color pair.
Connecting to the Network Figure 3-18 Eight-Wire Crossover Cable RJ45 Pinouts for 10/100/1000BASE-TX À Á TX1+ 1 1 TX2+ RX1- 2 2 RX2- TX2+ 3 3 TX1+ TX3+ 4 4 TX4+ RX3- 5 5 RX4- RX2- 6 6 RX1- TX4+ 7 7 TX3+ RX4- 8 8 RX3- Â 1 RJ45 device port 2 Other device port 3 RJ45-to-RJ45 crossover cable Figure 3-19 Eight-Wire Straight-Through Cable RJ45 Pinouts for 10/100/ 1000BASE-TX À Á TX1+ 1 1 TX2+ RX1- 2 2 RX2- TX2+ 3 3 TX1+ TX3+ 4 4 TX4+ RX3- 5 5 RX4- RX2-
Completing the Installation Completing the Installation After installing the switch and making the connections to the network, access the switch management, as described below. Initial Logon to Switch Management To initially access switch management from your local PC, terminal, or modem connection, proceed as follows at the displayed startup screen: 1. Enter ro (Read‐Only), rw (Read‐Write), or admin (superuser) for Username. 2. At the Password prompt, press Enter (RETURN). 3.
Completing the Installation 3-34 Hardware Installation
4 Troubleshooting This chapter provides information concerning the following: For information about... Refer to page... Using LANVIEW 4-2 Troubleshooting Checklist 4-6 Using the Reset Password Switch 4-9 This device contains a battery that is not considered a user replaceable part. If the battery needs to be replaced, contact customer service for repair. Caution: There is a risk of explosion if the battery is replaced with an incorrect type.
Using LANVIEW Using LANVIEW The A2H124‐24FX supports the Enterasys Networks built‐in LANVIEW LED visual diagnostic and status monitoring system. The LANVIEW LEDs on the A2H124‐24FX are located as shown in Figure 4‐1. These LEDs allow you to quickly observe network status for diagnosing switch and network problems.
Using LANVIEW Table 4-1 LANVIEW LEDs LED Color State Recommended Action CPU Off Power disconnected. If the LED remains off after connecting AC power or DC power from an RPS, check the following: 1. Make sure there is power at the power source (AC source and RPS if applicable). 2. Replace the power cord with a known good one or check the continuity of the power cord. 3. If the SecureStack A2 still does not power up, the system may have a fatal error.
Using LANVIEW Table 4-1 LANVIEW LEDs (continued) LED Color State Recommended Action DOWN Off No valid connection to switch stackup connector. 1. Make sure the switch connected to the stackup connector is powered on. 2. Replace cable with a known good one. 3. If the problem still exists, contact Enterasys Networks for technical support. Green Solid. Valid connection to switch stackup connector. None. Flashing. Information is being transferred via the stacking cable.
Using LANVIEW Table 4-1 LANVIEW LEDs (continued) LED Color State Recommended Action RPS Off The RPS LED remains off regardless if the RPS is attached or not. The LED being in its off state is not an indication that the RPS is not functioning properly and won’t supply power in the event of an AC power supply failure. None. See Amber state below. Amber Solid.The switch internal power supply failed, and the RPS is providing the proper power to the switch. 1.
Troubleshooting Checklist Troubleshooting Checklist If the device is not working properly, refer to Table 4‐2 for a checklist of problems, possible causes, and recommended actions to resolve the problem. Table 4-2 Troubleshooting Checklist Problem Possible Cause Recommended Action All LEDs are OFF. Loss of power. Ensure that the SecureStack A2 was installed properly according to the installation instructions in Chapter 3.
Troubleshooting Checklist Table 4-2 Troubleshooting Checklist (continued) Problem Possible Cause Recommended Action Cannot contact the SecureStack A2 through in-band management. IP address not assigned. Refer to the SecureStack A2 Configuration Guide for the IP address assignment procedure. Port is disabled. This is normal if the switch is a Member in a stack. If operating as a standalone switch or as the Manager in a stack, enable the port.
Troubleshooting Checklist Table 4-2 Troubleshooting Checklist (continued) Problem Possible Cause Recommended Action Port(s) goes into standby for no apparent reason. Loop condition detected. Verify that Spanning Tree is enabled. Refer to the SecureStack A2 Configuration Guide for the instructions to set the type of STA. Review the network design and delete unnecessary loops. If the problem continues, contact Enterasys Networks for technical support.
Using the Reset Password Switch Using the Reset Password Switch If you forget the SecureStack A2 login password, use the Reset Password switch as described in the following procedure. Figure 4-2 Reset Password Switch Console CPU MGR RPS À 1 Reset Password switch To reset the SecureStack A2 password, refer to Figure 4‐2 and proceed as follows: Note: Notify the system manager before changing the password. 1. Press‐and‐hold the Reset Password switch while the switch is operational.
Using the Reset Password Switch 4-10 Troubleshooting
A Specifications This appendix provides information about the following: For information about... Refer to page... Switch Specifications A-2 Mini-GBIC Input/Output Specifications A-3 Gigabit Ethernet Specifications A-4 Console Port Pinout Assignments A-7 Regulatory Compliance A-7 Enterasys Networks reserves the right to change the specifications at any time without notice.
Switch Specifications Switch Specifications Table A‐1 provides the I/O ports, processors and memory, physical, and environmental specifications for the A2H124‐24FX. Table A-1 A2H124-24FX Switch Specifications Item Specification MT-RJ ports 1 through 24 Twenty-four 100BASE-FX compliant ports RJ45 ports 25 and 26 Two 10/100/1000BASE-TX compliant ports with auto-sensing and auto-negotiation via RJ45 UTP connectors for stacking.
Mini-GBIC Input/Output Specifications Table A-1 A2H124-24FX Switch Specifications (continued) Item Specification Environmental Operating Temperature 0°C to 40°C (32°F to 104°F) Storage Temperature -40°C to 70°C (-40°F to 158°F) Operating Relative Humidity 5% to 95% (non-condensing) Mini-GBIC Input/Output Specifications The Mini‐Gigabit Ethernet Card (Mini‐GBIC) port interface slots can support 1‐Gbps fiber‐optic connections as described in Table A‐2. The optional Mini‐GBICs are hot swappable.
Gigabit Ethernet Specifications Gigabit Ethernet Specifications The following specifications for the Mini‐GBICs shown in Table A‐3 through Table A‐11 meet or exceed the IEEE 802.3z‐1998 standard. MGBIC-LC01/MGBIC-MT01 Specifications (1000BASE-SX) Table A-3 Item 62.5 µm MMF 50 µm MMF Transmit Power (minimum) -9.5 dBm -9.5 dBm Receive Sensitivity -17 dBm -17 dBm Link Power Budget 7.5 dBm 7.
Gigabit Ethernet Specifications MGBIC-LC03 Specifications (1000BASE-SX) Table A-5 MGBIC-LC03 Optical Specifications Item 62.5/125 µm MMF 50/125 µm MMF Transmit Power (minimum) -9.5 dBm -9.5 dBm Transmit Power (maximum) -3 dBm -3 dBm Receive Sensitivity -20 dBm -20 dBm 10.5 dBm 10.5 dBm Budget1 Link Power (Multimode Only) 1. The maximum drive distance (up to 2 km) depends on the quality of the installed multimode fiberoptic cable segment.
Gigabit Ethernet Specifications MGBIC-08 Specifications (1000BASE-ELX) Table A-9 MGBIC-08 Optical Specifications Item 10 µm SMF Transmit Power (minimum) -0 dBm, min. +2 dBm, typical Receive Sensitivity -24 dBm, min. -26 dBm, typical Maximum Input Power -3 dBm 1 Link Power Budget (Full Duplex Only) 23 dB +5 dBm, max. 28 dB, typical 1. The maximum drive distance (up to 70 km) depends on the quality of the installed single-mode fiber-optic cable segment.
Console Port Pinout Assignments Console Port Pinout Assignments The Console port is a DB9 serial communications port for local access to Local Management. Refer to Figure A‐1 for the Console port pin assignments. Figure A-1 Console Port Pinout Assignments 3 5 9 2 1 1 2 Pin 2, Received Data (input) Pin 3, Transmitted Data (output) 6 1 3 Pin 5, Signal Ground All other pins not connected.
Regulatory Compliance A-8 Specifications
Index Numerics 1000BASE-FX fiber-opitc Network 2-2 1000BASE-T twisted pair Gigabit Ethernet Network 2-2 100BASE-FX multimode fiber-optic Network 2-1 A A2H124-24FX overview of 1-2 C Cable fiber budget A-3 CLI command introduction to 1-5 Configuring switches stack configuration 3-13 Connecting Fiber-Optic Cables from A2H124-24FX to the Network 3-24 Connecting to the network 3-24 Connectivity introduction to 1-4 Console Port Pinout Assignments A-7 Installation site what is needed at the 3-8 Installing Optio
Redundant Power Supply Capability introduction to 1-3 Regulatory Compliance A-7 Related manuals xvi Reset switch 4-9 S Safety requirements A-7 Specifications A-1 A2H124-24FX A-2 MGBIC-02 A-6 MGBIC-08 A-6 MGBIC-LC01 A-4, A-5 MGBIC-LC03 A-5 MGBIC-LC09 A-5 MGBIC-MT01 A-4, A-5 Mini-GBIC input/outputs A-3 Stack initialization manager switch selection 3-19 Stack Manager automatic selection of 3-19 Stack Member automatic selection of 3-19 Stack Operation member switch selection 3-19 Stack System installation of a
