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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.
ѻક䇈ᯢк䰘ӊ Supplement to Product Instructions 䚼ӊৡ⿄ (Parts) 䞥ሲ䚼ӊ (Metal Parts) ⬉䏃ഫ (Circuit Modules) ⬉㓚ঞ⬉㓚㒘ӊ (Cables & Cable Assemblies) ล᭭㘮ড়⠽䚼ӊ (Plastic and Polymeric parts) ⬉䏃ᓔ݇ (Circuit Breakers) ƻ˖ 䪙 3E ᳝↦᳝ᆇ⠽䋼ܗ㋴ (Hazardous Substance) ⒈㘨㣃 ∲ 䬝 ݁Ӌ䫀 3%% +J &G &U h ƻ ƻ ƻ ƻ ƻ h ƻ ƻ ƻ ƻ ƻ h ƻ ƻ ƻ ƻ ƻ ƻ ƻ ƻ ƻ ƻ ƻ ƻ ƻ ƻ ƻ ƻ ƻ ⒈Ѡ㣃䝮 3%'( 㸼⼎䆹᳝↦᳝ᆇ⠽䋼䆹䚼ӊ᠔᳝ഛ䋼ᴤ᭭Ёⱘ䞣ഛ SJ/T 11363-2006 ᷛޚ㾘ᅮⱘ䰤䞣㽕∖ҹϟDŽ Indicates that the concentration of the hazardous substance
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: Conformance to Directive(s)/Product Standards: Equipment Type/Environment: 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. None of the 1980 United Nations Convention on the Limitation Period in the International Sale of Goods, and the Uniform Computer Information Transactions Act shall apply to this Agreement. 4. EXPORT RESTRICTIONS.
8. AUDIT RIGHTS. You hereby acknowledge that the intellectual property rights associated with the Program are of critical value to Enterasys, and, accordingly, You hereby agree to maintain complete books, records and accounts showing (i) license fees due and paid, and (ii) the use, copying and deployment of the Program.
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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 to Console Port for Local Management ........................................................................3-15 What Is Needed .........................................................................................................................3-15 Connecting to an IBM or Compatible Device .............................................................................3-16 Connecting to a VT Series Terminal .......................................................................................
A-1 Console Port Pinout Assignments......................................................................................... A-3 Tables 3-1 4-1 4-2 A-1 A-2 A-3 A-4 A-5 Contents of Switch Carton .....................................................................................................3-2 LANVIEW LEDs .....................................................................................................................4-3 Troubleshooting Checklist...................................................
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About This Guide This guide provides an overview, installation and troubleshooting instructions, and specifications for the Enterasys® SecureStack A2H123‐24 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. Important Notice Depending on the firmware version used in the A2H123-24 switch, some features described in this document may not be supported.
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 switches. A general knowledge of data communications networks is helpful when setting up the switches.
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.
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.
1 Introduction This chapter introduces the A2H123‐24 stackable switch. For information about... Refer to page... Overview 1-1 Connectivity 1-3 Management 1-3 Standards Compatibility 1-4 LANVIEW Diagnostic LEDs 1-4 Overview The A2H123‐24 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 uplink to a network backbone for a stacked group of up to eight A2 switches.
Overview • 1000BASE‐T RJ45 connectors which can be used in a stack configuration or as standard switch ports when the A2H123‐24 is configured as a standalone switch. On the rear panel, there is a Redundant Power Supply connector for a connection to a SecureStack C2RPS‐SYS power supply system using the appropriate cable (C2RPS‐PSM cable). Caution: The A2H123-24 is not a PoE-compliant device. Do not connect a SecureStack PoE Redundant Power System (C2RPS-POE) to the power connector.
Connectivity Stack Connections The switches have front‐panel RJ45 connectors for connections in a stack configuration. The stacking cables used for the connections are standard Category 5 or better UTP cable. Redundant Power Supply Capability The SecureStack A2 has power supply redundancy capability when connected to an optional external redundant power supply (RPS). If the internal power supply fails, the RPS assumes the entire load of the SecureStack A2 without interrupting network traffic.
Standards Compatibility Switch Configuration Using CLI Commands The CLI commands enable you to perform more complete SecureStack A2 configuration management tasks. For CLI command set information and how to configure the module, refer to the SecureStack A2 Configuration Guide. Standards Compatibility The 10/100BASE‐T ports, 10/100/1000BASE‐T (stack) ports, and 100BASE‐FX ports are compliant with the following standards and operations: • IEEE 802.3 • IEEE 802.3u • IEEE 802.
2 Network Requirements Before installing the device, review the requirements and specifications in this chapter. The network installation must meet the requirements described in this chapter to ensure satisfactory performance of this equipment. Failure to do so will produce poor network performance. For information about... Refer to page...
100BASE-TX Network 100BASE-TX Network When connecting a 100BASE‐TX segment to one of the fixed ports (1 through 24 on the A2H123‐24) use Category 5 UTP cabling. The device at the other end of the twisted pair segment must meet IEEE 802.3‐2005 100BASE‐TX Fast Ethernet network requirements for the SecureStack A2 to operate at 100 Mbps. Note: When using the RJ45 ports on the SecureStack A2 for 100 Mbps operation use Category 5 UTP cabling with an impedance between 85 and 111 ohms.
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. This chapter provides instructions on how to install the A2H123‐24. Follow the order of the sections listed below to correctly install the switch. For information about...
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 the Switch on a Flat Surface Installing the Switch on a Flat Surface When installing the switch on a flat surface, the installation of the rubber feet is recommended to prevent the switch from sliding on a flat surface. Installing the rubber feet is optional if you are installing the switch in a rack. To install the rubber feet, proceed to “Installing the Rubber Feet” instructions below. For instructions to rack mount the switch, proceed to “Rack Mounting the Switch” on page 3‐6.
Installing the Switch on a Flat Surface Figure 3-1 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 Guidelines for Flat Surface Installation Locate the switch within 152 cm (5 ft) of its power source and on a surface as shown in Figure 3‐2. If an optional redundant power system is going to be installed and connected to the 14‐pin Redundant Power Supply input connector on the rear of the switch, refer to the installation guide shipped with the redundant power system. Caution: To ensure proper ventilation and prevent overheating, leave a minimum clearance space of 5.
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. Refer to “Torque Values” on page A‐4 for recommended torque values by screw size.
Connecting Stacking Cables Figure 3-3 Attaching the Rackmount Brackets 1 Rackmount brackets 2. With the mounting brackets attached, position the switch between the vertical frame members of the 19‐inch rack as shown in Figure 3‐4. Then fasten the switch securely to the frame using four mounting screws (user supplied). Refer to “Torque Values” on page A‐4 for recommended torque values by screw size. Figure 3-4 Fastening the Switch to the Rack 1 Rails of 19-inch rack 3.
Connecting Stacking Cables Figure 3‐5 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 unit has been selected, reset the system using the reset command. 4. After the stack has been configured, you can use the show switch unit command to physically identify each unit. When you enter the command with a unit number, the MGR LED of the specified switch will blink for 10 seconds. The normal state of this LED is off for member units and steady green for the manager unit. 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 3‐6 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 3-6 Switch Rear View 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. During the initialization, the CPU LED will start by illuminating solid amber, then start blinking green, then blinking amber, then blinking green again until the end of the initialization, and then turns solid green.
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.
Connecting to Console Port for Local Management 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.
Connecting to Console Port for Local Management Using a DTE modem DB9 female‐to‐DB25 female cable, you can connect products equipped with a DB9 DTE male console port to a VT series terminal or VT type terminals running emulation programs for the VT series. Using a DTE modem DB9 female‐to‐DB25 male cable, you can connect products equipped with a DB9 DTE male console port to a Hayes compatible modem that supports 9600 baud.
Connecting to Console Port for Local Management When these parameters are set, the Startup screen will display. Proceed to “Connecting to the Network” on page 3‐19.
Connecting to Console Port for Local Management When these parameters are set, the Startup screen will display. Proceed to “Connecting to the Network” on page 3‐19.
Connecting to the Network When these parameters are set, the Startup screen will display. If the switches are in a stacked configuration, proceed to “Connecting to the Network” on page 3‐19.
Connecting to the Network To connect twisted pair segments to the switch, refer to Figure 3‐12 and proceed as follows: 1. Ensure that the device to be connected at the other end of the segment is powered ON. 2. Connect the twisted pair segment to the switch by inserting the RJ45 connector on the twisted pair segment into the desired RJ45 port (for example, Port 8).
Connecting to the Network d. Ensure that the twisted pair connection meets the dB loss and cable specifications outlined in the Cabling Guide. Refer to “Related Documents” on page xvi for information on obtaining this document. 4. If a link is not established, contact Enterasys Networks. Refer to “Getting Help” on page xviii for details. Repeat all steps above until all connections have been made.
Connecting to the Network Figure 3-15 Figure 3-16 3-22 Hardware Installation Eight-Wire Crossover Cable RJ45 Pinouts for 1000BASE-TX MDI MDI TX1+ 1 1 TX1+ RX1- 2 2 RX1- TX2+ 3 3 TX2+ TX3+ 4 4 TX3+ RX3- 5 5 RX3- RX2- 6 6 RX2- TX4+ 7 7 TX4+ RX4- 8 8 RX4- Eight-Wire Straight-Through Cable RJ45 Pinouts for 1000BASE-TX MDI MDI-X 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-
Connecting to the Network Connecting Fiber-Optic Cables to LC Ports This section describes how to connect a 100BASE‐FX multimode fiber‐optic segment from the network or other devices to an LC port connector. Each fiber‐optic link consists of two fiber‐optic strands within the cable: • Transmit (TX) • Receive (RX) The transmit strand from a switch port connects to the receive port of a fiber‐optic Fast Ethernet device at the other end of the segment.
Connecting to the Network Figure 3-17 Cable Connection to LC Fiber-Optic Connectors 1 LC port connector 2 LC cable connector 3 Release tab 4 Link/Activity LED 3. Plug the other end of the cable into the appropriate port on the other device. Some cables may be terminated at the other end with two separate connectors, one for each fiber‐optic strand. In this case, ensure that the transmit fiber‐optic strand is connected to the receive port and the receive fiber‐optic strand to the transmit port. 4.
Completing the Installation 5. Repeat steps 1 through 4, above, until all connections have been made. 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 rw (Read‐Write) or admin (superuser) for Username. 2.
Completing the Installation 3-26 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 Switch 4-8 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. A used battery may be safely disposed in a municipal waste stream.
Using LANVIEW Using LANVIEW These switches support the Enterasys Networks built‐in LANVIEW LED visual diagnostic and status monitoring system. The LANVIEW LEDs on the A2H123‐24 are 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 26/Stack 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.
Using the Reset Switch Using the Reset Switch If you forget the SecureStack A2 login password, use the Reset switch as described in the following procedure. Figure 4-2 Reset Switch Console CPU MGR RPS À 1 Reset 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 switch while the switch is operational.
A Specifications This appendix provides information about the following: For information about... Refer to page... Switch Specifications A-1 Fiber-Optic Specifications A-3 Console Port Pinout Assignments A-3 Torque Values A-4 Regulatory Compliance A-4 Enterasys Networks reserves the right to change the specifications at any time without notice. Switch Specifications Table A‐1 provides the I/O ports, processors and memory, physical, and environmental specifications for the A2H123‐24.
Switch Specifications Table A-1 A2H123-24 Switch Specifications (continued) Item Specification AC Input Specifications Input Voltage 100 – 240 VAC Input Current 1 A Max Frequency 50 – 60 Hz Processors/Memory Processor MPC8241, 266 MHz processor with a 33 MHz PCI and 133 MHz SDRAM Dynamic Random Access Memory (DRAM) 128 MB FLASH Memory 16 MB Physical Dimensions 4.4 H x 44.1 W x 21.0 D cm (1.7 H x 17.4 W x 8.27 D in.) Approximate Weight Gross: 3.4 kg (7.
Fiber-Optic Specifications Two 100BASE‐FX fiber ports (Multimode) with LC connectors are located on the front panel. The specifications shown in the following tables meet or exceed the IEEE 802.3z‐ 1998 standard. Table A-2 LC Port Optical Specifications 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 7.5 dBm Table A-3 LC Port Operating Range Item Modal Bandwidth @ 850 nm Range 62.
Torque Values Torque Values The following table describes the recommended torque values to use when installing the SecureStack switch using standard threaded fastener machine screws and bolts. Table A-4 Recommended Torque Values by Screw Size Screw Size Torque in Pounds Bit Size English Metric -%5 Nominal +%5 N/A N/A 1.42 1.5 1.57 0 2 – 56 1.5 2.85 3.0 3.15 0 4 – 40 2.5 4.75 5.0 5.25 0/1 6 – 32 3.5 8.55 9.0 9.45 1 8 – 32 4.5 17.10 18.0 18.90 2 10 – 32 5 30.40 32.
