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- Page 1 Enterasys ® Fast Ethernet Switch Hardware Installation Guide A4H124-24FX A4H254-8F8T P/N 9034608-03...
- Page 3 Enterasys Networks reserves the right to make changes in specifications and other information contained in this document and its web site without prior notice. The reader should in all cases consult Enterasys Networks to determine whether any such changes have been made.
- Page 4 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.
- Page 5 It is the users’ responsibility to utilize the available collection system to ensure WEEE is properly treated. For information about the available collection system, please go to www.enterasys.com/support/ or contact Enterasys Customer Support at 353 61 705586 (Ireland). Battery Notice This product contains a battery used to maintain product information.
- Page 6 SJ/T 11363-2006 standard. This table shows where these substances may be found in the supply chain of Enterasys’ electronic information products, as of the date of sale of the enclosed product. Note that some of the component types listed above may or may not be a part of the enclosed product.
- Page 7 Safety Information Class 1 Laser Transceivers The single mode interface modules use Class 1 laser transceivers. Read the following safety information before installing or operating these modules. The Class 1 laser transceivers use an optical feedback loop to maintain Class 1 operation limits. This control loop eliminates the need for maintenance checks or adjustments.
- Page 8 EC Directive 2006/95/EC EN 60950-1:2006 A11:2009 A1:2010 EN 60825-1:2007 EN 60825-2:2004 A1:2007 Equipment Type/Environment: Information Technology Equipment, for use in a Commercial or Light Industrial Environment. Enterasys Networks, Inc. declares that the equipment packaged with this notice conforms to the above directives.
- Page 9 CAREFULLY READ THIS LICENSE AGREEMENT. This document is an agreement (“Agreement”) between the end user (“You”) and Enterasys Networks, Inc., on behalf of itself and its Affiliates (as hereinafter defined) (“Enterasys”) that sets forth Your rights and obligations with respect to the Enterasys software program/firmware (including any accompanying documentation, hardware or media) (“Program”) in the package...
- Page 10 Agreement. 12. WAIVER. A waiver by Enterasys of a breach of any of the terms and conditions of this Agreement must be in writing and will not be construed as a waiver of any subsequent breach of such term or condition. Enterasys’ failure to enforce a term upon Your breach of such term shall not be construed as a waiver of Your breach or prevent enforcement on any other occasion.
- Page 11 14. TERMINATION. Enterasys may terminate this Agreement immediately upon Your breach of any of the terms and conditions of this Agreement. Upon any such termination, You shall immediately cease all use of the Program and shall return...
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Page 13: Table Of Contents
Contents About This Guide Who Should Use This Guide ..........................xv How to Use This Guide .............................xv Related Documents ............................xv Conventions Used in This Guide ........................xvi Power Supply Replacement Part Numbers ..................... xvi Getting Help ..............................xvii Chapter 1: Introduction Overview ................................. - Page 14 Connecting UTP Cables to RJ45 Ports ....................2-21 Preparing to Install an Optional SFP Transceiver .................. 2-22 Installing an Optional SFP Transceiver ....................2-22 Removing an SFP Transceiver ......................2-24 Connecting Fiber-Optic Cables to Fixed MT-RJ Ports ................2-25 Connecting Fiber-Optic Cables to SFP Ports ..................2-26 Completing the Installation ...........................
- Page 15 Figures A4H124-24FX Front Panel ......................... 1-2 A4H254-8F8T Front Panel ......................... 1-2 A4 Switch Back Panel ........................1-2 Area Guidelines for Switch Installation on Flat Surface..............2-3 Attaching the Rackmount Brackets ....................2-4 Fastening the Switch to the Rack ....................... 2-5 High-Speed Stacking Cable Connections ..................
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Page 17: About This Guide
The following manuals can be obtained from the World Wide Web in Adobe Acrobat Portable Document Format (PDF) at the following site: https://extranet.enterasys.com/downloads/ • Enterasys A4 CLI Reference describes how to use the Command Line Interface (CLI) to set up and manage the switches. Enterasys A4 Fast Ethernet Switch Hardware Installation Guide xv... -
Page 18: Conventions Used In This Guide
Conventions Used in This Guide • Enterasys Feature Guides describe how to configure some of the most important features of the switch firmware. 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. -
Page 19: Getting Help
Getting Help Getting Help For additional support related to the product or this document, contact Enterasys Networks using one of the following methods: World Wide Web www.enterasys.com/support/ Phone 1-800-872-8440 (toll-free in U.S. and Canada) or 1-978-684-1888 For the Enterasys Networks Support toll-free number in your country: www.enterasys.com/support/... - Page 20 Getting Help xviii About This Guide...
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Page 21: Chapter 1: Introduction
Introduction This chapter introduces the Enterasys A4 Fast Ethernet stackable switches. For information about... Refer to page... Overview Features Overview The A4 Fast Ethernet switches are store and forward stackable switches that can be adapted and scaled to help meet your network requirements. These stackable switches provide a management platform and an uplink to a network backbone for a stacked group of up to eight A4 switches. -
Page 22: A4H124-24Fx Front Panel
• Two Gigabit Ethernet SFP ports (labeled 19 and 20) Notes: Each SFP port supports the installation of 1000BASE-SX, 1000BASE-LX, or 1000BASE-T SFP pluggable transceivers. Figure 1-1 A4H124-24FX Front Panel Figure 1-2 A4H254-8F8T Front Panel Console port RJ45 10/100/1000 stack/uplink ports... -
Page 23: Features
Switch Configuration Using CLI Commands The CLI commands enable you to perform more complete stackable switch configuration management tasks. For CLI command set information and how to configure the module, refer to the Enterasys A4 CLI Reference. Standards Compatibility The 100BASE-T ports are compliant with the following standards and operations: •... - Page 24 Features • Auto-negotiation for Full-Duplex control operation 1-4 Introduction...
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Page 25: Considerations Prior To Installation
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. Enterasys A4 Fast Ethernet Switch Hardware Installation Guide 2-1... -
Page 26: Required Tools
Remove the tape seal on the non-conductive bag to remove the switch. Perform a visual inspection of the switch for any signs of physical damage. Contact Enterasys Networks if there are any signs of damage. Refer to “Getting Help” on page xvii for details. -
Page 27: Guidelines For Flat Surface Installation
To install the switch in a 19-inch rack, you need: • Two rackmount brackets and mounting screws (rackmount kit) shipped with the switch. • Four customer-supplied screws to attach the switch to a standard 19-inch rack. Enterasys A4 Fast Ethernet Switch Hardware Installation Guide 2-3... -
Page 28: Guidelines For Rackmount Installation
Rack Mounting the Switch 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. •... -
Page 29: Connecting Stacking Cables
STACK UP connector at the bottom of the stack closes the loop. In a daisy chain configuration, one cable connection is not made. Enterasys A4 Fast Ethernet Switch Hardware Installation Guide 2-5... -
Page 30: High-Speed Stacking Cable Connections
Connecting Stacking Cables Figure 2-4 High-Speed Stacking Cable Connections 1 Category 5 or better UTP cable 4 STACK UP connector at top of stack 2 STACK UP connector 5 STACK DOWN connector at bottom of stack 3 STACK DOWN connector After connecting the cables to the stacking ports, proceed to “Configuring Switches in a Stack”... -
Page 31: Configuring Switches In A Stack
12th Fast Ethernet port on switch number 4). The management election process uses the following precedence to assign a manager switch: Previously assigned/elected manager switch b. Management assigned priority (values 1–15) Hardware preference level d. Highest MAC Address Enterasys A4 Fast Ethernet Switch Hardware Installation Guide 2-7... -
Page 32: Stack Manager Selection
Connect to the Console port of the manager switch. (Optional) If desired, change the management switch using the set switch movemanagement command as described in the Enterasys A4 CLI Reference Guide. Once the desired master switch has been selected, reset the system using the reset command as described in the Enterasys A4 CLI Reference Guide. -
Page 33: Adding A New Switch To An Existing Stack
Apply power to the new switch. Important Considerations About Using Clear Config in a Stack When using the clear config command (as described in the Enterasys A4 CLI Reference Guide) to clear configuration parameters in a stack, it is important to remember the following: •... -
Page 34: Installing And Connecting A Redundant Power System
LED indications and troubleshooting, refer to Chapter 3, Troubleshooting. If you need additional help, contact Enterasys Networks. Refer to “Getting Help” on page xvii for details If the switch is a standalone switch, it will take approximately 30 seconds for the switch to start up. -
Page 35: Required Tools
2-2, and Table 2-3. Perform a visual inspection of the components for any signs of physical damage. Contact Enterasys Networks if there are any signs of damage. Refer to “Getting Help” on page xvii for details. Table 2-1 Contents of STK-RPS-150CH2 Carton... -
Page 36: Stk-Rps-150Ps Installation In An Stk-Rps-150Ch2 Shelf
Installing and Connecting a Redundant Power System When you receive your STK-RPS-150CH8 shelf, a coverplate will be in place over each power-supply slot. To install the power supplies, refer to Figure 2-6 Figure 2-7 and proceed as follows: Place the chassis on a sturdy flat surface where you plan to install power supplies. Align the power supply with one of the slots, then slide the power supply forward until its front panel is flush against the chassis front panel. -
Page 37: Removing An Installed Stk-Rps-150Ps
Pull the power supply out and remove it from the chassis. Repeat steps 1 through 3 for each additional power supply you plan to remove. Optionally, reinstall coverplates over empty slots. Coverplates are not required. Enterasys A4 Fast Ethernet Switch Hardware Installation Guide 2-13... -
Page 38: Installing The Shelf Into The Rack
Installing and Connecting a Redundant Power System Installing the Shelf into the Rack To install an STK-RPS-150CH2 or STK-RPS-150CH8 into a 19-inch (48.3-cm) rack, you need the following: • For the STK-RPS-150CH2: four customer-supplied screws to fasten the shelf to the rack rails •... -
Page 39: Fastening The Stk-Rps-150Ch2 To The Rack
Fasten the chassis securely to the rails using the customer-supplied mounting screws (four for the STK-RPS-150CH2, ten for the STK-RPS-150CH8). Figure 2-8 Fastening the STK-RPS-150CH2 to the Rack 1 STK-RPS-150CH2 chassis 3 Mounting screws 2 Rails of 19-inch rack Enterasys A4 Fast Ethernet Switch Hardware Installation Guide 2-15... -
Page 40: Connecting The Rps Cable And Ac Power Cord
Check the AC power connection to the RPS. Swap the AC power cord with a known good one. d. If the green LED continues to remain off, contact Enterasys Networks. Refer to “Getting Help” on page xvii for instructions. Otherwise, proceed to step 4. -
Page 41: Power Connectors On Stk-Rps-150Ps (Rear View)
If the switch itself is not plugged into power, the front panel RPS LED indicator will show that a redundant power supply is now in operation. Note: No change in switch device configuration is necessary for this installation. This completes the installation. Enterasys A4 Fast Ethernet Switch Hardware Installation Guide 2-17... -
Page 42: Connecting To The Console Port For Local Management
Connecting to the Console Port for Local Management Connecting to the Console Port for Local Management This section describes how to install an RS232 DTE interface cable to a PC, a VT series terminal, or a modem to the A4 for out-of-band sessions using CLI commands. Note: When switches are connected in a stack configuration and all high-speed stacking cables are connected before powering up the switches, one switch in the stack will be automatically designated as the Manager of the stack and its Console port will remain active. -
Page 43: Connecting To A Pc
Transmit=9600 Bits Parity 8 Bits, No Parity Stop Bit 1 Stop Bit When these parameters are set, the Startup screen will display. Proceed to “Connecting to the Network” on page 2-20. Enterasys A4 Fast Ethernet Switch Hardware Installation Guide 2-19... -
Page 44: Connecting To A Modem
Connecting to the Network Connecting to Modem Connecting to a Modem To connect a modem to the A4 Console port, use a UTP serial interface cable terminated with a DB9 female connector and a DB25 male connector and proceed as follows: Connect the DB9 female connector at one end of the cable to the Console port DB9 connector on the A4 switch. -
Page 45: Connecting Utp Cables To Rj45 Ports
Verify that the RJ45 connectors on the twisted pair segment have the proper pinouts and check the cable for continuity. If a link is not established, contact Enterasys Networks. Refer to “Getting Help” on page xvii for details. -
Page 46: Preparing To Install An Optional Sfp Transceiver
Connecting to Modem Preparing to Install an Optional SFP Transceiver Before removing the pluggable transceiver from the antistatic packaging, Enterasys Networks recommends that you use an antistatic wrist strap (not supplied) to prevent damage from static discharge. To use the wrist strap, refer to the instructions provided with your antistatic wrist strap. -
Page 47: Installing An Sfp Transceiver With Rj45 Connector
Installing an SFP Transceiver with RJ45 Connector SFP slot Release tab SFP transceiver Link/Activity LED Figure 2-15 Installing an SFP Transceiver with MT-RJ Connector SFP slot Release tab SFP transceiver Link/Activity LED Enterasys A4 Fast Ethernet Switch Hardware Installation Guide 2-23... -
Page 48: Removing An Sfp Transceiver
Connecting to the Network Connecting to Modem Figure 2-16 Installing an SFP Transceiver with an LC connector SFP slot Release tab SFP transceiver Link/Activity LED Removing an SFP Transceiver Caution: Do NOT remove the SFP from the port slot without releasing it. The SFP is released by pulling down on its wire handle. -
Page 49: Connecting Fiber-Optic Cables To Fixed Mt-Rj Ports
Transmit (TX) and Receive (RX). The transmit strand from an A4H124-24FX or A4H254-8F8T fixed MT-RJ port connects to the receive port of a fiber-optic 100BASE-FX Ethernet device at the other end of the segment. The receive strand of the applicable MT-RJ port on the switch connects to the transmit port of the fiber-optic 100BASE-FX Ethernet device. -
Page 50: Connecting Fiber-Optic Cables To Sfp Ports
Connecting to the Network Connecting to Modem Figure 2-17 Connecting a Fiber-Optic Cable Segment to Fixed MT-RJ Port MT-RJ cable connector MT-RJ front panel port Front panel port Link/Activity LED Connecting Fiber-Optic Cables to SFP Ports Before connecting cables to SFP ports, you must install the appropriate transceiver as described in “Installing an Optional SFP Transceiver”... -
Page 51: Completing The Installation
For details on how to configure the switch using the command line interface, refer to the Enterasys A4 CLI Reference Guide. The CLI commands enable you to set a new password and perform more involved management configurations on the switch. One of many capabilities is... - Page 52 Completing the Installation Connecting to Modem 2-28 Installation...
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Page 53: Chapter 3: Troubleshooting
Warnhinweis: Ist der Stromkreis in Betrieb dürfen keine Verbindungen getrennt oder hergestellt werden, es sei denn, die Umgebung gilt als ungefährlich. Alle externen Verbindungen zu diesem Gerät müssen mithilfe von Schrauben, Sicherheitsvorrichtungen o. ä. gesichert werden. Enterasys A4 Fast Ethernet Switch Hardware Installation Guide 3-1... -
Page 54: Checking The Leds
Checking the LEDs Checking the LEDs The following sections define the behavior of the LEDs on the A4 chassis models. The LEDs on all chassis are located in the same location on the front panel. Refer to Figure 3-1 for the location of the LEDs on the chassis. Figure 3-1 A4 Chassis LEDs (A4H254-8F8T shown) Recessed Password Reset Button... -
Page 55: Rps Led
3. If the problem still exists, contact Enterasys Networks for technical support. Green Solid. Valid connection to switch stack None. down connector. Blinking. Information is being transferred None. through the stacking cable. Enterasys A4 Fast Ethernet Switch Hardware Installation Guide 3-3... -
Page 56: Down Led
1. Make sure the switch connected to the connector. stack up 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 stack up None. connector. -
Page 57: Link/Activity Leds
Replace cable. Green Solid. Port is linked, but the interface is None. not receiving any traffic. Blinking. Port is linked and traffic is being None. received or transmitted by the interface. Enterasys A4 Fast Ethernet Switch Hardware Installation Guide 3-5... -
Page 58: Troubleshooting Checklist
If the problem continues, contact Enterasys Networks for technical support. Port(s) goes into Loop condition detected. Verify that Spanning Tree is enabled. Refer to the Enterasys A4 CLI standby for no Reference for the instructions to set the type of STA. apparent reason. -
Page 59: Using The Password Reset Button
To access switch management from your local PC, terminal, or modem connection, refer to the Enterasys A4 CLI Reference for instructions on how to log in and enter a new password. If you require assistance, contact Enterasys Networks using one of the methods described in “Getting... - Page 60 Removing the Switch from a Rack 3-8 Troubleshooting...
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Page 61: Appendix A: Specifications
Torque Values Pluggable Transceiver Specifications Console Port Pinout Assignments Regulatory Compliance Enterasys Networks reserves the right to change 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 A4 models. - Page 62 Operational up to 10,000 feet Non-operationally tested to 15,000 feet Performance Throughput capacity wirespeed Mpps • A4H124-24FX — 9.5 Mpps / 76.2 Mpps (switch/stack) • A4H254-8F8T — 8.3 Mpps / 66.7 Mpps Switching capacity (switch/stack) • A4H124-24FX — 12.8 Gbps / 102.4 Gbps •...
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Page 63: Fixed Mt-Rj Port Specifications
22.26 H x 44.0 W x 26.4 D (cm) 8.77 H x 17.3 W x 10.4 D (in.) Net Weight (Unit Only) 5.27 kg (11.6 lb) Gross Weight (Packaged Unit) 6.5 kg (14.3 lb) Enterasys A4 Fast Ethernet Switch Hardware Installation Guide A-3... -
Page 64: Stk-Rps-150Ps Specifications
Redundant Power Supply Specifications STK-RPS-150PS Specifications Table A-5 provides the specifications for the STK-RPS-150PS. Table A-5 STK-RPS-150PS Specifications Item Specification Electrical AC Input Frequency Range 47–63 Hz AC Input Voltage Range 85–264 Vac Output Voltage 12 Vdc Output Current 1.0 A min., 8.5 A or 13.0 A max. Maximum Output Power 102 W or 156 W continuous Physical... -
Page 65: Torque Values
Refer back to Figure 2-12 on page 2-18 for information about console port pinout assignments. Regulatory Compliance This product meets the safety, electromagnetic compatibility (EMC), and environmental requirements listed in Table A-8. Enterasys A4 Fast Ethernet Switch Hardware Installation Guide A-5... -
Page 66: Compliance Standards
Regulatory Compliance Table A-8 Compliance Standards Regulatory Compliance Standard Safety UL 60950-1, FDA 21 CFR 1040.10 and 1040.11, CAN/CSA C22.2 No. 60950-1, EN 60950-1, EN 60825-1, EN 60825-2, IEC 60950-1, 2006/95/EC (Low Voltage Directive) Electromagnetic Compatibility (EMC) FCC 47 CFR Part 15 (Class A), ICES-003 (Class A), EN 55022 (Class A), EN 55024, EN 61000-3-2, EN 61000-3-3, AS/NZ CISPR-22 (Class A).
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