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7.5x9-inch cover with bleed on 4 sides Secur eStack A2 Fast Ether net Switches Hardware Installation Guide A2H254-16 P/N 9034173.
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i Notice Enterasys Networks reserves the right to make changes in specifications and ot her information contained in this document and its web site without prior notice.
ii Regulatory Compliance Information Federal Communications Commission (FCC) Notice This device com plies with Pa r t 15 of the FCC rules.
iii Electromagnetic Compatibility (EMC) This product complies with the following : 47 CFR Par t s 2 and 15, CSA C108.8, 89/336/EEC, EN 55022, EN 6100 0 ‐ 3 ‐ 2, EN 61000 ‐ 3 ‐ 3, EN 55024, AS/NZS CISPR 22, VCCI V ‐ 3.
iv European Waste Electrical and Electronic Equipment (WEEE) Notice In accordance with Directive 200 2/96/EC of the European P arliament on was te elect rical and electronic equipmen t (WEEE): 1.
v Declaration of Conformity Application of Co uncil Directiv e(s): 89/336/EEC 73/23/EEC Manufacturer’s Na me: Enterasys Networks, Inc. Manufacturer ’ s Address: 50 Minuteman Road Andover, MA 01810 USA European Representativ e Address: Enterasys Networks, Lt d.
vi Enterasys Networks, Inc. Firmware License Agreement BEFORE OPENING OR UTILIZIN G THE ENCLOSED PRODUCT, CAREFULLY READ THIS LICENSE AGREEMENT. This document is an agreement (“ Agreement”) betwee n the end user (“Y ou”) and Enterasys Netw orks, Inc.
vii 3. APPLICABLE LAW. This Agreem ent 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.
viii 8. AUDIT RIGHTS. You here by acknowled ge that the inte llectual property rights associated with the Program are of critical va.
ix Contents About This Guide Who Should Use This G uide ........ ................... .................... ................... ................... ................ .......... xiii How to Use This Guide ................ ................... .............
x Configuring Switches in a Stack .................. ................... .................... ................... ................... .... ... 3-12 About SecureStack A2 Switch Op eration in a Stack ................. ................... ...............
xi Figures 1-1 A2H254-16 Stackable Switch..... ................... ....................... ................... ................... ............ 1 -3 3-1 Mini-GBIC with RJ45 Connector ......... .................... ...................... ..............
xii.
SecureStack A2 Inst allation Guide xiii About This Guide This guide provides an ov erview of installation, troubleshooting, and specificat ions for the Enterasys ® SecureStack A2H254 ‐ 16 stackable Ethernet switch.
How to Use This Guide xiv About This Guide How to Use This Guide Read through this guide completely to familiarize you rs el f with its contents and gain an understanding of the features and capabilities of the stackable Ethernet switch.
Conventions Used in This Guide SecureStack A2 Installation Guide x v 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 import ance.
Conventions Used in This Guide xvi About This Guide.
SecureStack A2 Installation Guide 1-1 1 Introduction This chapter introduces the A2H254 ‐ 16 stackable Fast Ethernet switch.
Overview 1-2 Introduction The switch also suppo rts the use of a redundant DC power supply to help prev ent downtime due to an internal pow er supply failure in the switch or AC power source.
Overview SecureStack A2 Installation Guide 1-3 Figure 1- 1 A2H254-16 S ta ckable Switch S tack Connections The switch has front ‐ panel RJ45 ports 17 and 18 for connections in a stack configuration.
Connectivity 1-4 Introduction Connectivity The SecureStack A2 switch connects to Ethernet networks or w orkstations via the fixed front panel MT ‐ RJ and RJ45 ports and the tw o SFP uplink ports that support optional Mini ‐ GBICs.
Management SecureStack A2 Installation Guide 1-5 Management Management of the mod ule can be either in ‐ band or out ‐ of ‐ band.
Getting Help 1-6 Introduction Getting Help For additional support related to the SecureStack A2 or this document, contact Enterasys Netw orks us.
SecureStack A2 Installation Guide 2-1 2 Network Requirements Before inst alling the device, review the requirements and spec ifications in this chapter .
100BASE-TX Twisted Pair Network 2-2 Network Requirements 100BASE-TX T wisted Pair Network When connecting a 100BASE ‐ TX segment to one of the fixed RJ45 ports (odd numbered ports 1 ‐ 15), use Category 5 UTP cabling.
1000BASE-FX Fiber-Optic Network SecureStack A2 Installation Guide 2-3 1000BASE-FX Fiber-Optic Network The Mini ‐ GBIC port sockets 19 and 20 on the A2H254 ‐ 16 enable yo u to va r y the type of 1 ‐ Gbps port connection.
1000BASE-FX Fiber-Optic Network 2-4 Network Requirements.
SecureStack A2 Installation Guide 3-1 3 Hardware Installation This chapter provides instructions to install the A2H254 ‐ 16. Follow the order of the sections listed below to correctly install the switch .
Considerations Prior to Installation 3-2 Hardware Installation Considerations Prior to Inst allation When installing the switch , note the following : •B e f o r e starting the installation procedure, notify the network administrator of the installation.
Installing Optional Mini-GBICs SecureStack A2 Installation Guide 3-3 Inst alling Optional Mini-GBICs This section describes how to install Mini ‐ GBICs in the SFP port slots 19 and 20 on the A2H254 ‐ 16.
Installing Optional Mini-GBICs 3-4 Hardware Installation Inst allation To install a Mini ‐ GBIC that has an RJ45 connector, refer to Figure 3 ‐ 1 ; .
Installing Optional Mini-GBICs SecureStack A2 Installation Guide 3-5 Figure 3-2 Mini-GBIC with MT -RJ Connector 1 SFP Slot 3 Release tab 2 Mini-GBIC (MGBIC-MT01) 4 Link/Activity LED.
Installing Optional Mini-GBICs 3-6 Hardware Installation Figure 3-3 Mini-GBIC with LC Connector Removing the Mini-GBIC 1 SFP Slot 3 Release tab 2 Mini-GBIC (MGBIC-LC01,-LC03, -LC09, MGBIC-08) 4 Link/Activity LED Caution: Do NOT remove a Mini-GBIC from a slot without relea sing the locking tab located under the front bottom end of the Mi ni-GBIC.
Installing the Switch on a Flat Surface SecureStack A2 Installation Guide 3-7 To re move a Mini ‐ GBIC from a port slot, refer back to Figure 3 ‐ 1 , Figure 3 ‐ 2 , or Figure 3 ‐ 3 , and proceed as follows: 1.
Installing the Switch on a Flat Surface 3-8 Hardware Installation Figure 3-4 Chassis Bottom, Rubber Feet Placement Guidelines for Flat Surface Inst allation Locate the switch within 152 cm (5 ft) of its pow er source and on a surface as shown in Figure 3 ‐ 5 .
Rack Mounting the Switch SecureStack A2 Installation Guide 3-9 If you are installing sev eral switch es in a stack, proceed to “ Connecting Sta cking Cables ” on page 3 ‐ 11.
Rack Mounting the Switch 3-10 Hardware Installation Guidelines for Rackmount Inst allation The installation site must be withi n reach of the network cablin g .
Connecting Stacking Cables SecureStack A2 Installation Guide 3-11 2. With the mou nting brackets attached, position the switch between the vert ical frame members of the 19 ‐ inch rack as shown in Figure 3 ‐ 7 .
Configuring Switches in a Stack 3-12 Hardware Installation Figure 3-8 S tacking Cable Conn ections After connecting the cables to the stacking ports, proceed to “ Configuring Switches in a Stack ” on page 3 ‐ 12 for instructions.
Configuring Switches in a Stack SecureStack A2 Installation Guide 3-13 Once installed in a stack, the switches behave and perform as a single switch.
Configuring Switches in a Stack 3-14 Hardware Installation Recommended Procedures for New and Existing S tacks Inst alling a New St ackable Syst em of Up to Eight Switches Use the following procedure to install a new stack of up to eight switches out of the box.
Connecting AC and RPS-SYS Power SecureStack A2 Installation Guide 3-15 Adding a New Switch to an Existing St ack Use the following procedure to install a new switch to an existing stack configuration.
Connecting AC and RPS-SYS Power 3-16 Hardware Installation Figure 3-9 Switch Rear V iew 3. Observe the pow er CPU LED (not shown), located on the front panel.
Connecting AC and RPS-SYS Power SecureStack A2 Installation Guide 3-17 C2RPS-SYS Redundant Power System If you are installing an optional re dundant power system (C2RPS ‐ SYS), refer to the installation instructions supplied with the Secure Stack RPS.
Connecting to Console Port for Local Management 3-18 Hardware Installation S tack Initialization Overview When you install and connect all the stacking cables to .
Connecting to Console Port for Local Management SecureStack A2 Installation Guide 3-19 Using a DTE modem DB9 female ‐ to ‐ DB25 female cable, you can connec.
Connecting to Console Port for Local Management 3-20 Hardware Installation When these parameters are set, the Startup screen will display . Proceed to “ Connecting to the Network ” on page 3 ‐ 23 .
Connecting to Console Port for Local Management SecureStack A2 Installation Guide 3-21 When these parameters are set, the Startup screen will display . Proceed to “ Connecting to the Network ” on page 3 ‐ 23 .
Connecting to Console Port for Local Management 3-22 Hardware Installation When these parameters are set, the Startup screen will display .
Connecting to the Network SecureStack A2 Installation Guide 3-23 Connecting to the Network This section provides the procedure to connect fiber ‐ optic cables from the fi xed front panel MT ‐ RJ ports to the network or other devi ces.
Connecting to the Network 3-24 Hardware Installation 2. Insert the MT ‐ RJ cable connector into the MT ‐ RJ front panel port unti l it clicks into place.
Connecting to the Network SecureStack A2 Installation Guide 3-25 3. V erify that a link exists by chec king that the Link/Act ivity LED is ON (solid green or blinking green).
Connecting to the Network 3-26 Hardware Installation To connect an MT ‐ RJ cable to a fixed MT ‐ RJ connector of a Mini ‐ GBIC: 1.
Connecting to the Network SecureStack A2 Installation Guide 3-27 Connecting Fiber-Optic Cabl es to LC Mini -GBIC Port s This section describes how to connect •a 100 0BASE.
Connecting to the Network 3-28 Hardware Installation To connect an LC cable connector to a fixed LC connector of a Mi ni ‐ GBIC: 1.
Connecting to the Network SecureStack A2 Installation Guide 3-29 Connecting UTP Cabl es to RJ45 Port s The fixed RJ4 5 front panel 10/100 Mbps ports and the RJ45 Mini ‐ GBIC (MGBIC ‐ 02) Gigabit ports are both internally crossed.
Connecting to the Network 3-30 Hardware Installation 3. V erify that a link exists by chec king that the Link/Act ivity LED is ON (solid green or blinking green).
Connecting to the Network SecureStack A2 Installation Guide 3-31 Figure 3-17 Four-Wire Crossov er Cable RJ45 Pinouts f or 10/100BASE-TX Figure 3-18 Four-Wire S traight-Through Cable RJ45 Pinout s for .
Connecting to the Network 3-32 Hardware Installation Figure 3-19 Eight-W ire Crossover Cable RJ45 Pinout s for 10/100/1000BASE-TX Figure 3-20 Eight-W ire Straight- Through Cable RJ45 Pinout s for 10/1.
Completing the Installation SecureStack A2 Installation Guide 3-33 Completing the Inst allation After installing the switch and making the connections to the net work, access the switch management, as described below .
Completing the Installation 3-34 Hardware Installation.
SecureStack A2 Installation Guide 4-1 4 T roubleshooting This chapter provides information concerning the following: This device contains a battery that is not considered a user replaceable part.
Using LANVIEW 4-2 Troubleshooting Using LANVIEW The A2H254 ‐ 16 supports the Enterasys Netw orks bui lt ‐ in LANVIEW LED visual diagnostic and status monitoring system.
Using LANVIEW SecureStack A2 Installation Guide 4-3 T able 4-1 LANVIEW LEDs LED Color State Recommended Acti on 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).
Using LANVIEW 4-4 Troubleshooting 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 goo d one. 3. If the problem still exists, contact Enterasys Networks for technical support.
Using LANVIEW SecureStack A2 Installation Guide 4-5 RPS Off The RPS LED remains off regardless if the RPS is atta ched or not. The L ED being in its off st ate is not a n indication that the RPS is not functioning properly and won’t supply power in the event of an AC power supply failure.
Troubleshooting Checklist 4-6 Troubleshooting T roubleshooting Checklist If the device is not work in g properly , refer to Ta b l e 4 ‐ 2 for a checklist of problems, possible causes, and recommended actions to resolve the problem.
Troubleshooting Checklist SecureStack A2 Installation Guide 4-7 Cannot contact the SecureS tack A2 through in-band management. IP address not assigned. Refer to the SecureSt ack A2 Configuration Guide for the IP address assignment procedure. Port is disabled .
Using the Reset Password Button 4-8 Troubleshooting Using the Reset Password Button If you forget the SecureSt ack A2 login passw ord, use the Reset Pas s w o rd button as described in the following procedure.
SecureStack A2 Installation Guide A-1 A Specifications This appendix provides information about the foll owing: Enterasys Netw orks reserves the right to change the specifications at any time without notice.
Switch Specifications A-2 Specifications Dimensions 44.1 cm (17.36 in.) W x 4.4 cm (1.73 in.) H x 21.0 cm (8. 27 in.) D Approximate Weight Gross: Net: 3.5 kg (7.68 lb) (shipping carton containing one module) 2.7 kg (5.94 lb) (one module without packaging) Heat Dissipation (maximum) 174 BTU/HR Power Amperage 1 10 V/0.
Mini-GBIC Input/Output Specifications SecureStack A2 Installation Guide A-3 Mini-GBIC Input/Output S pecifications The Mini ‐ Gigabit Ethernet Card (Mini ‐ GBIC) port interface slots can support 1 ‐ Gbps fiber ‐ optic connections as described in Ta b l e A ‐ 2 .
Gigabit Ethernet Specifications A-4 Specifications Gigabit Ethernet S pecifications The following specifications for the Mini ‐ GBICs shown in Ta b l e A ‐ 3 through Ta b l e A ‐ 11 meet or exceed the IEEE 802.
Gigabit Ethernet Specifications SecureStack A2 Installation Guide A-5 MGBIC-LC09 S pecific ations (1000BASE-LX) T able A-6 MGBIC-LC03 Operating Range Item Modal Bandwid th @ 1310 nm Range 62.5 µm MMF 160 MHz/km 2,000 Meters 50 µm MMF 400 MHz/km 2,000 Meters T able A-7 MGBIC-LC09 Optical S pecifications Item 62.
Gigabit Ethernet Specifications A-6 Specifications MGBIC-08 Specificati ons (1000BASE-ELX) MGBIC-02 Specifications (1000BASE-T) T able A-9 MGBIC-08 Optical Spec ifications Item T ransmit Power (minimum) -0 dBm, min. +2 dBm, typical +5 dBm, max. Receive Sensitivity -24 dBm, min.
Console Port Pinout Assignments SecureStack A2 Installation Guide A-7 Console Port Pinout Assignment s The Console port is a DB9 serial communications port for local access to Local Management.
Regulatory Compliance A-8 Specifications.
Index-1 Index Numerics 1000BASE-FX requirements 2-3 1000BASE-T requirements 2-2 100BASE-FX requirements 2-2 100BASE-T requirements 2-2 10BASE-T requirements 2-1 A A2H254-16 overview of 1-2 C Cable fib.
Index-2 P Pinout assignments UTP 4-wire crossover cable 3-3 1 UTP 4-wire straight-through cable 3-31 UTP 8-wire crossover cable 3-3 2 UTP 8-wire straight-through cable 3-32 Power connection AC 3-15 RP.
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