Manuale d’uso / di manutenzione del prodotto A2H123-24 del fabbricante Enterasys Networks
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7.5x9-inch cover with bleed on 4 sides Secur eStack A2 Fast Ether net Switch Hardware Installation Guide A2H123-24 P/N 9034353-01.
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i Notice Enterasys Networks reserv es the right to make changes in specifica tions and other information contained in this document and its web site without prior notice.
ii REGULATORY COMPLIANCE INFORMATION FEDERAL COMMUNICATIONS CO MM ISSION (FCC) NO TICE This device com plies with Par t 15 of the FC C 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 61000 ‐ 3 ‐ 2, EN 61000 ‐ 3 ‐ 3, EN 55024, AS/NZS CISPR 22, VCCI V ‐ 3.
iv ѻ ѻ ક䇈ᯢк䰘ӊ Supplement to Product Instructions ᳝↦᳝ᆇ⠽䋼ܗ㋴ (Hazardous Substance) 䚼ӊৡ⿄ (Parts) 䪙 3E ∲ +J 䬝 &G ݁Ӌ䫀 .
v VCCI NOTICE This is a class A product based on the standard of the Vo l u n t a r y Control Co uncil for Interferen ce by Information Te c h n o l o g y Equipment (VCCI).
vi 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, Ltd.
vii ENTERASYS NETWORKS, INC. FIRMWARE LICENSE AGREEMENT BEFORE OPENING OR UTILIZING 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.
viii 3. APPLICABLE LAW. This Agreem ent shall be interpreted and governed under the laws and in the state and federal cour ts of the Commonwealth of Massachusetts wit hout regard to its conflicts of laws prov isions.
ix 8. AUDIT RIGHTS. You here by acknowl edge that the intell ectual property rights associated with the Program are of critical value .
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xi Contents About This Guide Who Should Use This G uide ........ ................... .................... ................... ................... ................ .......... xv How to Use This Guide ................ ................... ...............
xii Connecting to Console Port for Local Management ........................ ... ................ ................... .......... 3-15 What Is Needed .................. ................... ................... .................... ................... ..
xiii A-1 Console Port Pinout Assignments ................. ................... .................... ................... .............. A-3 Tables 3-1 Contents of Switch Cart on .................. .................... ................... ..............
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SecureStack A2 Installation Guide xv About This Guide This guide provides an ov erview , installati on and troubleshooting instructio ns, and specifications for the Enterasys ® SecureStack A2H123 ‐ 24 stackable Ethernet switch.
How to Use This Guide xvi 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 switches.
Conventions Used in This Guide SecureStack A2 Installation Guide xvii 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.
Getting Help xviii About This Guide Getting Help For additional support related to the SecureStack A2 or this document, contact Enterasys Networks u.
SecureStack A2 Installation Guide 1-1 1 Introduction This chapter introduces the A2H123 ‐ 24 stackable switch. Overview The A2H123 ‐ 24 is a stackable Fast Ethernet switch, which can be adapted and scaled to help meet you r network needs.
Overview 1-2 Introduction • 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.
Connectivity SecureStack A2 Installation Guide 1-3 S t ack Connections The switches hav e front ‐ panel RJ45 connectors for connections in a stack configuration.
Standards Compatibility 1-4 Introduction Switch Configuration Using CLI Commands The CLI commands enable you to perform more complete SecureSt ack A2 configuration management tasks.
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 Network 2-2 Network Requirements 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.
SecureStack A2 Installation Guide 3-1 3 Hardware Installation This chapter provides instructions on how to install the A2H123 ‐ 24. 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 fol lowing: •B e f o r e starting the installation procedure, notify the network administrator of the installation.
Installing the Switch on a Flat Surface SecureStack A2 Installation Guide 3-3 Inst alling the Switch on a Flat Surface When installing the switch on a flat surface, the.
Installing the Switch on a Flat Surface 3-4 Hardware Installation Figure 3-1 Chassis Bottom, Rubber Feet Placemen t 1 Bottom of chassis as seen when chassis is resting on its back 3 Rubber feet with a.
Installing the Switch on a Flat Surface SecureStack A2 Installation Guide 3-5 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 ‐ 2 .
Rack Mounting the Switch 3-6 Hardware Installation Rack Mounting the Switch To install the switch in a 19 ‐ inch ra ck, yo u need: •T w o rackmount brackets and mounting screws (rackmount kit) shipped with the switch.
Connecting Stacking Cables SecureStack A2 Installation Guide 3-7 Figure 3-3 Att aching the Rackmount Bracket s 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 ‐ 4 .
Connecting Stacking Cables 3-8 Hardware Installation Figure 3 ‐ 5 shows an example of a four ‐ high stack connected in a closed loop configuration. All ST AC K DOWN and ST ACK UP connectors are used in the installation.
Configuring Switches in a Stack SecureStack A2 Installation Guide 3-9 Configuring Switches in a S t ack The information in the following sections is important to understand A2 switch operation and installations in a stack installation.
Configuring Switches in a Stack 3-10 Hardware Installation 3. The management election process uses the f ollowing precedence to assign a management switch: a. Previously assigned/elected manage ment switch b.
Configuring Switches in a Stack SecureStack A2 Installation Guide 3-11 3. Once the desired master un it has been selected, rese t the system using the reset command.
Connecting AC and RPS-SYS Power 3-12 Hardware Installation Connecting AC and RPS-SYS Power AC Power To connect a switch to the AC pow er source, refer to Figu re 3 ‐ 6 and proceed as follows: 1.
Connecting AC and RPS-SYS Power SecureStack A2 Installation Guide 3-13 Figure 3-6 Switch Rear Vi ew 3. Observe the pow er CPU LED (not shown), located on the front panel.
Connecting AC and RPS-SYS Power 3-14 Hardware Installation 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 SecureStack A2 Installation Guide 3-15 S tack Initialization Overview When you install and connect all the stacking cabl.
Connecting to Console Port for Local Management 3-16 Hardware Installation Using a DTE modem DB9 female ‐ to ‐ DB25 female cable, you can connect produc.
Connecting to Console Port for Local Management SecureStack A2 Installation Guide 3-17 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 3-18 Hardware Installation When these parameters are set, the Startup screen will display . Proceed to “ Connecting to the Network ” on page 3 ‐ 19.
Connecting to the Network SecureStack A2 Installation Guide 3-19 When these parameters are set, the Startup screen will display . If the switches ar e in a stacked configuration, proceed to “ Connecting to the Network ” on page 3 ‐ 19.
Connecting to the Network 3-20 Hardware Installation To connect twisted pair seg ments to the switch, refer to Figure 3 ‐ 12 and proceed as follows: 1.
Connecting to the Network SecureStack A2 Installation Guide 3-21 d. Ensure that the twisted pai r connection meets the dB loss and cable specifications outlined in the Cabling Guide.
Connecting to the Network 3-22 Hardware Installation Figure 3-15 Eight-W ire Crossover Cable RJ45 Pinout s for 1000BASE-TX Figure 3-16 Eight-Wi re Straight-Thr ough Cable RJ45 Pinout s for 1000BASE-TX.
Connecting to the Network SecureStack A2 Installation Guide 3-23 Connecting Fiber-Opti c Cables to LC Port s This section describes how to connect a 100BASE ‐ FX multimode fiber ‐ optic segment from the network or other devices to an LC port connector .
Connecting to the Network 3-24 Hardware Installation Figure 3-17 Cable Connection t o LC Fiber-Optic Connectors 3. Plug the other end of the cable into the appropriate port on the other devi ce.
Completing the Installation SecureStack A2 Installation Guide 3-25 5. Repeat steps 1 through 4, above, unt il all connections hav e been made.
Completing the Installation 3-26 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 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 .
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 26/S tack Down Of f 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 an 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 Switch 4-8 Troubleshooting Using the Reset Switch If you forget the SecureSt ack A2 login passw ord, use the Reset switch as describe d in the following procedure.
SecureStack A2 Installation Guide A-1 A Specifications This appendix provides information about the foll owing: Enterasys Networks reserves the right to change the specifications at any time without notice.
Switch Specifications A-2 Specifications AC Input Specifications Input V oltage 100 – 240 V AC Input Current 1 A Max Frequency 50 – 60 Hz Processors/Memory Processor MPC8241, 266 MHz proce ssor with a 33 MHz PCI and 133 MHz SDRAM Dynamic Random Access Memory (DRAM) 128 MB FLASH Memory 16 MB Physical Dimensions 4.
SecureStack A2 Installation Guide A-3 Fiber-Optic S pecifications Tw o 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.
Torque Values A-4 Specifications T orque V alues The following table describes the recommended torque val u es to use when installing the SecureStack switch using standard threaded fastener machine screws and bolts.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Enterasys Networks A2H123-24 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Enterasys Networks A2H123-24 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Enterasys Networks A2H123-24 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Enterasys Networks A2H123-24 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Enterasys Networks A2H123-24, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Enterasys Networks A2H123-24.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Enterasys Networks A2H123-24. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Enterasys Networks A2H123-24 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
