Manuale d’uso / di manutenzione del prodotto 8800 del fabbricante 3Com
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3Com ® Switch 8800 Power Over Ether net Installation Guide www.3Com.com Part Number: 10015270 Rev. AA Published: July 2006.
3Com Corporation 350 Campus Drive Marlbor ough, MA USA 01752-3064 Copyright © 2006, 3Com Corporati on. All rights reserv ed. No part of this documentation may be r eproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permission from 3Com Corpo ration.
C ONTENTS 3 C ONTENTS 1 I NTRODUCTION Switch 8800 PoE Power Rack 5 Features 5 Architectur e and Configurations 5 2 S YSTEM D ESCRIPTION Overview 9 Power Supply Modules 9 PoE Power Rack 9 Power Supply .
4 C ONTENTS.
1 I NTR ODUCTION Switch 8800 PoE Power Rack The 3Com Switch 8800 PoE power rack is a modular , stand-alo ne Power over Ether net (PoE) power sour ce. The PoE Power Rack provides a total of 4500 W atts of DC power with 2+1 power redundancy for PoE powered devi ces connected to the Switch 8800 chas sis.
6 C HAPTER 1: I NTRODUCTION Figure 1 The PoE Power Rack Figure 2 The PoE Power Rack (Rear View) Refer to F igur e 3 for the fron t view of a f ully equippe d PoE power rack.
Architecture and Conf igurations 7 Figure 3 The PoE Power Rack Configur ed with Three Power Supply Modules (Fr ont VIew).
8 C HAPTER 1: I NTRODUCTION.
2 S YSTEM D ESCRIPTION Overview Figur e 4 shows the schematic diagra m of the PoE Power Rack power system, showing the interconnections and signal flow through the power supply modules and inter nal components. Figure 4 Schematic Diagram of the PoE Power Rack Power Supply Modules DC power is supplied to the power bus by the power supply modules.
10 C HAPTER 2: S YSTEM D ESCRIPTION Power Supply Module Visual indicators The front panel of the power supply module has three LEDs (Figur e 5). Their descriptions, colors, and functions ar e sho wn in Ta b l e 2. System Controller The PoE Power Rack has a system contr oller at the front of the chassis.
System Controller 11 ■ Monitor system operation status - An AC sensor card inside the PoE Power Rack samples the AC input voltage. The sampled signal is sent to the controller for processing. If the AC input voltage is lower than the pre-set al arm level, the controller r eports an AC input under -voltage alarm.
12 C HAPTER 2: S YSTEM D ESCRIPTION Distribution Panel The distribution p anel consists of DC out put sockets and three AC input sockets. Refer to Figure 7. Figure 7 Distribution Panel The three EN60320 C20 AC input sockets on the front panel of the device ar e rated at 20A@250V AC.
3 S AFETY Safety Statements Please read and follow a ll sa fety instructions and warnings before servicing the PoE Power Rack. Refer to the individual module product manuals fo r additional safety statements specific to the modules. ■ The device must be in a restricted access area (dedicated equipment rooms, equipment closets, etc.
14 C HAPTER 3: S AFETY electrical equipment and who understand the hazards that can arise when working on this equipment. ■ The PoE Power Rack can be powered by multiple AC inputs, ensure that the appropriate cir cuit protection device for each AC input being serviced is disconnected before changing or servicing a Power Suppl y Module.
4 I NSTALLATION AND TESTING Introduction This section outlines the sequence for inst alling the PoE Power Rack, including plug-in modules. T est procedures for verifying th e integrity of the installation are also included. Guidelines The device must be installed to allow sufficient front and r ear access.
16 C HAPTER 4: I NSTALLATION AND TESTING Install the PoE DIMM Module If you are installing the opt ional PoE DIMM module, use the following instructions. T echnical Specifications The technical specific ations of PoE DIMM (Dual In-lin e Memory Module) ar e listed in Ta b l e 5.
Installation Sequence 17 3 The following items are included in the unit packaging: PoE Power Rack, power supply module, dummy faceplates and cabl es. Remove al l this material and place aside. Mounting screws ar e NOT supplied with th e PoE Power Rack.
18 C HAPTER 4: I NSTALLATION AND TESTING Install Power Supply Modules Power Supply Modules are installed by slid ing into the power rack, pu shing until the power supply module is fully inserted , and closing the handle on the power supply module. Refer to Figure 10 .
Installation Sequence 19 Connecting to AC utility/ AC groun ding AC power input is accessed from the front of the unit. AC power cord connection is made using power cords with IEC 60320 C- 19 connector plugs. The AC pow er plugs are labeled Input 1, Input 2, and Input 3, which corr espond to the power supply modules numbered fr om le ft to right.
20 C HAPTER 4: I NSTALLATION AND TESTING.
5 E NGINEERING , M AINTENANCE AND T R OUBLESHOOTING Maintenance and T roubleshooting This section pr ovides fiel d maintenance info rmation a nd tr oubleshooting procedures for the PoE Power Rack an d power supply mo dules.
22 C HAPTER 5: E NGINEERING , M AINTENANCE AND T ROUB LESHOOTING ALM or None -- Controller failure Replace the controller T able 6 T roubleshooting Guide Controller alarm status Power supply module di.
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 3Com 8800 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 3Com 8800 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso 3Com 8800 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul 3Com 8800 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il 3Com 8800, 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 3Com 8800.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il 3Com 8800. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo 3Com 8800 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.
