3Com 7750 Series Посібник користувача - Сторінка 11

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PoE Power Rack Installation Guide

Introduction

This section outlines the sequence for installing the PoE Power Rack, including plug-in modules, as well as

test procedures for verifying the integrity of the installation.

4..1 Guidelines

The device must be installed to allow sufficient front and rear access. All cables must be routed through

insulated conduit openings, All service operation can be completed on the front of the power rack.

4..2 EMI Considerations

When running the DC output cables, ensure that the positive and negative cables are routed so as no loops

are created.

4..3 Installation Tools and Hardware

The following tools and hardware are required to install and test the PoE Power Rack:

#2 Philips screwdriver

Nut driver set or socket set with 10 mm and 13 mm sockets

Adjustable wrench

Digital meter with an accuracy of ± 0.02%

Small and medium flat screw driver

ESD wrist strap

4..4 Safety

Warning

Only qualified personnel can install and service the PoE Power Rack.

Hazardous energy is present in the device and on the interface cables, which can cause electric shock or cause serious injury or death

if safety precautions are ignored. Follow all safety warnings and practices when servicing this equipment.

4..5 Installation Sequence

Review all safety warnings in Section 3 before beginning the installation process. Observe all warnings and

labels on the equipment.

The PoE Power Rack consists of a chassis which includes AC and DC distribution modules, one system

controller, and power supply module bays. Refer to Figures 2-6 and figure 2-7 for relationship of components.

Chapter 4 Installation and Debugging

4-1