Canoga-perkins 9171 Metro Ethernet Routing Switch Manual de usuario descargar pdf (Pagina 12)

9171 Installation Guide

Proprietary & Confidential

Canoga Perkins Metro Ethernet Routing Switch

Page

2.3

Power Wire and Grounding Connection

2.3.1

AC Power Wire Connection



AC Power Socket (recomme

nded)

It is recommended that users use single

phase three

wire outlets with neutral point connectors or

multifunction microcomputer outlets. The neutral points of power must be grounded reliably in a building.

Generally, in wiring of building construction,

the power neutral points of electrical supply system in such

a building have been buried under the earth, so users need to confirm the power has been grounded.



AC Power Wire Connection

Step 1: Connect one end of the

ground

wire on enclosure included in a

switch to the

grounding

screw on back panel of the switch, and the other end is

properly grounded

Step 2: Insert one end of the power wire of the switch into the outlet on back panel of the

cabinet, and the other end into a

AC power outlet.

Step 3: Tur

n on the power switch, and check if the power indicator on front panel of the switch is

bright, which indicates that power connection is correct.

Note: The

ground

wire must be connected before switches are powered on.

2.3.2

Grounding Connection

A noise filte

r is connected on the power input of switch, whose central

grounding

is connected directly to

the cabinet, which is called enclosure

grounding

(that is PE). This cabinet must be well grounded to

enable the safe flow of influence electricity and leakage int

o the earth and increase the

anti

electromagnetic interference of switch.



Correct Way of Grounding is as follows:

Connect one end of the yellow and green PE cable of switch to the terminal of grounding bar and screw

up the fastening nut when there is a gr

ounding bar in the installation environment of Ethernet switches.

Note: it is an incorrect option to be grounded with fire mains and a lightning rod in a building, so the

ground wires of Ethernet switches should be connected to the works in switch room an

d ground

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