Chapter 5 Removal and Replacement Procedures

Removing and Replacing the Power Supply

Note For 2500W power supplies, use 90-degree C copper conductors for North American installations.

Step 8 Connect the DC-input wires to the terminal block (see Figure 5-6) in the following order:

Ground

Negative (–)

Positive (+)

Warning When installing the unit, the ground connection must always be made first and disconnected last.

Figure 5-6 DC-Input Power Supply Connectors

DC-input cable

Power leads attached to terminal block

(+) Positive

( - ) Negative

() Ground

I

0

Power

switch

INPUT

FAN

OUTPUT

 

OK

OK

 

FAIL

 

 

 

DC-input power supply with the terminal block cover removed

Captive installation screw

18736

 

 

Cisco 7609 Internet Router Installation Guide

 

 

 

 

 

 

OL-5079-04

 

 

5-11

 

 

 

Page 85
Image 85
Cisco Systems 7609 manual DC-Input Power Supply Connectors