Cisco Systems 7609 manual DC-Input Power Supply Front Panels

Chapter 5 Removal and Replacement Procedures

Removing and Replacing the Power Supply

Figure 5-3 DC-Input Power Supply Front Panels

Terminal block cover

DC power cable terminal block

I

0

Power switch

INPUT FAN		OUTPUT
OK	OK	FAIL

16028

Status LEDs

Captive installation

screw

Step 4 Disconnect the DC-input wires from the terminal block (see Figure 5-4) in the following order:

•Positive (+)

•Negative (–)

•Ground

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

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