Installation guide

5-7

Cisco IGX 8400 Series Installation Guide, Release 9.3.3 and Later Releases

OL-1165-06

Chapter 5 Replacing Parts on the IGX

Replacing an AC Power Supply

This section contains separate descriptions for replacing an AC power supply in IGX 8410,

IGX 8420, and IGX 8430 nodes.

Replacing an AC Power Supply in an IGX 8410 Node

When a power supply has failed, a red FAIL light on the SCM comes on and one or more “okay” LEDs

on the power supply go off. Before replacing a power supply, check if it needs only to be reseated. The

following describes first how to reseat, then how to replace, a supply.

Step 1 Loosen the captive screws and remove the AC power cover plate. See Figure 5-2.

Figure 5-2 Replacing an AC Power Supply

Step 2 Identify the power supply that needs replacement.

Step 3 Grip the hinged handle on the supply, slightly pull out the supply, then reseat it. This resets the supply’s

internal power-monitoring circuit. See Figure 5-3.

Step 4 Check the supply-monitoring circuit on the SCM. First, enter the command resetcd 0 at the control

terminal (this resets the power supply monitor on the SCM). After waiting about 10 seconds or more,

enter the dsppwr command and see if the FAIL indicator for the supply comes on. Note which power

supply has failed.

Cover plate

over power

supplies

Captive

screws (2)

Clamping

rings

Circuit

breakers

AC inputs

H8392