Cisco Systems XR 12406 manual Power off the faulty PEM item 3 in Figure, Dc Pem

Chapter 5 Maintaining the Router

Removing and Replacing a DC PEM

Step 1 Power off the faulty PEM (item 3 in Figure 5-15).

Figure 5-15 DC Power Entry Module Components

OUTPUT	INPUT	MISWIRE
OK
	OK

OUTPUT	INPUT MIS
OK		WIRE
	OK

5

4

2 4

62203

31

1

2

3

DC PEM	4	Captive screws/release levers
Handle	5	Cooling fan
Power On/Off switch	6	AC input/DC output/miswire status indicators

Step 2 Power off the circuit breaker assigned to the power supply.

Step 3 Remove the power supply from the chassis (Figure 5-16):

a.Loosen the captive screw on each ejector lever.

b.Pivot the levers open to release the power supply from its bay.

c.Slide the power supply out of its bay while supporting it with your other hand.

Warning The power supply weighs approximately 10 lb (4.5 kg). Use two hands to remove the power supply.

	Cisco XR 12406 Router Installation Guide
OL-13831-01		5-27