Cisco Systems Cisco CRS-1 Remove the DC Power Input Module PIM, Removing the DC Power Input Shelf

Chapter 2 Installing and Removing Power Components

Removing a DC Power Shelf

Figure 2-16 Removing the DC Power Input Shelf

210862

b.Holding the DC power input shelf underneath with one hand and steadying it with the other, lift the DC power input shelf up and slide it part way out of the power shelf slot.

c.Slide the DC power input shelf fully out of the chassis. Set the power input shelf carefully aside.

Remove the DC Power Input Module (PIM)

Step 10 Go to the rear of the chassis. Remove the DC power input module (PIM).

a.With a No. 2 Phillips screwdriver, remove the first set of eight screws—six screws in the front of the chassis, two on the outside right and left sides of the chassis (see Figure 2-17).

Figure 2-17 Removing the DC Power Input Module (PIM)

+ (RTN)

B1	–
	(-
	48V/-60V)

+	B0	–
(RTN)	(-
		48V/-60V)

ON	SIDE B
B1 B0

Side B

S

STATU

S

STATU

S

STATU

S

STATU

	SIDE A		+	A1	–
		ON	(RTN)			+	A0
				(-
					48V/-60V)			–
						(RTN)	(-
		A1 A0						48V/-60V)
A
Side

210622

b.Remove the additional two screws underneath the chassis (one on the left side, one on the right side) (see Figure 2-17).

c.With one hand gripping the handle and one hand underneath the module, carefully remove the PIM from the chassis; then set it aside.

	Cisco CRS-1 Carrier Routing System 4-Slot Line Card Chassis Installation Guide
OL-10971-07		2-21