Cisco Systems Cisco CRS-1 manual Installing the DC Power Supplies, DC Power Shelf Cable Cabling

Chapter 2 Installing and Removing Power Components

Installing a DC Power Shelf

Figure 2-11 DC Power Shelf Cable Cabling

+ (RTN)

B1	–
	(-
	48V/-60V)

+	B0	–
(RTN)
		(-
		48V/-60V)

	ON	S
		IDE B
B1	B0

Side B

Side A

S
IDE A	ON

A1 A0

+ (RTN)

A1	–
(-
	48V/-60V)

+ (RTN)

A0	–
(-
	48V/-60V)

210613

Step 12 Reattach both wiring block covers (see Figure 2-11).

a.Snap the cover over the wiring block so that it snaps closed.

b.Use a number 1 Phillips screwdriver to tighten the capture screw.

Note The wiring block covers can be oriented to route the wire cabling from the top or the bottom of the covers.

Installing the DC Power Supplies

Step 13 Go to the front of the chassis. Install the four DC power supplies into the power input shelf (see Figure 2-12). For details, see the “Installing a Power Supply” section on page 2-25.

Note Each DC power supply weighs 4.5 lb (2 kg).

	Cisco CRS-1 Carrier Routing System 4-Slot Line Card Chassis Installation Guide
2-16	OL-10971-07