Cisco Systems 7609 manual DC-Input Wire Connections on the Terminal Block

Chapter 5 Removal and Replacement Procedures

Removing and Replacing the Power Supply

Figure 5-4 DC-Input Wire Connections on the Terminal Block

DC-input cable

Power leads attached to terminal block

(+) Positive

( - ) Negative

() Ground

I

0

Power

switch	INPUT	FAN	OUTPUT
	OK	OK
			FAIL

DC-input power supply with the terminal block cover removed

Captive installation screw

18736

Step 5 Loosen the captive installation screw on the power supply. (See Figure 5-4.)

Caution Use both hands to install and remove power supplies. Each Cisco 7609 Internet Router DC-input power supply weighs between 22 pounds (9.9 kg) and 28 pounds (12.6 kg).

Step 6 Grasp the power supply handle with one hand and slide the power supply halfway out of the chassis. Place your other hand underneath the power supply, as shown in Figure 5-5, and slide the power supply completely out of the chassis. Set the power supply aside.

	Cisco 7609 Internet Router Installation Guide
5-8	OL-5079-04