Removing an ac-input power supply – Cisco 12012 User Manual

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8 Cisco 12012 Gigabit Switch Router Card Cage Assembly Replacement Instructions

Removing and Replacing a Card Cage Assembly

Removing an AC-Input Power Supply

Perform the following steps to remove an AC-input power supply:

Step 1

Attach an antistatic wrist strap to yourself and to one of the two ESD connection sockets
located on the front edges of the upper card cage or to bare metal on the frame.

Step 2

If you have not already done so, turn the power supply power switch to the STANDBY
position on the power supply you want to remove. (Refer to Figure 2a.)

Note

Turning the power supply switch to STANDBY also releases a latch that secures

the power supply in the power supply bay slot.

Step 3

Release the spring clip on the power supply faceplate. (Refer to Figure 2b.)

Step 4

Disconnect the AC power cord from the power supply AC receptacle. (Refer to
Figure 2c.)

Step 5

Disconnect the AC power cord from the source AC receptacle. (Refer to Figure 2d.)

Step 6

Loosen the captive screw on the power supply faceplate. (Refer to Figure 2e.)

Figure 2

Disconnecting an AC-Input Power Supply

INPUT:

200 - 240V

10 A
50/60 HZ
2000 W

AC
OK

OUTPUT

FAIL

Release
spring clip

Loosen
captive
screw

Disconnect
power cord

Turn power
switch to
standby
position ( )

H10375

Disconnect
power cord from
source AC