Cisco XM Universal Gateways Cisco AS5400XM - Manual (Page 57)

A-3
Cisco AS5400XM Universal Gateway Chassis Installation Guide
OL-6418-02
Appendix A Replacing Memory Components
Removing the Chassis Cover
Figure A-1 DC Power Supply Connections
a. Loosen the six locking screws for the negative, return, and ground connections on the DC power
supply terminal blocks.
b. Remove the –48 VDC wires from the terminal block negative connectors (–).
c. Remove the 48 VDC wires from the terminal block positive connectors (+).
d. Remove the safety ground (green wires) from the terminal block ground connectors.
Step 3 Remove all interface cables from the rear panel of the chassis.
Step 4 Place the chassis so that the front panel is facing you.
Step 5 Remove the four screws on the chassis cover. (See Figure A-2 .)
Caution Do not connect a 48 VDC wire to the chassis. A single-point ground is recommended at the power
distribution rack.
On/off
switch
LEDs
31628
Terminal
block
Mounting screw Mounting screw
Mounting
screw
IN OK
DC OK
OTF
IN OK
DC OK
OTF
LEDs
Terminal
block
Strain-relief
clamps
Strain-relief
clamps