Cisco Systems AS5350XM manual

Appendix B Replacing the Power Supply

Removing the Chassis Cover

Figure B-2 DC Power Supply Connections—Redundant Power Supply

To DC source

DC connector Power switch

Source A - NEG

82637

Ground

Source A - RTNSource B - RTN

Source B - NEG

a.Loosen the five locking screws for the negative, return, and ground connectors on the DC connector.

b.Remove the +48 VDC return wires from the DC connectors.

c.Remove the -48 VDC wires into the DC negative connectors.

d.Remove the safety ground wire from the DC connector.

Step 3 Remove all interface cables from the rear panel of the universal gateway.

Step 4 Place the universal gateway so that the front panel is facing you.

Step 5 Remove the five screws on the chassis cover. (See Figure B-3.)

Cisco AS5350XM Universal Gateway Chassis Installation Guide

B-4 OL-6417-02