Evolution® IP-20LH Installation Guide
Ceragon Proprietary and Confidential Page 41 of 101
4.4 Replacing the Chassis
Note: When a complete IDU chassis is replaced, the traffic through
this IDU will be interrupted.
1 Unplug the power connector(s) on the PDC(s).
2 Disconnect all cables from the cards in the chassis. Mark all cables to
ensure that the cables can be reconnected to the correct cards and
interfaces in the new chassis.
3 Disconnect the chassis grounding cable.
4 Since the chassis fully populated is heavy, it may be convenient to remove
cards prior to removing chassis from the rack.
5 Unscrew the chassis from the rack (four screws).
6 Carefully pull the chassis out.
7 Remove all cards from the chassis.
8 Install the new chassis, as described in Mounting the IDU Chassis in the
Rack on page 34.
9 Replace the cards in the new chassis.
10 Carefully insert the new chassis into the rack.
11 Fasten the four screws.
12 Reconnect the chassis grounding cable.
13 Re-insert all cards. Tighten the captive screws manually.
14 Reconnect the front cables.
15 Reconnect the power cable(s).
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