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Reseating/Replacing Circuit Packs
Issue 5 October 2002
65
555-233-119
Reseating/Replacing Circuit Packs
!
WARNING:
It is NOT recommended that you reseat circuit packs unless the
documentation specifically instructs you to do so. If it is required to reseat a
circuit pack, follow the instructions below which explain how to unseat,
reseat, and replace circuit packs.
The procedures for unseating, reseating, and replacing control circuit packs vary
depending on the system configuration. Follow the appropriate procedure below.
Control Circuit Packs
To unseat a control circuit pack:
1. Remove power from the PPN using the procedure provided in ‘‘Removing
Power’’ .
2. Slide the latch pin upward to unlock the locking lever.
3. Pull down on the locking lever until the circuit pack disconnects from its
socket.
4. Pull the circuit pack just enough to break contact with the backplane
connector, but do not remove it from the cabinet.
To reseat a circuit pack:
1. Push the unseated circuit pack back into the backplane connector.
2. Lift the locking lever until the pin engages.
3. Restore power to the PPN using the procedure provided in ‘‘Restoring
Power’’
To replace Control circuit packs:
NOTE:
You must obtain a new license file any time you replace a control circuit
pack.
1. Remove power from the PPN using the procedure in the ‘‘Removing
Power’’
1. Unseat the circuit pack.
2. Slide the circuit pack out of the slot.