15
3920-A2-GK41-60
February 2002
495-14425-02
CIRCUIT
PACK
LOCK
OPEN
CLOSED
LATCH
RELEASE TAB
Figure 7. Circuit Pack Lock
Removing the Model 3921Plus Modem
CAUTION
When removing the Model 3921Plus modem from the carrier,
always use a ground strap when handling the modem. Always
store the 3921Plus modems in an antistatic bag when it is
removed from the carrier.
It is not necessary to power down the carrier to remove the Model 3921Plus modem. Perform the following steps:
1. Rotate the circuit pack lock until the release tab is exposed (refer to Figure 7).
2. Press down on the release tab and pull the modem away from the carrier’s backplane.
