COMSPHERE 3900 Series Modems
Removing and Replacing Model 3911 Modems
It is not necessary to power down the carrier to remove and replace a Model 3911 modem. Perform
the following steps:
2-12
If the Model 3911 is removed from the carrier, always use a
ground strap when handling the modem. Always store the
Model 3911 in an antistatic bag when it is removed from the
carrier.
1. Rotate the circuit pack lock until the release tab is exposed.
2. Press down on the release tab and pull the modem away from the carrier's backplane.
November 1996
CAUTION
3910-A2-GN32-30