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COMSPHERE 3900 Series Modems
2-12 September 1998 3910-A2-GN32-40
Removing and Replacing Model 3911 Modems
CAUTION
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.
It is not necessary to power down the carrier to remove and replace a Model 3911 modem. Perform
the following steps:
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.