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COMSPHERE 3800Plus Modems
2-6 October 1998 3980-A2-GB30-40
Removing and Replacing
3810
Plus
Modems
To remove and replace a 3810Plus modem, perform
the following steps:
1. Make sure the modem is offline, and toggle the
modem’s rear panel power switch to the Off
position.
2. Disconnect the power cord from the ac power
outlet, and then from the connector on the rear of
the modem.
3. Disconnect the dial and leased-line modular cords
from the modem’s rear panel.
4. Disconnect the DTE interface cable from the
modem’s rear panel.
If the modem is to be removed for service, return
it to the company using the procedures described
in Government Requirements and Equipment
Return near the beginning of this book.
5. Install the replacement modem as described in the
3810Plus Modem Installation section of this
chapter, and configure it the same way as the
modem being replaced.