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Wireless Data Gateway
The COMSPHERE 3000 Series Carrier has 17 slots
which can hold up to 16 modems and one Shared
Diagnostic Unit (SDU). The SDU is required when the
modems in the carrier are controlled by an NMS, or when
multiple carriers in a cabinet configuration are to be
controlled by a single SDCP. The SDCP of the
COMSPHERE 3000 Series Carrier is the user interface to
the 3811Plus modem. A single SDCP can control all
modems in the WDG.
To install a 3811Plus modem into the carrier, perform
the following steps.
Procedure
CAUTION
Always use a ground strap
when handling a modem.
Always store a 3811 Plus
modem in an antistatic bag
when it is removed from the
carrier.
1. At the rear of the carrier, install the rear connector
plate. Make sure the plate uses the same slot
position as that intended for the modem. See
Figure 4-1.
Loosely fasten the plate. This allows for slight
adjustments later when installing the modem.
4-2
Single Port
Connector Plate
25-Pin
Socket-Type
Connectors
Figure 4-1. Rear Connector Plate
The bottom 25-pin connector of
the rear connector plate is not
used in the WDG.
November 1996
496-14838-01
NOTE
3981-A2-GN31-20
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