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6 June 1998 3980-A2-GZ41-20
The COMSPHERE 3000 Series Carrier has 17 slots
which can hold up to 16 modems and one 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 modems in up to eight carriers.
To install a 3811Plus modem into the carrier, perform
the following steps.
" Procedure
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.
496-14906
V.35
(3600/3500)
RS366A/V.25
(3800)
EIA232/V.24
25-Pin
DTE Connectors
P21
Loosely fasten the plate. This allows for slight
adjustments later when installing the modem.
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.
495-14797
2. At the front of the carrier, hold the modem
vertically, with the latch on its faceplate in the
open position, and insert it into the top and bottom
card guides of one of the slots numbered 1–16.
Slide the modem into the slot, aligning the modem
with the rear connector plate, until the backplane
connector and DTE connector seat firmly into the
back of the carrier. To lock the modem into the
carrier, press the faceplate latch until a click is
heard.