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Model 3811 Installation
3-33810-A2-GB30-20 November 1996
The
installation of a Model 381
1 varies slightly if an
SDCP is installed on the front of the carrier. T
o install a
Model 381
1 modem into the carrier without an SDCP,
perform the following steps:
CAUTION
If the Model 3811 is removed
from the carrier, always use a
ground strap when handling
the modem. Always store the
Model 3811 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.
Loosely fasten the plate. This allows for slight
adjustments later when installing the modem.
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 (see
Figure 3-2).
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. The faceplate latch
automatically closes as you push the modem into
the carrier. To lock the modem into the carrier,
press the faceplate latch until a click is heard.
3. If the carrier is ON, the Power LED on the
faceplate of the 381
1 lights. After several seconds
the modem completes its power
-up self-test in
which all faceplate LEDs light. If the modem fails,
the Alrm LED on the faceplate flashes.
Return to the rear of the carrier and tighten the
rear connector plate.
Figure 3-2. Installing a Model 3811 Modem