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COMSPHERE 3800 Series Modems
3-4 November 1996 3810-A2-GB30-20
If
the modem is to communicate with an installed
SDCP, install the modem as described above and perform
the following steps:
1.
Press the
Select
key on the SDCP
. The cursor
appears in the carrier selection entry.
2. Press the F1 (") or F2 (↓) key until the carrier
number you want appears on the LCD.
The carrier number selection has a range of 1 to 8
since a single SDCP can control a configuration of
up to eight carriers. (This is only possible if the
SDU is installed.)
3.
Press the
key to position the cursor on the slot
selection entry
.
4. Press the F1 (") or F2 (↓) key until the slot
number (1–16) you want appears on the LCD.
Ignore the AB designator that appears on the LCD
since it is not applicable to the 3800 Series
modems.
5.
Press the
Select
key to place the SDCP in direct
communication with the selected modem.
The LCD displays the Top-Level menu for the
selected modem. In addition, the Front Panel LED
on the modem’s faceplate and the OK LED on the
SDCP light.
6. Once you have determined that the modem is
installed properly and completed its power-up
self-test, rotate the circuit pack lock until it covers
the faceplate latch (Figure 3-3). This prevents the
modem from accidently being removed once it is
installed in a carrier.
7. Configure the modem as described in the Selecting
Factory Configuration Options
section in
Chapter 4.
CIRCUIT
CARD
GUIDE
CIRCUIT
PACK
LOCK
CIRCUIT
CARD
GUIDE
LATCH
OPEN
(UNLOCKED)
CLOSED
(LOCKED)
495-11985a-03
Figure 3-3. Circuit Pack Lock
Removing and Replacing
Model 3811 Modems
It is not necessary to power down the carrier to remove
and replace a Model 381
1 modem. 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. 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.