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INSTALLATION-DK 16 KSU 81 PCB
SECTION 100-816-205
MARCH 1993
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FIGURE 5-20
REMOTE MAINTENANCE MODEM UNIT (IMOU)
IINTERFACE CONNECTORS
a CO or installed behind a PBX telephone system.
It does not have to be configured for anything else.
The decibel (db) PAD switches,
SW501
(COl) and
SW601
(CO2), control the loudness by providing a
3 db signal level drop to, or from, the PBX or CO
when set to the PAD position. The switch comes
from the factory set at NOR (for normal) meaning
no PAD loss.
13.20 KCDU Installation Procedure
13.21
Install the KCDU in accordance with the
following steps:
1) Remove the PCB from its protective packaging.
2) If the system is located within one mile of the
CO or PBX telephone system, set db
PAD
switches
SW501
and
SW601
to the PAD po-
sition.
3) Insert the KCDU into the appropriate slot (04
first, 05 second) in the Expansion Unit, and
apply firm, even pressure to ensure proper
mating of the connectors.
25PAIR AMPHENOL CONNECTOR (FEMALE)
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J7
SW601 SW501
BACKPLANE CONNECTOR
FIGURE 5-21
KCDU INDICATORS, OPTIONS, AND CONNECTORS
5-32