Kcdu Installation Procedure - Toshiba Strata DK 16 Installation And Maintenance Manual

INSTALLATION-DK 16 KSU & PCB
SECTION 100-816-205
MARCH 1993
J3
J2
FIGURE 5-20
REMOTE MAINTENANCE MODEM UNIT (IMDU)
IINTERFACE CONNECTORS
25-PAIR AMPHENOL CONNECTOR (FEMALE)
FIGURE 5-21
KCDU INDICATORS, OPTIONS, AND 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 (CO1) 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
J1
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 packag-
ing.
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
position.
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.
SW601 SW501
(CO2) (CO1)
PAD NOR
BACKPLANE CONNECTOR
5-32
J7
CO2
CO1
PAD NOR