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FIGURE 6-12--REMOTE MAINTENANCE MODEM
UNIT (IMDU) INSTALLATION
9.12 Remote Maintenance Modem Unit (IMDU)
Installation.
Install the Remote Maintenance Mo-
dem Unit (IMDU) in accordance with the following
steps:
1) Remove the PCB from its protective packag-
ing.
2)
Set the SW2 baud rate switch on the front panel
to 300 or 1200, as appropriate, after the PIOU
has been installed in the KSU (in-300 bps-
out-l 200 bps).
3) Set SW3 to MODEM position for IMDU opera-
tion.
4) Set the P13 jumper plug on the PIOU to the
BELL position; or, cut the W4 jumper on the
PIOUS for BELL operation.
5) Mate IMDU connectors
Jl, J2,
and J3 with
PIOU or PIOUS connectors
Pl, P2,
and P3
(refer to Figure 6-l 2).
NOTE:
PIOU or PlOUS connectors PI, P2, and P3
arepositioned to allow installation of the IMDU
on/y in the proper position.
6) Refer to Programming Procedures, Section
200-096-300, Program 77-1,
and set LED 14
to ON to enable IMDU operation.
INSTALLATION-PCB
SECTION 200-096-206
FEBRUARY 1991
NOTE:
The IMDU default station intercom number is
19.
7) Apply firm, even pressure to IMDU to ensure
proper mating of connectors.
NOTE:
Refer to Remote Maintenance Procedures,
Section 200-096-400, for information regard-
ing the IMDU.
9.20 PIOU and PIOUS Installation Proce-
dures
9.21
Install the PIOU or PIOUS in accordance with
the following steps:
1) Remove the PCB from its protective packag-
ing.
2) Ensure the PIOU or PIOUS has been config-
ured for the appropriate hardware options
(refer to Paragraph
9.10
and Section 200-096-
208).
NOTE:
Ensure the PIOUS or PIOUS’component side
is facing right when installing it in the KSU.
3) Insert the PIOU or PIOUS into the last slot (slot
06 for DK24, slot 08 for DK56, and slot 14 for
DK96 ), and apply firm, even pressure to
ensure proper mating of connectors.
4) After installing the PIOU or PIOUS, gently pull
the PCB outward. If the connectors are properly
mated, a slight resistance will be felt.
9.30 PIOU and PIOUS Wiring
9.31 Refer to Peripheral Equipment Installation,
Section 200-096-208; and Wiring Diagrams, Sec-
tion 200-096-209, for PIOU/PIOUS wiring/inter-
connecting details.
9.40 PIOU and PIOUS Programming Over-
view
9.41
The following parameters may be specified,
6-23