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INSTALLATION-OK 16 KSU & PCB
SECTION
100-816-205
MARCH 1993
TABLE 5-F
PIOU CONTROLS AND INTERFACE CONNECTORS
CONTROL/INDICATOR/
CONNECTOR
(Figure 5-18)
SMDRTTY interface
Connector J3
TYPE OF COMPONENT
Dual modular connector
DESCRIPTION
Interface connector for SMDR printer/
call accounting device and
maintenance terminal/modem.
IMDU Connector PI 1 O-pin connector Interface connector for Remote
Maintenance Modem piggy-back module.
I
IMDU Connector P2
g-pin connector Interface connector for Remote
Maintenance Modem piggy-back module.
I
IMDU Connector P3 3-pin connector Interface connector for Remote
Maintenance Modem piggy-back module.
I
M/B Make/Break Three-terminal jumper plug External Page/Door Lock Control Relay
Jumper Plug PlO MAKE or BREAK jumper plug.
I
M/B Make/Break Three-terminal jumper plug Night/Hold Relay MAKE or BREAK
Jumper Plug Pll jumper plug.
I
Alarm Sensor N.O./N.C. Three-terminal jumper plug Alarm sensor normally open or normally
Jumper Plug P12
closed jumper plug.
I
CCIlT/BELL Jumper
Three-terminal jumper plug IMDU or external modem operating
Plug P13
specification jumper plug.
I
SMDR Baud Rate Two-position slide switch
Selects baud rate (300 or 1200 bps) for
Switch SW1
SMDR printer or call accounting device.
TTY Baud Rate Switch
SW2
Two-position locking push-
button switch
Selects baud rate (300 or 1200 bps) for
Remote Maintenance Modem piggy-back
module (IMDU) or external TTY jack.
Modem/TTY Switch
SW3
Two-position slide switch
Enables PIOU for operation with IMDU
modem or TTY jack.
2) Set the SW2 baud rateswitch on the front panel
to 300 or 1200, as appropriate, after the PIOU/
PIOUS has been installed in the Expansion
Unit (in-300 bps-out-1200 bps).
3) Set SW3 to MODEM position for IMDU operation.
4) Set the
PI3
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, 52,
and J3 with
PIOU or PIOUS connectors
PI, P2,
and P3
(refer to Figure 5-20).
NOTE:
PlOU of PIOUS connectors Pl, P2, and P3
arepositioned to allow installation of the IMDU
only in the proper position.
6) Apply firm, even pressure to IMDU to ensure
proper mating of connectors.
NOTE:
The IMDU default station intercom number is
619;ancilMDUcommunicationparametetsare 7-
bits, even patity, 1 -stop bit
7) Refer to Programming Procedures, Section
100-816-300, Program 77-1,
and set LED 14
to ON to enable IMDU operation.
5-29