6-26
INSTALLATION-PCB
SECTION 400-096-206
SEPTEMBER 1992
Program 78
•
Use to set Night Ringing over External Page.
11 EXTERNAL PAGE INTERFACE UNIT
(PEPU)
11.00 General
11.01 The PEPU is similar to the PIOU and PIOUS,
but supports fewer peripherals than both PCBs. In
general, PEPU-supported peripherals are paging
and relay control related.
NOTE:
If a PIOU or PIOUS is installed, then a PEPU
cannot be installed, and vice versa.
11.02 PEPU controls, indicators, and interface
connectors are illustrated in Figure 6-14 and de-
scribed in Table 6-I.
11.10 PEPU Hardware Options
11.11 The PEPU supports the following hardware
options:
TABLE 6-H
PIOUS CONTROLS AND INTERFACE CONNECTORS
CONTROL/INDICATOR/
CONNECTOR
(Figure 6-11)
TYPE OF COMPONENT
DESCRIPTION
SMDR/TTY Interface
Connector J3
Dual modular connector
Interface connector for SMDR printer/
call accounting device and
maintenance terminal/modem.
10-pin connector
Wire jumper
Interface connector for Remote
Maintenance Modem piggy-back module.
External Page/Door Lock Control Relay
MAKE or BREAK jumper.
IMDU Connector P1
M/B Make/Break Jumper
W1
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
Enables PIOUS for operation with IMDU
modem or TTY jack.
9-pin connector
Interface connector for Remote
Maintenance Modem piggy-back module.
IMDU Connector P2
3-pin connector
Interface connector for Remote
Maintenance Modem piggy-back module.
IMDU Connector P3
Wire jumper
Night/Hold Relay MAKE or BREAK
jumper.
M/B Make/Break Jumper
W2
Wire jumper
Alarm sensor normally open or normally
closed jumper.
Alarm Sensor N.O./N.C.
W3
Wire jumper
IMDU or external modem operating spec-
ification jumper plug. (BELL = NO W4)
CCITT/BELL Jumper
W4*
Two-position slide switch
Selects baud rate (300 or 1200 bps) for
SMDR printer or call accounting device.
SMDR Baud Rate
Switch SW1
Two-position slide switch
*Most modems in USA require BELL specification: W4 not factory-installed.
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