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6-24
INSTALLATION-PCB
SECTION 400-096-206
SEPTEMBER 1992
more detailed information about the IMDU.
10.20 PIOU and PIOUS Installation Proce-
dures
10.21 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-
TABLE 6-G
PIOU CONTROLS AND INTERFACE CONNECTORS
CONTROL/INDICATOR/
CONNECTOR
(Figure 6-10)
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
Three-terminal jumper plug
Interface connector for Remote
Maintenance Modem piggy-back module.
External Page/Door Lock Control Relay
MAKE or BREAK jumper plug.
IMDU Connector P1
M/B Make/Break
Jumper Plug P10
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.
SPO/SPI Internal/External
Amplifier Switch
SW4
Selects built-in 3-watt amplifier (SPI) or
600-ohm output (SPO) for external
page/BGM operation.
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
Three-terminal jumper plug
Night/Hold Relay MAKE or BREAK
jumper plug.
M/B Make/Break
Jumper Plug P11
Three-terminal jumper plug
Alarm sensor normally open or normally
closed jumper plug.
Alarm Sensor N.O./N.C.
Jumper Plug P12
Three-terminal jumper plug
IMDU or external modem operating
specification jumper plug.
CCITT/BELL Jumper
Plug P13
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
Trim potentiometer
Volume Control
VR1
Adjusts volume of built-in 3-watt amplifier.
Содержание Strata DK 24
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