Toshiba Strata DK 280 Installation Manual page 166

Table
PIOU
4-24
Controls, Indicators, and Interface Connectors
Control/indicator/Connector
Type of Component
Description
SMDRTTY Interface Connector J3 Dual modular connector Inter-face connector for SMDR printer/call
accounting device and maintenance
terminal/modem.
IMDU Connector Pl 1 O-pin connector Interface connector for Remote Maintenance
Modem piggy-back module.
IMDU Connector P2
g-pin connector
Interface connector for Remote Maintenance
Modem piggy-back module.
IMDU Connector P3
3-pin connector Interface connector for Remote Maintenance
Modem piggy-back module.
M/B Make/Break
3-terminal jumper plug External Page/Door Lock Control Relay MAKE or
Jumper Plug PlO
BREAK jumper plug.
M/B Make/Break
3-terminal jumper plug Night/Hold Relay MAKE or BREAK jumper plug.
Jumper Plug Pll
Alarm Sensor N.O./N.C. 3-terminal jumper plug Alarm sensor normally open, or normally closed
Jumper Plug P12
jumper plug.
CCITT/BELL Jumper Plug P13 3-terminal jumper plug IMDU or external modem operating specification
jumper plug.
SMDR Baud Rate Switch SW1
2-position slide switch Selects baud rate (300 or 1200 bps) for SMDR
printer or call accounting device.
TTY Baud Rate Switch SW2
e-position locking push- Selects baud rate (300 or 1200 bps) for Remote
button switch Maintenance Modem piggy-back module (IMDU)
or external TTY jack.
Modem/TTY Switch SW3
e-position slide switch Enables PIOU for operation with IMDU modem or
TTY jack.
SPO/SPI Internal/External
2-position slide switch Selects built-in 3-watt amplifier (SPI) or 600-ohm
Amplifier Switch SW4 output (SPO) for external page/BGM operation.
Volume Control VR1
Trim potentiometer Adjusts volume of built-in 3-watt amplifier.
nY"C
J3
A a,. , L
P3 P2
IIIIIIIIIIIIIIIIIIII 0
BACKPLANE CONNECTOR
!86
Figure 4-32
PIOU Controls, Indicators, and Interface Connectors
January 1996