Toshiba strata CT Installation & Maintenance Manual page 108

Digital business telephone system
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Universal Slot PCBs
SW3
SW1
J3
H
Figure 3-7
PIOU Printed Circuit Board
C
Figure 3-8
3-14
P3
P1
P12
MODEM
SPI
TTY
300
SPO
1200
P11
TTY
SMDR
SW2
J3
TTY
SMDR
SW2
CD4
BREAK
BREAK
TBI
K2
Terminal
Strip
K1
PIOUS
PIOUS2 PCB
Backplane Connector
P2
P13
P10
50-PIn Female Amphenol Connector
SW1
SW3
CCITT
W4 NORMAL OPEN
W3
BELL
NORMAL CLOSED
IMDU
P1
MAKE
W1
MAKE
W2
W4 Set for CCITT
Modem Specification
P3
P2
Optional IMDU PCB
Remote Maintenance
Modem
Backplane
Connector
1389.eps
Strata CT I&M Manual October 2000

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