Toshiba Strata DK40 - Table 3-5 PCOU Controls, Indicators, and Connectors

DK40 Universal Slot PCBs Exchange Line Interface Unit
3-18
Strata DK40 I&M Manual Spring 1999
Refer to the Strata DK40 Programming Manual or DK Library CD-Rom for more details.
Figure 3-8 PCOU Printed Circuit Board
Table 3-5 PCOU Controls, Indicators, and Connectors
Control/Indicator/Connector
Type of
Component
Description
Exchange line connectors 1~4 Screw Terminals Interface connector for exchange line circuits.
Exchange line circuit 1 CD112
Red LED
Lights to indicate that line circuit is in
operation.
Exchange line indicator will not light unless
PCOU is connected to an exchange line.
Exchange line circuit 2 CD212
Exchange line circuit 3 CD312
Exchange line circuit 4 CD412
PAD switch SW101 (circuit 1)
2-position slide
switch
Enables -3dB signal level drop for exchange
line circuit.
PAD switch SW201 (circuit 2)
PAD switch SW301 (circuit 3)
PAD switch SW401 (circuit 4)
Backplane Connector
1380
30
30
30
PAD
PAD
PAD
SW401
30
PAD
SW301
SW201
SW101
Red LEDs
4 3 2 1
Modular Socket for
Power Fail Connection
Screw Terminals for Lines 1-4
Earth Screw for Signalling
PSTN
Line LEDs
F