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Figure B-21
Table B-19
Pin
1
2
3
4
5
6
7
8
$= P for primary BITS clock (J42), S for secondary BITS clock (J41)
B.1.9 Serial Port Connectors
The control shelf backplane provides an interface for 16 separate serial port
connections from the TDMs. These connections provide RS-232 interfaces for
terminals, printers, and modems. The system is set up as Data Terminal Equipment
(DTE).
J17 - J24, J65 - J72 on Control Shelf backplane 04 and J24 - J31, J76 - J83 on
Control Shelf backplane 06/07
Figure B-22
Table B-20
1
2
3
4
BITS Clock Connector
BITS Clock Connector
Signal
$BITSIN+_60
Serial Port Connector
Serial Port Connector
Pin
Signal
DCD$
RX$
Control Shelf Connectors
Pin
9
10
11
12
$BITSIN-_60
13
14
15
Pin
9
10
11
12
Appendix B
Signal
Signal
B-20
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