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Appendix B: Cabling Diagrams
197
Figure B-5. X.21 bis Line Terminator and Composite Cable.
Cabling for the CCM and 6-Channel CEMs (continued)
2
3
5
6
7
11
18
20
24
25
3
2
4
20
7
5
15
6
17
22
DB25
MALE
P1
TO MULTISERVER
TO X.21 BIS
LINE TERMINALS
BUSY
EXTERNAL TX CLOCK
DTR
RX CLOCK
UNASSIGNED
GND
DSR
CTS
RD
TD
PIN 1
DB25
MALE
P2
RI
RX CLOCK
DSR
TX CLOCK
CTS
GND
DTR
RTS
TD
RD