Specifications

Appendix A Connector Pinouts Installation and Operation Manual
A-10 Serial Port Vmux-210 Ver. 1.1
X.21/DCE Interface Adapter Cable
The CBL-VM110/X21/DCE interface adapter cable converts the Vmux-210 Serial
port into an X.21/DCE Serial interface. The interface cable terminates in a female
D-15 connector.
Table A-11 lists the pin assignment at each end of the interface
cable.
Table A-11. X.21/DCE Interface Cable Pin Assignment
Pin on DB-25 Connector Pin on D-15 Connector Comments
1 1
7 8
4 3
19 10
Twisted
8 5
10 12
Twisted
15 6
12 13
Twisted
2 2
14 9
Twisted
3 4
16 11
Twisted
24 7
11 14
Twisted