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