Specifications

Appendix A Connector Pinouts Installation and Operation Manual
A-6 Serial Port Vmux-210 Ver. 1.1
Table A-6. DB-25 Serial Port Connector Pin Assignment
Pin Number Function Direction
1 Ground Signal –
2 TXDa In
3 RXDa Out
4 RTSa In
5 CTSa Out
6 DSRa Out
7 Ground Signal –
8 DCDa Out (DCE) / In (DTE)
9 RXCb Out
10 DCDb Out (DCE) / In (DTE)
11 E-CLKb In
12 TXCb Out (DCE) / In (DTE)
13 CTSb Out
14 TXDb In
15 TXCa Out (DCE) / In (DTE)
16 RXDb Out
17 RXCa Out
18 – –
19 RTSb In
20 DTRa In
21 – –
22 DSRb Out
23 DTRb In
24 E-CLKa In
25 – –
Additional interfaces are supported via interface adapter cables that convert the
Vmux-210 Serial port’s RS-530/DCE interface to the target Serial interface.
Table A-7 lists the supported Serial interfaces and the name of the associated
Serial interface cable. The pin assignment of the Serial interface adapter cables
are provided in the sections that follow.