MultiDyne ACI-2058 - Manual (Page 28)

A54-2058-000 24 A PCON , Inc.
Appendix
The ACI-2058 contains two RS-232 serial ports, each using a DB9 connector. The
connectors are compatible with standard RS-232 straight-through serial cables. The next
table describes each pin.
Appendix A
Serial Port Pinout
Appendix A
Table 4. Serial Port Pinout
Pin Host computer COM1 COM2
1 DCD input DCD output No connection
2 Receive data input Transmit data output Receive data input
3 Transmit data output Receive data input Transmit data output
4 DTR Output Connected to pin 8 Connected to pin 8
5 Ground Ground Ground
6 DSR input DSR output No connection
7 RTS output No connection No connection
8 CTS input Connected to pin 4 Connected to pin 4
9 RI input No connection No connection