Ppc-2127 Connector Mapping; External Serial Port 1 Connector (Com1) - Avalue Technology PPC-2127 Quick Reference Manual

PPC-2127

2.1 PPC-2127 connector mapping

2.1.1

External Serial port 1 connector (COM1)

Note:
COM1 RS-232/422/485 mode select by SW1 (RS-232 is
default).
10 PPC-2127 Quick Reference Guide
RS-232
Signal PIN PIN
DCD 1 6
RXD 2 7
TXD 3 8
DTR 4 9
GND 5
RS-422
Signal PIN PIN
TX1- 1 6
RX1+ 2 7
TX1+ 3 8
RX1- 4 9
GND 5
RS-485
Signal PIN PIN
TX1- 1 6
NC 2 7
TX1+ 3 8
NC 4 9
GND 5
Signal
DSR
RTS
CTS
RI
Signal
NC
NC
NC
NC
Signal
NC
NC
NC
NC