Manual

User’s Manual
EMX-CDV User’s Manual
23
2.4 Setting Jumpers & Connectors
2.4.1 Serial Port 1 Setting - RS232/422/485 (JRS1, JRS2, JRS3, JRS4)
* Default
RS232*
RS422/RS485
RS422/485 Pin Mapping
Pin
RS-232
RS-485
RS-422
1
DCD
TXD-
TXD-
2
RXD
TXD+
TXD+
3
TXD
RXD+
4
DTR
RXD-
5
GND
GND
GND
6
DSR
7
RTS
8
CTS
9
RI
JRS4
JRS3
JRS2
JRS1