
JUMPER SETTINGS AND CONNECTORS
EM-350 / 25
COM2
¡ G
RS232/422/485 PORT CONNECTOR
DESCRIPTION
PIN
RS-232
RS-422
RS-485
1
DOC
TX-
DATA-
2
RX
TX+
DATA+
3
TX
RX+
NC
4
DTR
RX-
NC
5
GND
GND
GND
6
DSR
RTS-
NC
7
RTS
RTS+
NC
8
CTS
CTS+
NC
9
RI
CTS-
NC
10
NC
NC
NC
l
4PS2
¡ G
POWER CONNECTOR (For V0.1)
PIN
DESCRIPTION
1
+12V
2
GND
3
GND
4
+5V
5 1
10 6
COM2
4 3 2 1
4PS2