AXIOMTEK tBOX320-852-FL Series User Manual page 48

tBOX320-852-FL Series User's Manual
COM2
Pin RS-232
1
DCD, Data carrier detect
2
RXD, Receive data
3
TXD, Transmit data
4
DTR, Data terminal ready
5
GND, ground
6
DSR, Data set ready
7
RTS, Request to send
8
CTS, Clear to send
9
RI, Ring indicator
40
RS-422
No use
RX+
TX+
No use
No use
No use
TX-
RX-
No use
COM2
Jumper Setting & Connector
RS-485
No Use
No Use
Data+
No Use
No Use
No Use
Data-
No Use
No Use