External Serial Port 2 Connector (Com2) - Avalue Technology RITY152 Quick Reference Manual

RITY152
2.1.2

External Serial Port 2 connector (COM2)

12 RITY152 Quick Reference Guide
In RS-232 Mode
Signal PIN PIN
DCDB# 1 6
RXDB 2 7
TXDB 3 8
DTRB# 4 9
GND 5
In RS-422 Mode
Signal PIN PIN
TxD1- 1 6
TxD1+ 2 7
RxD1+ 3 8
RxD1- 4 9
GND 5
In RS-485 Mode
Signal PIN PIN
DATA1- 1 6
DATA1+ 2 7
NC 3 8
NC 4 9
GND 5
Signal
DSRB#
RTSB#
CTSB#
RIB#
Signal
NC
NC
NC
NC
Signal
NC
NC
NC
NC