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S u b C o m p a c t B o a r d
8
X-
9
X+
2.19 RS-232 Serial Port Connector (CN11)
Pin
Signal
1
DCDA
2
RXA
3
TXA
4
DTRA
5
GNDA
6
DSRA
7
RTSA
8
CTSA
9
RIA
2.20 RS-232/422/485 Serial Port Connector (CN12)
Pin
Signal
1
DCDB
2
DSRB
3
RXB
4
RTSB
5
TXB
6
CTSB
7
DTRB
8
RIB
9
GND
G E N E - U 1 5 B
Chapter 2 Quick Installation Guide
2-13