Quick Installation Guide
PCM-6892E Quick Installation Guide
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3.4.13 Serial Port 1 / 2 / 3 / 4 with External DB9 Connector
Signal
PIN
Signal
GND
5
9
RI
DTR
4
8
CTS
TxD
3
7
RTS
RxD
2
6
DSR
DCD
1
3.4.14 Pin Header Serial Port 2 Connector (CN7 / Pin 11~20) in RS-422 Mode
Signal
PIN
Signal
NC
10
9
RI
CTS
8 7
RTS
DSR
6 5
GND
TxD+
4 3
TxD-
RxD-
2 1
RxD+
3.4.15 Pin Header Serial Port 2 Connector (CN7 / Pin 11~20) in RS-485 Mode
Signal
PIN
Signal
NC
10
9
CTS/RTS +
NC
8 7 CTS/RTS -
NC
6 5
GND
RxD/TxD +
4 3 RxD/TxD -
NC
2 1
NC