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JCOM1A/JCOM1B/JCOM3: Serial Port Connectors
The motherboard has 3 Serial Port Connectors for connecting RS-232 Port.
* Do not support RI wake up
JCOM4/JCOM5/JCOM6: Serial Port Connectors
The motherboard has 4 Serial Port Connectors for connecting RS-232 Port.
J C O M 3
Pin
Assignment
1
Carrier detect (DCD)
2
Received data (RXD)
3
Transmitted data (TXD)
JC O M 1 B
4
Data terminal ready (DTR)
5
Signal ground (GND)
6
Data set ready (DSR)
7
Request to send (RTS)
8
Clear to send (CTS)
JC O M 1 A
9
Ring or 5V or 12V (JCOM1A)
Ring or 5V (JCOM1B/JCOM3)
JCO M 4 JCO M 6
JCO M 5
Pin
1 0
9
1
2
3
2
1
4
5
6
7
8
9
10
BIPV10-IAP
Assignment
-PDCD
PSIN
PSOUT data
-PDTR
GND
-PDSR
-PRTS
-PCTS
-PRI
5V or 12V
15
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