Serial Port Connectors - Boser HS-7002 Manual

3.11 Serial Port Connectors

The HS-7002's CN21, CN8, CN12 and CN14 provide four high
speed NS16C550 compatible UART with Read/Receive 16 byte
FIFO serial ports.
CN21: COM1 Connector (5x2 Header)
PIN Description PIN Description
1 DCD0
3 RXDD0
5 TXDD0
7 DTR0
9 GND
CN8: COM2 Connector (5x2 Header)
PIN Description PIN Description
1 DCD1
3 RXDD1
5 TXDD1
7 DTR1
9 GND
CN12: COM3 Connector (5x2 Header)
PIN Description PIN Description
1 DCD2
3 RXDD2
5 TXDD2
7 DTR2
9 GND
16
2 DSR0
4 RTS0
6 CTS0
RXDD0
8 RI0
TXDD0
10 N/C
2 DSR1
4 RTS1
6 CTS1
RXDD1
8 RI1
TXDD1
10 N/C
2 DSR2
4 RTS2
6 CTS2
RXDD2
8 RI2
TXDD2
10 N/C
DCD0 1 2 DSR0
3 4 RTS0
5 6 CTS0
DTR0 7 8 RI0
GND 9 10 N/C
DCD1 1 2 DSR1
3 4 RTS1
5 6 CTS1
DTR1 7 8 RI1
GND 9 10 N/C
DCD2 1 2 DSR2
3 4 RTS2
5 6 CTS2
DTR2 7 8 RI2
GND 9 10 N/C