Serial Port Connectors - Boser HS-6250 Manual

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3.11 Serial Port Connectors

The HS-6250 offers two NS16C550 compatible UARTs with
Read/Receive 16byte FIFO serial ports with two internal 10pin header.
CN11, CN12: COM1/COM2 (5x2 Header)
PIN Description
1
3
5
7
9
CN17: COM1 (DB9 only for HS-6250V)
PIN
1
2
3
4
5
6
7
8
9
PIN
DCD 2
RXD 4
TXD 6
DTR 8
GND 10
2 4 6 8 10
1 3 5 7 9
Description
DCD
RXD
GND
TXD
DTR
DTR
GND
TXD
DSR
RXD
RTS
CTS
DCD
RI
34
33
Description
DSR
RTX
CTX
RI
N/C
5 9
RI
CTS
RTS
DSR
1 6
17