BOSER Technology HS-7000 Manual page 23

JP3: RS-232/422/485 Function Select
JP3
Short 1-3, 2-4
Short 3-5, 4-6
JP4: RS-232/422/485 Function Select
JP4
Short 1-3, 2-4
Short 3-5, 4-6
CN26: COM1 Connector (DB9)
PIN Description
1
2
3
4
5
6
7
8
9
IR1: IrDA Connector
PIN Description
1
2
3
4
5
Description
RS-232 (default)
RS-422/485
Description
RS-232 (default)
RS-422/485
DCD
5
RXD
GND
TXD
DTR
DTR
TXD
GND
RXD
DSR
DCD
1
RTS
CTS
RI
VCC
N/C
IRRX
GND
IRTX
9
RI
CTS
RTS
DSR
6
17