
13
3.11 Serial Port Connectors
The HS-7005 offers NS16C550 compatible UARTs with Read/
Receive 16-byte FIFO serial ports.
CN7/CN9/CN11: COM 1/COM 3/COM 4 Connector (5x2
Header)
PIN Description PIN Description
1
DCD
2
DSR
3
RXD
4
RTS
5
TXD
6
CTS
7
DTR
8
RI
9
GND
10
GND
1
9
10
2
CN8: COM 2 Connector (7x2 Header)
PIN Description PIN Description
1
DCD
2
DSR
3
RXD
4
RTS
5
TXD
6
CTS
7
DTR
8
RI
9
GND
10
GND
11
TXD+
12
TXD-
13
RXD+
14
RXD-
1
2
13
14
JP4: COM 2 use RS-232 or RS-422 or RS-485 Select
Options
Settings
RS-232 (default)
Short 11-12
RS-422
Short 1-2, 3-4, 7-8, 9-10
RS-485
Short 1-2, 3-4, 5-6, 9-10, 13-14
1
2
13
14