22
Connectors and Jumpers
4.2.8.
Serial COM Port Connectors (CN29-CN34)
Four internal Serial Ports (COM1-6)
Serial Port
Functions
COM1
Supports RS-232/422/485, 0V5V/12V power
support by jumper selection
SWS1M: Switch for mode selection of COM1
(default RS-232).
COM2
Supports RS-232/422/485, 0V/5V/12V power
support by jumper selection
SWS2M: Switch for mode selection of COM2
(default RS-232).
COM3
Supports RS-232
COM4
Supports RS-232
COM5
Supports RS-232
COM6
Supports RS-232
RS-232 (COM1-6)
Pin # Signal
Pin # Signal
1
DCD
2
DSR
3
RxD
4
RTS
5
TxD
6
CTS
7
DTR
8
RI
9
GND
10
NC
RS-422 (COM1-2 only)
Pin # Signal
Pin # Signal
1
Tx-
2
—
3
Tx+
4
—
5
Rx+
6
—
7
Rx-
8
—
9
GND
10
NC
Summary of Contents for AmITX-AL-I
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