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OMI Operations Manual: OMI6900 Series
18
OMI Operations Manual: OMI6900 Series
18
I/O PORTS
COM1 and COM2:
Connector Type: DE9P male serial ports.
COM1*
COM2
Pin #
(RS-232 Default)
(RS422)
(RS485)
(RS232)
1
DCD
NC
DCD
2
RXD
422_RX-
NC
RXD
3
TXD
422_TX-
485-
TXD
4
DTR
485+
DTR
5
GND
GND
GND
GND
6
DSR
NC
NC
DSR
7
RTS
NC
NC
RTS
8
CTS
NC
NC
CTS
9
RI
NC
NC
RI
* Refer to “Setting COM1 Function” to set the communication mode.