I/O Ports - Maple Systems OMI6912A Operation Manual

OMI Operations Manual: OMI6900 Series

I/O PORTS

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