Impact-E 3x series embedded computer user manual
Page 22 of 40
Serial Port COM1/2 Connector (D-SUB9 Male)
PIN NO.
DESCRIPTION
TYPE
RS-232
RS-422
RS-485
1
Data Carrier Detect ( DCDA # )
422TX+
DATA+
2
Receive Data ( RXDA )
422TX-
DATA-
3
Transmit Data ( TXDA )
422RX+
4
Data Terminal Ready ( DTRA # )
422RX-
5
Ground ( GND )
6
Data Set Ready ( DSRA # )
7
Request To Send ( RTSA # )
8
Clear To Send ( CTSA # )
9
Ring Indicator ( RIA # )
NOTE:
COM1:RS-232 Only; COM2:RS-232,RS422,RS485
DIO Connector ( D-SUB9 Female)
PIN NO.
DESCRIPTION
1
Digital IN 0
2
Digital IN 1
3
Digital IN 2
4
Digital IN 3
5
Ground
6
Digital Out 0
7
Digital Out 1
8
Digital Out 2
9
Digital Out 3
Manual
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