Lanner electronics EM-561 Series User Manual page 20

l COM1 : RS-232 Serial Port #1 Connector ( D-Sub )
Pin No.
1 Data Carrier Detect ( DCDA # )
2
3
4 Data Terminal Ready ( DTRA # )
5
6
7 Request To Send ( RTSA # )
8
9
COM1
1
6
l COM2 : Serial Port #2 Connector ( Header )
Pin No.
1
2
3
4
5
6
7
8
9
10
COM2
1
9
Description
Receive Data ( RXDA )
Transmit Data ( TXDA )
Ground ( GND )
Data Set Ready ( DSRA # )
Clear To Send ( CTSA # )
Ring Indicator ( RIA # )
5
9
Description
Data Carrier Detect (DCDB #)
Receive Data (RXDB)
Transmit Data (TXDB)
Data Terminal Ready (DTRB #)
Ground
Data Set Ready (DSRB #)
Request To Send (RTSB #)
Clear To Send (CTSB #)
Ring Indicator (RIB #)
NC
2
10
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COM1
COM2