Lanner electronics EM-535 Series Manual page 25

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COM1 : RS-232 Serial Port #1 Connector ( D-Sub )
PIN NO.
1
2
3
4
5
6
7
8
9
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COM2 : Serial Port #2 Connector ( Header )
PIN NO.
1 Data Carrier Detect (DCDB #)
2 Data Set Ready (DSRB #)
3 Receive Data (RXDB)
4 Request To Send (RTSB #)
5 Transmit Data (TXDB)
6 Clear To Send (CTSB #)
7 Data Terminal Ready (DTRB #)
8 Ring Indicator (RIB #)
9
10
DESCRIPTION
Data Carrier Detect ( DCDA # )
Receive Data ( RXDA )
Transmit Data ( TXDA )
Data Terminal Ready ( DTRA # )
Ground ( GND )
Data Set Ready ( DSRA # )
Request To Send ( RTSA # )
Clear To Send ( CTSA # )
Ring Indicator ( RIA # )
1 5
6 9
COM1
RS-232
Ground
NC
2
1
EM-535 / 19
JUMPER SETTINGS AND CONNECTORS
DESCRIPTION
RS-422
Transmit Data– (TXD-)
NC
Transmit Data+ (TXD+)
NC
Receive Data+ (RXD+)
NC
Receive Data- (RXD-)
NC
NC
NC
10
9
COM2
RS-485
Data -
NC
Data +
NC
NC
NC
NC
NC
NC
NC