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l COM1: RS-232 Serial Port #1 Connector (D-Sub)
Pin No.
1
2
3
4
5
6
7
8
9
1
6
l COM2: Serial Port #2 Connector (D-Sub)
Pin No.
1
Data Carrier Detect (DCDB #)
2
3
4
Data Terminal Ready (DTRB)
5
6
7
8
9
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 #)
5
9
COM2
RS-232
Receive Data (RXDB#)
Transmit Data (TXDB)
Ground (GND)
Data Set Ready (DSRB#)
Request To Send (RTSB#)
Clear To Send (CTSB#)
Ring Indicator (RIB#)
JUMPER SETTING AND CONNECTORS
1
6
Description
RS-422
Transmit Data- (TXD-)
Transmit Data+ (TXD+)
Receive Data+ (RXD+)
Receive Data- (RXD-)
~ 17 ~
5
9
COM1
RS-485
DATA-
DATA+
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
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