5 Electrical connections
5.8.3 Communication, serial links
134 A 3HAC 16245-1
The table below shows the signals from the COM1 (RS232):
Connections on
DSQC 504, D-sub
connector X10,
COM2
The figure below shows the pin configuration of the connector:
xx0100000220
The table below shows the connections to connector X10:
Connections on
DSQC 504, D-sub
connector X9,
COM3
The figure below shows the pin configuration of the connector:
xx0100000220
The table below shows the connections to connector X9:
Signal Pin Description
DCD 1 Data carrier Detect
RX 2 Receive Data
TX 3 Transmit Data
DTR 4 Data Terminal Ready
GND 5 Signal Ground
DSR 6 Data Set Ready
RTS 7 Request To Send
CTS 8 Clear To Send
RI 9 Ring Indicator
NC 10 Not Connected
COM2 Signal name X10 pin
1
RxD (Receive Data) 2
TxD (Transmit Data) 3
DTR (Data Terminal Ready) 4
0 V 5
DSR (Data Ready Set) 6
RTS N (Request To Send N) 7
CTS (Clear To Send) 8
9
5
1
9
6
COM3 Signal name X9 socket
TxD (Transmit Data) 1
TxD N (Transmit Data N) 2
5
1
9
6
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