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The figure below illustrates the DB-9 Serial connector.
5
9
Figure A-4. Serial connector
The table below lists Serial connector pinouts.
Table A-9. Serial Connector Pinouts
Pin
1
2
3
4
5
6
7
8
9
DCS-200 • User's Guide
1
6
RS-232 Signal
CD
TXD
RXD
DSR
GND
DTR
CTS
RTS
RI
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Description
Carrier Detect
Transmitted Data
Received Data
Data Set Ready
Signal Ground
Data Terminal Ready
Clear To Send
Request To Send
Unused
Pinouts
121