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FSN Series • User’s Guide
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Pinouts
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The figure below illustrates the 9-pin D RS-232 serial connector:
Figure A-4.
Serial 9-pin D connector
The table below lists 9-pin D connector pinouts for the
System Card
’s front serial RS-232
diagnostic port:
The table below lists 9-pin D connector pinouts for the
System Card
’s two rear serial ports:
Table A-15.
System Card 9-pin D Front Diagnostic Port Pinouts
Pin
Signal
Pin
Signal
1
CD - Carrier Detect
6
DTR - Data Terminal Ready
2
TXD - Transmitted Data
7
CTS - Clear To Send
3
RXD - Received Data
8
RTS - Request To Send
4
DSR - Data Set Ready
9
Unused
5
GND - Signal Ground
Table A-16.
System Card 9-pin D Rear Serial Port Pinouts
Pin
Signal
Pin
Signal
1
GND - Signal Ground
6
GND - Signal Ground
2
RX-
7
RX+
3
TX+
8
TX-
4
Ground
9
Ground
5
Unused
1
5
6
9
Female
(View from wiring side)