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106 Appendix D: Technical information Matrox Meteor-II /Digital
RS-232 input connector
The RS-232 signals are routed through a 9-pin male connector
on the second mounting bracket, to a 10-pin RS-232 connector
on the board (see the installation diagram in Chapter 2).
The pinouts of the 9-pin DB9 male connector are as follows:
Trigger input connector
The trigger input connector is routed through the 9-pin female
connector on the second mounting bracket to a 4-pin connector
on the board.
The pinouts of the 9-pin DB9 female connector are as follows:
Pin Signal Description
1 N/C Not connected.
2 RX Receive.
3TX Transmit.
4 N/C Not connected.
5 GND Ground.
6 N/C Not connected.
7 RTS Request To Send.
8 CTS Clear To Send.
9 N/C Not connected.
Pin Signal Description
1 TTL TRIG TTL trigger.
2 OPTO TRIG- Opto-isolated trigger (negative input).
3 N/C Not connected.
4 N/C Not connected.
5 N/C Not connected.
6GND Ground.
7 OPTO TRIG+ Opto-isolated trigger (positive input).
8 N/C Not connected.
9 N/C Not connected.
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