Matrox Electronic Systems II manual RS-232 input connector, Trigger input connector

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:
		Pin	Signal	Description
		1	N/C	Not connected.
		2	RX	Receive.
1	6	3	TX	Transmit.
2
	7	4	N/C	Not connected.
3
	8	5	GND	Ground.
4
	9
5		6	N/C	Not connected.
		7	RTS	Request To Send.
		8	CTS	Clear To Send.
		9	N/C	Not connected.

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	TTL TRIG	TTL trigger.
		2	OPTO TRIG-	Opto-isolated trigger (negative input).
1	6	3	N/C	Not connected.
	7
2		4	N/C	Not connected.
	8
3
	9	5	N/C	Not connected.
4
5		6	GND	Ground.
		7	OPTO TRIG+	Opto-isolated trigger (positive input).
		8	N/C	Not connected.
		9	N/C	Not connected.