Approach Tech LC-7314 manual Alarm I/O, RS-485 D+ DC OUT

2.2 ALARM I/O

1.ALM-OUT A	7.RS-485:D+
2.ALM-OUT B	8.RS-485:D-
3.ALM-IN +	9.DC-OUT(5V)
4.ALM-IN -	10.GND
5.ALM-RST +	11.AUDIO-IN
6.ALM-RST -	12.AUDIO-OUT

1 & 2.	ALARM OUT (OUTPUT): This is an alarm output trigger. Connect this to external
	devices such as buzzers or lights. (			5V, 20mA
				0V(Active) )
3 & 4.	ALARM IN (INPUT): This is an alarm input that can be programmed in the menu
			5V, 20mA
	system to active low. (		0V(Active) )
5 & 6.	ALARM RESET (INPUT): This pin connects to an alarm-clear device for clearing an
		5V, 20mA
	alarm. (	0V(Active) )

7.RS-485 D+

8.RS-485 D-

9.DC OUT (5V)

10.GND: Ground contact.

11.AUDIO IN

12.AUDIO OUT: This provides the unit’s audio signal to a speaker.

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