Maxtor MV-DR3000 operation manual Alarm In / Out, Above figure is a rear view, No Connection

1.4 ALARM In / Out

	DISK FULL
ALARM RESET		ALARM OUT
RECORD IN			GROUND

5 4 3 2 1

9 8 7 6

ALARM IN

NO CONNECTION

SWITCH OUT NO CONNECTION

The above figure is a rear view.

1.GND: Ground Contact.

2.ALARM OUT (OUTPUT): This is an alarm-output trigger. Connect this to external devices such as buzzers or lights.

5V

0V(Active)

3.DISK FULL (OUTPUT): This is a disk-full output trigger. Connect this to external devices such as buzzers or lights.

5V

0V(Active)

4.ALARM RESET (INPUT): This pin connects to an alarm-clear device for clearing an alarm.

5V

0V(Active)

5.RECORD IN (INPUT): This pin connects to a record-triggering device for starting a record.

5V

0V(Active)

6.SWITCH OUT (OUTPUT): This pin, sending out timing signals (falling / negative) to a multiplexer, connects to a multiplexer’s trigger terminal so the multiplexer can switch to using the same

recording speed as the DVR.

7.NO CONNECTION

8.NO CONNECTION

9.ALARM IN (INPUT): This is an alarm input, which can be programmed in the menu system to Normally Open or Normally Closed.

5V

0V(Active)

9