Approach Tech DVR-3024MD Manual de usuario descargar pdf (Pagina 10)

8

ALARM1 IN ALARM4 IN

ALARM2 IN ALARM3 IN

ALARM OUT

RECORD IN GROUND

DISK FULL

ALARM RESET

12345

6789

5V

0V(Active)

5V

0V(Active)

1.4 ALARM In / Out

The above figure is the 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 trigger device for starting a

record.

6. ALARM4 IN (INPUT): This is an alarm

input (for CH 4), which can be

programmed in the menu system to

Normally Open or Normally Closed.

7. ALARM3 IN (INPUT): same as the above,

for CH 3

8. ALARM2 IN (INPUT): same as the above,

for CH 2

9. ALARM1 IN (INPUT): same as the above,

for CH 1

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