Alarm In/Out, This Figure is from the Rear View

2.3 ALARM In/Out

DISK FULL

ALARM RESET
RECORD IN
5	4

		ALARM OUT
		GROUND
3	2	1

9 8

ALARM IN

NO CONNECTION

7 6

SWITCH OUT

NO CONNECTION

THIS FIGURE IS FROM THE REAR VIEW

1.GROUND:Ground Contact.

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

			5V
as buzzers or lights. (			0V(Active) )
as buzzers or lights. (			0V(Active) )

3.DISK FULL (O UTPUT): This is a disk full output trigger. Connect this to external devices such

			5V
as buzzers or lights. (			0V(Active) )
as buzzers or lights. (			0V(Active) )

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

(

5V 0V(Active) )

5. REC ORD (INPUT): This pin connects to a record trigger device for starting a record.

(

5V 0V(Active) )

6.SWITCH OUT (OUTPUT): This pin sends out timing signals (falling / negative) to a multiplexer and connects to a multiplexer’s trigger terminal so the multiplexer can switch to use the same recording speed as the DVR. (Refer to Section 4.1.1 for multiplexer configuration.)

7.NO CONNECTION

8.NO CONNECTION

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

			5V
Normally Open or Normally Closed. (			0V(Active) )
Normally Open or Normally Closed. (			0V(Active) )

SLD240 specifications

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