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2.3 ALARM In/Out
ALARM RESET
RECORD IN
5
ALARM IN
NO CONNECTION
THIS FIGURE IS LOOKED FROM 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. (
3.
DISK FULL (OUTPUT): This is a disk full output trigger. Connect this to external devices such
as buzzers or lights. (
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.
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 use 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. (
DISK FULL
4
3
9
8
7
5V
)
0V(Active)
5V
)
0V(Active)
8
ALARM OUT
GROUND
2
1
6
SWITCH OUT
NO CONNECTION
5V
)
0V(Active)
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