8
2.3 ALARM In/Out
ALARM IN
ALARM OUT
RECORD IN
GROUND
DISK FULL
ALARM RESET
NO CONNECTION
NO CONNECTION
SWITCH OUT
1
2
3
4
5
6
7
8
9
THIS FIGURE IS FROM THE REAR VIEW
1.
GROUND:
Ground Contact.
2.
A LARM OUT (OUTPUT):
This is an alarm output trigger. Connect this to external devices such
as buzzers or lights. (
5V
0V(Active)
)
3.
DISK FULL (O UTPUT):
This is a disk full output trigger. Connect this to external devices such
as buzzers or lights. (
5V
0V(Active)
)
4.
A LARM 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.
A LARM IN (INPUT):
This is an alarm input which can be programmed in the menu system to
Normally Open or Normally Closed. (
5V
0V(Active)
)
