9
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
1. GND:
Ground Contact.
2. ALARM OUT (OUTPUT):
This output is triggered by an alarm condition and is typically
connected to external devices such as buzzers or lights. (
5V
0V(Active)
)
3. DISK
FULL
(OUTPUT):
This output is triggered when the Hard Disk is full and is typically
connected to external devices such as buzzers or lights. (
5V
0V(Active)
)
4. ALARM
RESET
(INPUT):
When this pin is activated, an alarm condition will be cleared.
(
5V
0V(Active)
)
5. RECORD
(INPUT):
When this PIN is activated, the unit will start recording for the duration it is
active. (
5V
0V(Active)
)
6.
SWITCH OUT (MUX SYNC OUTPUT):
This pin sends out timing signals (falling / negative) to a
multiplexer’s trigger terminal to synchronize the multiplexer with the DGR201 .
7. NO
CONNECTION
8. NO
CONNECTION
9. ALARM IN (INPUT):
This is an alarm input that is can be activated by a normally open or
normally closed device. (The alarm input for normally open or normally closed is selectable isn
the main menu system. (
5V
0V(Active)
)
