8
2.3 Terminal Block
9
8
7
6
5
4
3
2
1
A
L
M
.O
U
T
G
N
D
A
LM
.R
S
T
R
E
C
G
N
D
F
U
L
L
G
N
D
S
W
.O
U
T
A
LM
.
IN
1.
ALM IN: (INPUT)
This is an alarm input, which can be programmed in the menu system to Normally Open or Normally
Closed. (Active low, 5V)
2.
GND:
Ground Contact.
3.
ALM RST: (INPUT)
This terminal connects to an alarm-clear device for clearing the alarm. (Active low, 5V)
4.
REC: (INPUT)
This terminal connects an external switch to turn the recording function of the DVR on/off. (Active low,
5V)
5.
GND:
Ground Contact.
6.
FULL: (OUTPUT)
This terminal sends out the full-disk signal. (Active low, 5V)
7.
ALM OUT: (OUTPUT)
This is an alarm output relay. Connect this to an external device like buzzers or lights. (Active low, 5V)
8.
GND:
Ground Contact.
9.
SW OUT: (OUTPUT)
This terminal, sending out the timing signal (falling/negative) to a multiplexer, connects to a
multiplexer’s trigger terminal so that the multiplexer can switch to use the same recording speed as the
DVR.
Summary of Contents for IV-100CD
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