Alarm Input/Output Terminal Connection; Alarm Input Terminal; Alarm Output Terminal - JVC VN-V25U Instructions Manual

Alarm Input/Output Terminal
Connection
Connect the alarm input/output terminals with
external devices, such as a sensor or buzzer.
Plug/Unplug the cable while pressing the button
as shown in the diagram below.
Cable to use
● Shielded cable
● Length of 50 m or shorter
1 2
AC24V
MONITOR
OUT
SEE INSTRUCTION MANUAL
CAUTION
: NEVER USE
DO NOT CONNECT TO THE TELEPHONE NETWORK
Push
Caution:
● Noises from an external source may cause
the camera to malfunction even when the
cable used is within 50 m. In this case, move
the cable away from the noise source.

Alarm Input Terminal

Connect this terminal to sensor devices, such as
an infrared sensor, door sensor, metal sensor or
manual switch.
Input requirements
● No-voltage relay NPN open collector input
● Polarity of input detection can be selected
using a software
● Make/Break (500 ms and above)
● Circuit current at low level: 1 mA
● Applied voltage at high level: 3.3 V
G 2 1 2 1
ALARM
10BASE-T/
100BASE-TX
PoE AC 24V
AND AT THE SAME TIME
PUSH
VN-V25U
DC3.3 V
INPUT 1 or
2 Terminal
R
3.3 V
G Terminal
(Alarm Input Equivalent Circuit)

Alarm Output Terminal

Connect this terminal to annunciating devices,
such as annunciators, indicators, lights, or
buzzers.
Output requirements
● Equivalent to NPN open collector output (Set
the output logic using the Internet Explorer)
● Allowable applied voltage: DC12 V and below
● Allowable inflow current: 50 mA
● Momentary (100 ms - 5000 ms) output
(Set time using the Internet Explorer
(A Page 46))
VN-V25U
OUTPUT 1
or 2 Terminal
G Terminal
(Alarm Output Equivalent Circuit)
Caution:
● Connect the G terminal of this camera to the
GND terminal of the annunciating device or
alarm input sensor.
Sensor Example
(1)
VCC
R
OUT
1 mA
GND
Sensor Example
(2)
Relay Switch, etc.
OUT
GND
Annunciating
Device Example
DC 12 V
R
IN
GND
17