Connecting The Alarm I/O Terminals; Alarm Input Terminal - JVC VN-C655U Read Me First

Preparations (Step 1 Connection and Installation)
Cable Connections (continued)

6. Connecting the Alarm I/O Terminals

Connect to the equipment with alarm input terminal using the alarm signal cable.
Cable
Flat-blade
screwdriver

7. Alarm Input Terminal

This terminal is for connecting with a sensor, infrared, door or metallic, or a manual
switch.
VN-C655
DC18V
R
Terminal 1 or 2
18V
Grounding
terminal
(Alarm input equivalent circuit)
18
4 m m
Flat-blade
screwdriver
Sensor
Connection
Example 1
VCC
R
OUT
0.6mA
GND
Sensor
Connection
Example 2
Relay, switch etc.
OUT
GND
• The connector can be released by loosening the
screws on the two sides as shown in the figure.
• Strip the coating of each cable by about 4 mm
before inserting it. After connecting all of the
cables, turn the screws on the side to fasten the
connectors.
Cable Specifications
50 m max.
UL1007, UL1015 or equivalent
AWG #22 to AWG #18 or equivalent
Caution
Due to external noise, the camera may not
work properly even if the length of the cable
is less than 50 m. If this occurs, use a
shielded cable or keep the cable away from
the noise source.
Input Requirements
• No-voltage relay input or NPN open collector
input
• The polarity of the input detection can be
selected via software.
• Make/Break/Toggle (at least 500 ms)
• Circuit current at low level: 0.6 mA
• Voltage applied at high level: 18 V