JVC V.NETWORKS VN-C30U Instructions Manual page 19

VN-C30U Examples of Alarm Output Terminal Interface
Alarm Output
Equivalent circuit
Note: Alarm setup menu of the V.NETWORKS setup tool
When an alarm device with a similar structure to interface
circuits shown here is connected, the OUT terminal of
VN-C30U varies as shown below according to the output
port setup.
At High level
At Low level
VN-C30U
Recommended connection cable
Maximum length: 50 meters(164 feet)
Recommended cable:
UL1007,UL1015 or equivalent
AWG#22 to AWG#18 or equivalent
Output time ( 2 to 5000 ms )
Alarm device interface circuit
( Example 1 )
Alarm device interface circuit
( Example 2 )
H level
L level
H level
L level
Alarm device interface circuit
Buzzer, Lamp,
LED, etc
Buzzer, Lamp,
LED, etc
( Example 3 )
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