JVC V.NETWORKS VN-C30U Instructions Manual page 18

VN-C30U Examples of Alarm Input Terminal Interface
VN-C30U
R
GND
Alarm Input
Equivalent circuit
18
DC 5 V
1.2
5 V
G
Recommended connection cable
Maximum length: 50 meters(164 feet)
Recommended cable:
UL1007,UL1015 or equivalent
AWG#22 to AWG#18 or equivalent
OUT
1 mA
GND
Sensor device interface circuit
( Example 1 )
Relay, Switch, etc
OUT
GND
Sensor device interface circuit
( Example 2 )
PULL UP
R
GND