JVC C11U Instruction Manual - Page 16
Connecting the Alarm I/O Terminals, This terminal is for connecting with a sensor, infrared
UPC - 046838325670
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Preparations (Step 1 Connection and Installation) 1-4 Connecting the Alarm I/O Terminals Connect the alarm I/O terminals with external equipment such as a sensor, buzzer, etc. 1 2 G 2 1 OUT COM Press the buttons for connecting or disconnecting cables as shown on the left. DC12V AC24V CLASS 2 ONLY For USA ISOLATED POWER ONLY For EUROPE INPUT OUTPUT ALARM PUSH POWER MONITOR OUT 10BASE-T/100BASE-TX For USA DO NOT CONNECT TO THE TELEPHONE NETWORK Push 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. Alarm Input Terminal This terminal is for connecting with a sensor, infrared, door or metallic, or a manual switch. VN-C11 DC3.3V R Terminal 1 or 2 OUT 3.3V 0.6mA Sensor Connection Example 1 VCC R Input Requirements • No-voltage relay "A-contact" input or NPN open collector input (A-contact: Contact is normally open and closes when the alarm is turned on.) Grounding terminal (Alarm input equivalent circuit) GND Sensor Connection Example 2 • Active low level • Latch/Momentary (at least 500 ms) • Circuit current at low level: 0.6 mA • Voltage applied at high level: 3.3 V OUT Relay, switch etc. GND 16