Panasonic KX-HCM270, Operating Instructions Manual

Page: 107 / 138

Operating Instructions
[For assistance, please call: 1-800-272-7033] 107
Circuit Diagram Example
CAUTION
• THE EXTERNAL I/O IS NOT CAPABLE OF CONNECTING DIRECTLY
TO DEVICES THAT REQUIRE LARGE AMOUNTS OF CURRENT. IN
SOME CASES, A CUSTOM INTERFACE CIRCUIT (CUSTOMER
PROVIDED) MAY HAVE TO BE USED. SERIOUS DAMAGE TO
NETWORK CAMERA MAY RESULT IF A DEVICE IS CONNECTED
TO THE EXTERNAL I/O THAT EXCEEDS ITS ELECTRICAL
CAPABILITY.
• THE LOW VOLTAGE/CURRENT CIRCUITS AND HIGH VOLTAGE/
CURRENT CIRCUITS ARE IN THE NETWORK CAMERA CIRCUIT.
THE QUALIFIED ELECTRICIAN SHOULD DO THE WIRING NOT BY
YOURSELF. INCORRECT WIRING COULD DAMAGE NETWORK
CAMERA. YOU COULD RECEIVE THE FATAL ELECTRIC SHOCK.
• External I/O (Input/Output) are independent. Output terminal is
controlled only by External Output Control window on page 87.
Light
Door Sensor
Relay
Network Camera
12 16 VDC
4
3
2
1