PLANET ICA-H312 - Manual (Page 71)

Explanation of External I/O Circuit Diagram:
CAUTION! 9 The low voltage/current circuits and high voltage/current circuits are in the
network camera circuit. The qualified electrician should do the wring not by
yourself incorrect wiring could damage network camera. You could receive
the fatal electric shock.
9 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.
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