User`s manual

6、Remove two screws from the power box, and open it.
Thread power cable（AC220V）through the water-proof head on the left, and
RS485 and video cable through the water-proof head on the right.
Connect cables to the circuit board, double check order of connection to
avoid damage from wrong connection.
After cable connection, tighten the two heads, if necessary, appl
water-proof glue to the heads.
7、close power box, tighten the bracket to the power box. Double check if there
is joint gaps, if necessary, apply water-proof glue.