Pelco 2 C2485M-A (1/05), C2485M-A (1/05), C2485M-A (1/05) 3

4 C2485M-A (1/05)

Preinstallation

Install the ﬁber optic module: Open the hinged door to the back box

by pushing the tab lock towards the wall of the unit and lifting the

door open. Remove the plug from the 16-pin connector. Install the

module in the 16-pin connector. Secure the module to the circuit

board standoff using the screw and lock washer provided. Connect

the back box ﬁber optic connector to the mating connector on the

module. Follow all applicable instructions provided by the

manufacturer of the ﬁber optic module.

Loosen the V-band attached to the back box and let it hang to

the side.

Prepare the lower dome for installation:

a. Remove the O-ring from the lower dome.

b. Lightly apply O-ring lubricant (supplied) to the O-ring.

c. Reinstall the O-ring in the groove on the trim ring.

IMPORTANT:

Use the supplied O-ring lubricant to ensure an air-

tight seal when installing the lower dome.

Attach the back box leash to the lower dome, and let the lower

dome hang to the other side of the back box.

16-PIN

CONNECTOR