Pelco BB08 User Manual download pdf (Page 6)

6 Pelco Manual C456M-D (1/98)

3.0 INSTALLATION

3.1 SUSPENDED CEILING

1. Remove the ceiling tile from the ceiling. If you are installing the back box into a

2' x 4' (61 x 122 cm) ceiling grid, cut the tile in half and install an additional “T”

bar for support. Reinstall one of the 2' x 2' (61 x 61 cm) sections.

2. Bring the wiring to the back box opening in the ceiling.

• Video - Refer to Table A for the type of video coaxial cable to use.

• Power - If the input power to the dome is 24 VAC, refer to Table B to

determine the size of wire to use. The power requirement is 48 vA.

• Control - If you are using a Coaxitron

controller, the control signals to

operate the dome drive will be transmitted over the video coax.

If you are not using a Coaxitron

controller, bring wires to the back box

for two RS-485 control lines (RX+ and RX-).

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Pelco BB08 User Manual Page 6