Pelco BB14 Series C454M-C User Manual

12

Pelco Manual C454M-C (1/98)

How your back box will be wired depends on the type of unit you have:

Units with an on-board receiver/driver
Units without an on-board receiver/driver (hard-wire applications)

Hardwire refers to installations using a remote receiver/driver or a true hardwire
controller.

On models for suspended ceilings or hard ceilings,  a plate is provided on the top of
the back box with 1/2" and 3/4" conduit knockouts.

1.

Bring the wiring to the back box.

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. For outdoor units, make sure the wiring can supply
power for the heaters and fan as well as the receiver/driver. Refer to Section
5.0, SPECIFICATIONS, for power requirements.

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

(2) RS-485 control lines (RX+ and RX-).

Refer to Figure 3, 4, or 5 for the following steps.

2.

Install the coaxial cable to the BNC connector.

3.

Install power to the 10-position terminal block. Make sure the power switch on
the side of the back box is off.

4.

If you are not using Coaxitron

®

 control, connect the control wiring to RXD+

and RXD-.

From controller

To 4-wire terminal inside back box

TXD+

RXD+

TXD-

RXD-