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12 C3446M (7/08)
Cover and Back Box Installation
The Spectra Mini IP is an indoor dome system designed for ceiling applications. The dome can be mounted
to the surface of ceilings, or it can be recessed in hard ceilings or standard 2 x 2 ft (61 x 61 cm) tiles in
suspended ceilings.
SURFACE MOUNT INSTALLATION
1. Prepare the ceiling as follows:
a. Using the surface mount ring as a template, drill holes for the mounting hardware.
• Standard ceiling: When mounting the dome system to a standard ceiling, use either
6-32 toggle bolts (not supplied) or #8 x 3.50-inch self-tapping screws (supplied). Refer
to Figure 5 on page 13.
• Concrete ceiling: When mounting the dome system to a concrete system, use
8-32 studs and nuts (not supplied). Refer to Figure 6 on page 13.
b. Drill a hole in the ceiling for wiring. You do not have to run wiring through the ceiling; you can
fasten the wires to the ceiling and then run the wires through the air gap between the ceiling
and the surface mount ring.
2. Connect the wiring using one of the following options:
• Plug the network cable into the RJ-45 connector on the side of the dome drive.
• If the network has no PoE, connect a 24 VAC Class 2 power supply to the 24 VAC power
connector.
Refer to Figure 10 on page 17 for wiring connections.
3. If you are operating the dome system using 24 VAC and you are wiring more than one dome drive to
the same transformer, connect one side of the transformer to pin 1 of the 2-position terminal block
on all modules. Connect the other side of the transformer to pin 2 of the terminal block on all
modules.
NOTE: Failure to connect all modules identically may introduce noise in the video for some
installations.
4. Attach the dome drive to the ceiling.
Refer to Figure 5 and Figure 6 on page 13 when installing the dome drive.
5. Line up the tabs on the trim ring with the slots in the dome drive. Snap the trim ring and bubble into
place.
WARNING: Do not overtighten the mounting hardware; doing so can impede the pan movement
of the dome drive.