14 C3425M-E (1/09)
4. Remove an adjacent ceiling tile to access the unit.
5. Connect the video cable and wires:
•BNC: Connect the BNC connector from the unit to a mating BNC connector.
•UTP: Connect the blue wire to Video +; connect the gray wire to Video -.
6. Connect the power wires (refer to TableB).
AC operation only: If you are wiring more than one Camclosure to the same transformer, connect one
side of the transformer to the red wire on all units; connect the other side of the transformer to the
black wire on all units.
NOTE: Failure to connect all AC powered units the same way will cause the cameras to be out of
phase with each other and may produce a vertical roll when switching between cameras.
7. Reinstall the adjacent ceiling tile.
IN-CEILING INSTALLATION: FIXED CEILING/WALL
1. Remove the surface mount ring from the back box (refer to Figure 5 on page 12):
a. Place your fingers on the circular marks located on the sides of the surface mount ring.
b. Pinch the sides.
c. Lift and remove the surface mount ring from the back box. Do not discard the surface mount
ring, it is required to complete the installation.
2. Cut a hole 4 inches (10 cm) in diameter in the ceiling/wall (refer to Figure8 on page 15).
3. Pull the video and power wires through the opening.
4. Connect the video cable and wires:
•BNC: Connect the BNC connector from the unit to a mating BNC connector.
•UTP: Connect the blue wire to Video +; connect the gray wire to Video -.
5. Connect the power wires (refer to TableC).
AC operation only: If you are wiring more than one Camclosure to the same transformer, connect one
side of the transformer to the red wire on all units; connect the other side of the transformer to the
black wire on all units.
NOTE: Failure to connect all AC powered units the same way will cause the cameras to be out of
phase with each other and may produce a vertical roll when switching between cameras.
Table B. Power Input: In-Ceiling, Suspended Ceiling Installation
Voltage Red Wire Black Wire
12 VDC + Ground
24 VAC ~ ~
Table C. Power Input: In-Ceiling, Fixed Ceiling/Wall Installation
Voltage Red Wire Black Wire
12 VDC + Ground
24 VAC ~ ~