4
3. Open top lid of the enclosure and remove the microphone cable.
4. Position the hole in the bottom of the enclosure over the previously drilled
hole in the ceiling.
5. Insert the cable gland, threaded portion, up through ceiling tile and enclosure.
6. Refit the flanged nut to secure the enclosure to the tile.
1.3.
Electrical connections
1. Pass the supplied multicore cable back up through the locking grommet and
pull the cable through until the desired height of the microphone is obtained.
2. Lock the cable in place by rotating the locking grommet clockwise.
3. Coil and loop the spare cable inside the C303-RF enclosure to allow for
further height adjustment if required.
4. Connect the cable to the PCB Phoenix block connector details are shown
below:
Pin Connection
1
SCRN (Screen) Ground (all)
2
Black Phase
– (all)
3
Red Phase +
4
Yellow Phase +
5
White Phase +