Avaya DEFINITY Installation And Test page 69

Cell Antenna Unit
Replace ...
Figure 3-16. Replacing a Ceiling-Mounted Internal CAU with a 559D DCAU
To replace an indoor CAU that is mounted flush on a ceiling and aimed in a certain
direction, follow the preceding instructions. The DCAU should continue to point to
the floor.
The following figure shows how to replace an indoor CAU that is mounted on a
bracket on a ceiling and aimed in a certain direction.
Replace ...
Figure 3-17. Replacing a Bracket- and Ceiling-Mounted Internal CAU Aimed
Replacing a Wall-Mounted CAU with a
559D DCAU
The 559D DCAU cannot be wall-mounted. Therefore, to replace a wall-mounted
CAU with a 559D DCAU, do the following:
1. Find another CAU that is ceiling-mounted.
2. Replace the ceiling-mounted CAU with a 559D DCAU according to the
instructions in the previous section.
3. Replace the damaged wall-mounted CAU with the CAU that you just
removed from the ceiling.
Ceiling
CAU
Ceiling
CAU
in a Particular Direction with a 559D DCAU
With ...
DCAU
With ...
DCAU
Issue 6 September 2001 3-35