Panasonic KX-TDA100 Installation Manual page 39

1.
Never install or replace PSU during a lightning storm.
2.
Never install or replace PSU in wet locations.
3.
Never install or replace PSU unless at least 20 s has elapsed after the AC supply and
backup battery supply are disconnected.
4.
To protect the back board from static electricity, do not touch parts on the back board
in the main unit and PSU. To discharge static, touch ground or wear an earthing strap.
The following procedures are for installing or replacing a PSU only. Do not replace or
remove the PSU for any other purpose.
Installing the Power Supply Unit
1.
Insert the PSU along the guide rails.
CAUTION
For safety reasons, do not touch parts in the PSU.
Guide Rail
2.2 Installation of the Hybrid IP-PBX
Installation Manual 39