6.2 Installation of the Hybrid IP-PBX — KX-TDA30
Frame Earth Connection
Connect the frame of the Hybrid IP-PBX to earth.
Loosen the screw.
Insert an earthing wire (user-
Tighten the screw.
Connect the earthing wire to
* For earthing wire, green-and-yellow insulation is required, and the cross-sectional area of
the conductor must be more than 0.75 mm
Be sure to comply with applicable local regulations (e.g., law, guidelines).
Proper earthing (connection to earth) is very important to protect the Hybrid IP-PBX from
the bad effects of external noise or to reduce the risk to the user of electrocution in the
case of lightning strike.
The earthing wire of the AC cable has an effect against the external noise and lightning
strikes, but it may not be enough to protect the Hybrid IP-PBX. A permanent connection
between earth and the earth terminal of the Hybrid IP-PBX must be made.
or 18 AWG.