2.
Check obstructions.....None
3.
Composition of the earth rod.....Metal
4.
Depth of the earth rod.....More than 50 cm
5.
Cross sectional area of the earthing wire.....More than 1.3 mm
Notes
•
The above figures are recommendations only.
•
The length of earth rod and the required depth depend on the composition of the soil.
2.2 Installation of the Hybrid IP-PBX
2
Installation Manual
53