Earthing - ASCOM Ascotel 2025 System Manual

3.1

Earthing

Make sure you install the earthing carefully in accordance with Fig. 4.7.
Direct connection
230 VAC
[1] Earthing (copper wire 2.5 mm
[2] Do not fit the jumper
Fig. 4.7: Earthing for direct connection (left) and indirect connection (right) of the building
cable installation
Note:
Earthing in a connection to a universal building cable installation via
main distribution frame corresponds to earthing in a connection via
main distribution board.
HBT_20321104_04/B0_en
Socket
PBX
[1]
haz1104aaena0
2
, yellow / green)
ascom Ascotel 2025/2045/2065
Indirect connection
230 VAC
Main distri-
bution board
Earthing and Protecting the PBX
Socket
PBX
[1]
haz1105aaena0
4.9