Figure 3-6: Grounding And Power Surge Protection - AudioCodes MediaPack Series MP-11x Installation Manual

This fixture must be connected alongside or within the Main Distribution Frame (MDF). You
must connect the grounding connection of this electrical cabinet to the grounding bus of the
electrical circuit board, using AWG wires of at least 10mm
meters.
MP-124 must be connected to the power surge protector using minimum 26-AWG wire
thickness.
MP-124 must be installed in the Telecommunication rack. MP-124 grounding screw must
be connected to the equipotential grounding bus bar located in the Telecommunication
rack, using a wire of 6mm
bus bar of the electrical circuit board located in the Telecommunication room, using a
stranded cable with surface area of 25 mm
possible; no longer than 3 meters.
The MP-124 chassis is equipped with a protective earthing screw. Ensure that you connect
this to the grounding point using a suitable wire. Fasten the cable securely using a 6-32
UNC screw.
The figure below illustrates the connection method for grounding and lightning protector.
Telephone Lines
Outside Building
Hardware Installation Manual
2
surface wire. This line must be connected to the equipotential

Figure 3-6: Grounding and Power Surge Protection

Main Distribution Frame (MDF)
Tip
Stranded
Wire
2
10 mm
Ring
Primary Lightning
Protection (CIRCA)
To Foundation
Reinforcement/Ring Conductor (Ground)
2
. The length of this cable must be as short as
Telecommunication Room
26 AWG
Equipotential
Ground Bus Bar
Equipotential Ground Bus
in Electrical Board
28
MediaPack Series
2
and maximum length of 3
Equipment Rack
50-Pin Telco for
Telephone Lines
MP-124
Stranded Wire
2
6 mm
MP-124
Document #: LTRT-59815