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Andrew
Grounding
Assembly to
Tower
Optional Ethernet
Fibre connection
to ODU
Figure A6: Diagrammatically Showing Typical Mast Installation with the addition of the E1/T1
Note: There may be a local regulatory requirement to cross bond the CAT 5 drop cable at
regular intervals to the mast. This may be as frequent as every 10 meters.
Issue 1.1 April 2006
Surge Arrestors
ALPU-ORT
mounted the same
height as the ODU
Spectra
Surge Arrestor
to ODU Ground
cable
Connection
Ethernet
Connection
Ground Connections should
be less than 2ft long. All
upper tower grounds should
E1/T1 Connection
be within 1ft of the ODU
bracket and on the same
Screened CAT 5 cable
Andrew
Grounding
Assembly to
Spectra PIDU
Tower
Surge
Arrestors
Optional Fibre
Connection to
Network
Grounding Stakes
metal
Copper Connection to
Ethernet Network
E1/T1 Connection
Page 158
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