Table 12: Protection Requirements; Figure 89: Diagram Of A Typical Mast Installation - Motorola Canopy 300 Mbps Backhaul User Manual

Ground (Earth) ODU
Surge Arrestor Unit at ODU – ALPU-
Ground (Earth) Cable at Building
Surge Arrestor Unit at Building Entry
Issue 1.1 April 2006
the ODU to be mounted inside Zone B
Screen Cable
ORT
Entry
– ALPU-ORT

Table 12: Protection Requirements

150/300
Andrew
Mbps BH
Grounding
ODU
Assembly to
Tower
Surge
Arrestor to
ODU Ground
Connection
Note: There be a local
regulatory requirement to
cross bond the Cat 5e cable at
regular intervals to the mast,
this may be as frequent as
every 10 metres
Andrew
Grounding
Assembly to
Tower
Grounding Stakes

Figure 89: Diagram of a Typical Mast Installation

Zone A
Mandatory Mandatory
Mandatory Mandatory
Mandatory Mandatory
Mandatory Mandatory
Mandatory Mandatory
Surge Arrestor
mounted the same
height as the ODU
Ground Connections
should be less than
2ft long. All upper
tower grounds should
be within 1ft of the
ODU bracket and on
the same metal
Screened CAT 5 cable
Grounding Cable
Surge Arrestor
150/300 BH PIDU Plus
Copper Connection to
Network
Zone B
Page 131