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Table 15 - protection requirements – Motorola PTP 400 Series User Manual

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Zone A

Zone B

Earth ODU

Mandatory

Mandatory

Screen Cable

Mandatory

Mandatory

Surge Arrestor Unit at ODU – ALPU-

ORT

Mandatory Mandatory

Earth Cable at Building Entry

Mandatory

Mandatory

Surge Arrestor Unit at Building Entry

– ALPU-ORT

Mandatory Mandatory

Table 15 - Protection Requirements

Fiber Connection to

Network

Where fitted

Copper Connection to

Network

PIDU Plus

Surge Arrestor

Surge Arrestor
mounted the same
height as the ODU

Andrew

Grounding

Assembly to

Tower

Screened CAT 5e cable

Andrew

Grounding

Assembly to

Tower

Surge Arrestor

Grounding Stake

Grounding Cable

Power/Ethernet

Connection

Optional Ethernet Fibre

connection to ODU

ODU

Surge Arrestor

Surge Arrestor

to ODU Ground

Connection

Surge Arrestor to

ODU Ground

Connection

Typical Mast Installation

Typical Wall Installation

Grounding Stakes

Fiber Connection to Network

Where fitted

Copper Connection

to Network

ODU

Optional Ethernet
Fibre connection to
ODU

Ground Connections should

be less than 0.6 metres

(2 feet) long. All upper

tower grounds should be

within 0.3 metres (1 foot) of

the ODU bracket and on the

same metal

Screened CAT 5e cable

PIDU Plus

Fitted inside building

Figure 78 - Diagrammatically showing typical wall and mast installations