Motorola PTP 500 User Manual download pdf (Page 2)

Protect Your Installation

Attention

ElectroMagnetic Discharge (Lightning)

Protect Your Installation!

EMD (Lightning) damage is not covered under warranty.

The recommendations on this card and in the user manual, when installed correctly, give

the user the best protection from the harmful effects of EMD. However 100% protection is

neither implied or possible.

The recommended standard components for protecting installations are:

• Screened CAT 5e cable also known as Shielded CAT 5e or CAT 5e STP (Shielded Twisted

Pair)

• Surge arrestor: type PTP-LPU: 2 per link (1 Motorola Kit Part Number WB2978AA)

• Grounding stake (if no suitable grounding point can be found)

• Grounding cable: minimum size 8 AWG, preferably 6 or 4 AWG

• RJ45 screened connectors

• Andrew grounding assembly type 223158 or similar (if required by local regulations).

NOTE: If a coaxial (or other) cable is already cross-bonded to the mast or tower, the same

cross bonding points on the mast or tower must be used for the CAT 5e cable.

We recommend that the practices and procedures detailed in the Motorola manual R56

STANDARDS AND GUIDELINES FOR COMMUNICATION SITES (68P81089E50) be applied to

all new site build activities. This manual is provided on the PTP 300 or PTP 500 CD-ROM.

Lightning Protection Unit

(PTP

-LPU)

Grounding Stake

Grounding Cable

(from Custome

)

Power/Ethernet

Connection

ODU

Typical Wall Installation

Copper Connection

to Network

Screened CAT 5e cable

PIDU Plus

Fitted inside building

Copper Connection to

Network

PIDU Plus

Lightning Protection Unit PTP-LPU.

Ty pical Mast

Towe

Installation

Grounding Stake

ODU

Ground Connections should be

less than 0

.6 meters (2 feet) long.

ll upper tower grounds should

be within 0

.3 meters (1 foot) o

the ODU bracket and on the

same metal.

ODU is supplied with

1 ground cable (0.6

metres length)

PTP - LPU to ODU

Screened CAT 5

1 2 3 ... 26

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Motorola PTP 500 User Manual Page 2

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