Motorola MotoWI4 PTP 600 Series Specifiche Scaricare il pdf (Pagina 26)

PTP SOLUTIONS GUIDE

Installation with PTP 400 and PTP 600 Series Radios:

For the best possible protection, each PTP 400 and PTP 600 radio requires two Lightning Protection Units

(PTP-LPUs), one installed adjacent to the radio on the wall, tower or mast, and one installed at the cable

entry point of the building in which the network resides. The following are main installation conﬁgurations

that can be deployed with the Motorola PTP 400 and PTP 600 Series wireless Ethernet bridges:

• Tower/mast/wall conﬁguration – uses two PTP-LPU units with each PTP 400 or PTP 600 radio

• Tower/mast/wall conﬁguration with T1/E1 – uses two PTP-LPU units per radio and two additional

PTP-LPU units per T1/E1

• Tower/mast/wall conﬁguration with a Memorylink UltraSync™ GPS-100M Synchronization Unit –

uses two PTP-LPU units per radio

• Tower/mast/wall conﬁguration with T1/E1 and an UltraSync GPS-100M – uses two PTP-LPU units per

radio plus two additional PTP-LPU units per T1/E1

Product Requirements:

• Maximum Cable Lengths

> Ground connection: < 2 ft (0.6 meters)

> Upper tower grounds: within 1 ft (0.3 meters) of the ODU bracket and on the same metal

• When connected to the back of an ODU, the minimum pole diameter required is 2.5 inches (6.35 cm)

• Grounding stake (included)

Installation with PTP 500 Series Radios:

Because PTP 500 radios have built-in lightning protection capability, there is no need to deploy an external

lightning protection device on a tower or wall adjacent to the radio. The lightning protection built into the

PTP 500 radio contains all the protection required at the top of the tower or wall. However, an external

PTP-LPU is required near the base of the tower or wall at the cable entrance point leading to the network.

The Motorola PTP 500 LPU End Kit contains one lightning protection unit for use as the external unit to be

installed near the base of the tower or wall. Together the lighting protection built into the PTP 500 radio and

the external PTP-LPU offer excellent protection from the harmful effects of lightning.

For detailed installation instructions, refer to the PTP-LPU User Manual.

PTP-LPU Product Description continued

PTP Lightning Protection Unit

mounted on a tower or mast

with a PTP 400 or PTP 600

Series radio

Note: Motorola strongly recommends purchasing

the Motorola wi4 Fixed PTP Lightning Protection

Unit (PTP-LPU) as an integral part of a PTP link,

excluding PTP 100 Series links. While purchasing the

Motorola PTP Link Guard All Risk Extended Warranty

will cover the cost of replacing a radio damaged by

lightning, deploying lightning protection initially will

help the operator avoid the delays and costs associ-

ated with taking down damaged radios and installing

replacement units. When correctly installed, the

Motorola PTP Lightning Protection Unit gives the

PTP radio the best protection from the harmful

effects of lightning. However, 100% protection is

neither implied nor possible.

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