Motorola PTP 500 User's Guide Page 53

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PTP 300 and PTP 500 Series User Guide Cabling and lightning protection
phn-1115_006v000
Sep 2010
1-13
Cabling and lightning protection
The cabling and lightning protection components of a PTP 300 or PTP 500 installation
are:
Outdoor drop cable
Indoor CAT5e cable
Grounding cables
Lightning protection units
PTP and lightning protection
The PIDU Plus meets the low level static discharge specifications identified in EMC
immunity compliance on page 4-58 but do
es not provide lightning or surge
suppression.
The amount of lightning protection is dependent on regulatory requirements and the
end user requirements. The standard ODU is fitted with surge limiting circuits and
other features to minimize the risk of damage due to nearby lightning strikes. To be
fully effective, these standard features require some additional equipment to be
configured as part of the system installation.
CAUTION
The products are not designed to survive direct lightning strikes. For this
reason the units should not be installed as the highest point in a localized
area. See Grounding and lightning protection on
pa
ge 2-14.
Outdoor connections
The term ‘drop cable’ refers to the cable that is used for all connections that terminate
outside the building, for example, connections between the ODU, LPU (if installed),
GPS receiver (if installed) and the ODU port of the PIDU Plus.
CAUTION
For outdoor connections, always use Cat5e cable that is gel-filled and
shielded with copper-plated steel. This is the only type of outdoor drop cable
supported in this application. See Cable and connector specifications on
pag
e
4-17.
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