Nokia Flexi Zone Pico User Manual

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DCBlock:AlloutputportsmustsupplyaDCBlocktoprotecttheFZPGPSinputs.
GPSNetworkingInc.isoneofthevendorsthatprovidethistypeofequipmentwhichcan
meettheserequirements.Belowaresomeexamplepartnumbers:
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8-Port:AL-DCB-S1X8-N/5/110
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16-portRackmount:RMAL-DCB-S1X16-N/5/110
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32-portRackmount:RMAL-DCB-S1X32-N/5/110
ThesemodelsincludetheDCBlockonalloutputports,providethe5VDCfortheactive
antenna,utilizeNtypeconnectionsandarepoweredvia110VAC.ForotherACpower
optionsthe“110”inthepartnumberabovecanbereplacedwitheither“220”or“240”
dependingontheavailablelocalpower.Ifutilizingadistributionnetworkinsurethatall
groundingandsurgesuppressionrequirementsarefollowed.
7.1.2 RF Interference
WhiletheBTSGPSreceiverandrecommendedantennasprovideahighlevelofoutof
bandinterference,rejectioncareneedstobetakentoavoidplacingtheGPSantennain
thedirectradiationpathofcellularorothertransmitantennas.Tominimizeinterference
potentialtheGPSantennaneedstobepositionedatadifferentelevationandasfaras
possiblefromnearbytransmitantennas.ThegraphpresentedinFigure10:Maximum
GPSReceiverInterferencePowerLevelvs.Frequencycanbeusedtoidentifythe
maximuminterferencesourcepowerlevelspresentedattheGPSantennasurface
(assumingthataNokiarecommendedGPSantennaisinuseandRFsignalpresented
totheGPSreceivermeetsalllevelandnoisefigurerequirements).
Differentinterferencerejectionperformancecanbeexperiencedwithother(non-Nokia
recommended)GPSantennatypesorwhentheGPSreceiverisnotprovidedwiththe
required(minimumormaximum)RFsignallevels.
Figure10
MaximumGPSReceiverInterferencePowerLevelvs.Frequency
Interferenceabovelimits
Interferencewithinlimits
Power
Level
-5dBm
-45dBm
-110dBm
Frequency
1525MHz 1555MHz
1575.42MHz
1595MHz 1625MHz
7.2 Synchronous Ethernet and Synchronous Ethernet
generation
AccordingtoG.8261,SynchronousEthernetprovidesaSDH-likemechanismfor
distributingfrequencyinformationatLayer1.TheBTSreceivesthefrequency
informationfromthedirectlyconnected(next-hop)EthernetswitchorIProuterthrough
theEthernetlink.
FlexiZoneIndoorPicoBTSProductDescription Synchronization
Issue:01 DN09210454 23
 

Nokia Flexi Zone Pico Specifications

General

Brand	Nokia
Model	Flexi Zone Pico
Category	Network Hardware
Language	English