
8
BenchTesting
WhenbenchtestingtheZipLink,youneedtoknowthefollowing:
‐Theminimumdistancebetweentheradiosmustbe25feetor8
meters.IfyouhavetheMasterandRemoteZipLinkcloser
togetherthanthisduringtesting,thesystemmaynotoperate
properly,especiallyforVoIPservicestesting.
‐Youshouldalwaysorienttheradiossimilarlytohowtheywillbe
orientedwhentheyareinstalled.Optionally,youmaysitthem
BOTHsidewayswiththeSKYarrowpointingatthesamewallto
facilitateeasyRJ45cableinstallation.
‐Bothunitsshouldbeelectricallygroundedontheirchassisto
ensurenoisefromlightsandmotorsinthevicinitydonotaffect
signalquality.
Installation
MounttheZipLinkRadiosashighupaspossibleonbothbuildings.The
radiosmust“see”eachotherwithoutobstructionsbetweenthem,and
sinceradiotravelsina“football”shapebetweenantennas,youmustnot
onlyhaveadirectpathbetweentheantennas,butthepathalsomustbe
wideenough,asdeterminedbythedistancebetweentheradios:
Radioheightrequiredbydistancebetweenradios
Distance(mi./km).25/.40.5/.801/1.6
MinimumHeight(ft/m)10/314/4.319/6
Forexample,ifyouhavetwobuildingsahalfmileapart,theZipLink
radiosshouldbe14feetabovetheground,plustheheightofanything
elsethatisinbetweenthebuildings.So,iftherearevehiclesmoving
betweentheradios,theyneedtobe14abovethemaximumheightofthe
traffic,approx.30feetup.Sameruleappliesfortrees,buildings,and
otherstructures.