
7
Bench Testing
WhenbenchtestingtheZipLink,youneedtoknowthefollowing:
‐Theminimumdistancebetweentheradiosmustbe25feetor8
meters.IfyouhavetheLineandPhoneZipLinkcloser together
thanthisduringtesting,thesystemmaynotoperateproperly,
especiallyinmodemtesting.
‐Youshouldalwaysorienttheradiossimilarlytohowtheywillbe
orientedwhentheyareinstalled.Optionally,youmaysitthem
BOTHsidewayswiththeSKYarrowpointingatthesamewallto
facilitateeasyRJ45cableinstallation.
‐Bothunitsshouldbeelectricallygroundedontheirchassisto
ensurenoisefromlightsandmotorsinthevicinitydonotaffect
callquality.
Installation
MounttheZipLinkRadios ashighupaspossibleonbothbuildings.The
radiosmust“see”eachotherwithoutobstructionsbetweenthem,and
sinceradiotravelsina“football”shapebetweenantennas,youmustnot
onlyhaveadirectpathbetweentheantennas,butthepathalsomustbe
wideenough,asdeterminedbythedistancebetweentheradios:
Radio height required by distance between radios
Distance (mi./km) .25/.40.5/.801/1.6
Minimum Height( ft/m)
10/314/4.319/6
Forexample,ifyouhavetwobuildingsahalfmileapart,theZipLink
radiosshouldbe14feetabovetheground,plustheheightofanything
elsethatisinbetweenthebuildings.So,iftherearedeliverytrucks
movingbetweentheradios,theyneedtobe14abovetheheightofthe
trucks,soabout30feetup.Sameruleappliesfortrees,etc.