User's Manual

RLX2 Industrial Hotspot Series
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Page200of208 ProSoftTechnology,Inc.
 February5,2015
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Q
QoS
QualityofService.Requiredtosupportwirelessmultimediaapplicationsandadvanced
trafficmanagement.QoSenablesWi‐Fiaccesspointstoprioritizetrafficandoptimize
thewaysharednetworkresourcesareallocatedamongdifferentapplications.
R
Range
Thedistancecoveredbyawirelessnetworkradiodevice.Dependingonthe
environmentandthetypeofantennaused,Wi‐Fisignalscanhavearangeofuptoa
mile.
Remote Access Point
OneofanumberofsecondaryaccesspointsinawirelessnetworkthatusesWDSto
extenditsrange.Remoteaccesspoints(sometimescalledrelayaccesspoints)connect
toamasteraccesspoint. 
Remote device
Devicesconnectedremoteradios
Repeater
ARepeaterisadeviceusedtoextendtherangeofaWi‐Fisignal.Placedattheedgeof
signalreception,arepeatersimplyreceivesandre‐transmitsthesignal.
Repeater, Radio Mode
ARLX2radioinRepeatermodecanonlyconnecttootherProSoftradios,butany
numberofEthernetnetworkdevi
cescanbeattachedtoit.SeealsoClient,RadioMode.
RS-232
RecommendedStandard232;thestandardforserialbinarysignalsbetweenDTEand
DCEdevices.
RTU (Remote Terminal Unit)
Modbustransmissionmodewhereeacheight‐bitbyteinamessagecontainstwofour‐
bithexadecimalcharacters.Therearetwotransmis sionmodes(ASCIIorRTU).Themain
advantageoftheRTUmodeisthatitsgreatercharacterdensityallowsbetterdata