NCR 7454 - Terminal Hardware Modules

Chapter 1: Product Overview 1-11
WhentheplatformisintheSoftOFFstate(refertoAdvancedPower
Managementsectionthatfollows),receipt ofaWakeupPacketonthe
LANcanreturnthesystemtotheONstate,ifthisfeatureisenabledby
software.
Note: DuetolimitationsoftheLANcontrollerandtheOS,
allfeatures
describedintheNetworkDeviceClassspecificationmaynotbe
available.
100Base‐Tiswiredidenticallyto10Base‐T,exceptthatthetwistedpair
cablemustbeCategory5andthehubsmustpermit100or10/100Mbps
operation.Although10Base‐TwilloperateonCategory3twisted
pair,
orNCR“747”cable,anupgradetoCategory5isrequiredfor100Base‐
T.
Acustomerdesiringtousetheterminalinanexisting10Base‐T
environmentcandosoandsimplyrunat10MB.Inordertoupgradeto
100Mbps,Category5cableand100or10/100hubs
mustbeinstalled.
NCRstronglyrecommendstheuseofCategory5forallnewcabling,
evenifthecustomerinitiallyintendstorunonly10Base‐T.
LEDIndicatorsforLinkIntegrity(verifiescableandhubconnectionare
good)andLANspeedisprovidedontheProcessorBoardneartherow
ofconnectorsatthebottomofthee‐box.TheLEDisON(yellow)when
thespeedisrunningat100Mbps.
LinkIntegrityisprovidedtothePCchipsettopermitboot‐upsoftware
toverifythepresenceoftheLANconnection.Softwaremustprovide2
secondsafterpower‐up
inorderfortheLinkIntegritysignaltobecome
valid.
Wireless LAN Communications
WhereawiredEthernetconnectionisnotdesiredawirelessLAN
adaptermaybeinstalledinthePCMCIAsocket.Thisrequiresthatthe
PCMCIAdaughter‐cardfeaturebeinstalled.AwirelessLANusedin
theterminalmustmeetthefollowingrequirements: