
4
ThissectiondescribeshowtoaccessandoperateanACSII-baseddevicewithaPS/2
orSunconsole(keyboardandmonitor)usingtheSerialAdapter.
Status
ThegreenLEDontheunitshowsthestatusoftheSerialAdapter.TheLEDwillappear
solidwhenpowerisgoingtotheSerialAdapter.Whenserialdataistransmitting,the
LEDwillblink.
Screen Layout
TheSerialAdapterproduces8-colourvideoat800x600resolution,whichcan
accommodate32linesof80textcharacterseach.AtypicalASCIIterminaluses24
lines,sotheSerialAdapterusestheeightextralinestoprovidesystem-statusandhelp
information.Theseeightlinesaredividedsothatfourareatthetopofthescreenand
fourareatthebottom(seeFigure3).
Figure3OnlineSession
•Inline1ofthetoppane,theSerialAdapter’sfirmwareversionisdisplayedatthe
right.
•Inline3ofthetoppane,thecursorpositionandbuffer-pagenumberaredisplayed
attheleft,andtheterminaltypeanddataratearedisplayedattheright.
•Inline4ofthetoppane,thecommunicationstatusisdisplayed.Thisstatuscanbe:
Operating the Serial Adapter
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