
Raven XT
53 20080605
Figure 7-4: ACEmanager : I/O
Power Effect on device State
Oncethetransitionfrompoweredontostandby,low‐power
modestarts,thedevicewillchangestatetoATmode.This
resultsinthecurrentmodebeinggracefullyterminated.For
thebriefperiodwhenthedeviceispreparingforlow‐power
mode,thedevicewillremaininATmode.Atthat
time,it
wonʹtauto‐answer,ATDwillfail,etc.Oncelow‐powermodeis
entered,thedevicewillthendiscardanydatareceivedonthe
hostport.
Whenthedeviceiswokenfromlow‐powermode,thesame
behavioroccursasuponpoweron.ThedevicestartsinAT
mode,andthenafter5secondswillenterthedefaultstart‐up
modeasitisconfiguredforthemodem.
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