Sierra Wireless PinPoint X Guía de usuario descargar pdf (Pagina 37)

PinPoint X HSUPA

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bystate,low‐powermode,willpreventthemodemfrom

drainingthebatterywhileallowingthemodemtoquickly

poweruptoregularoperationwhenitisneeded.

YoucanconfigureLowPowermodeusingACEmanager.

Figure 5-6: ACEmanager : Low Power

Wiring the PinPoint X for

WhentheStandbyIgnitionSenseisenabledandtheignition

senseconnectoriswiredtoyourvehicle,theignitionsensewill

providealinktothemodemtoenableittoenteralow‐power

usingstandbymode.

Thewhitewireofthethreewireconnectorshouldbeusedto

connecttoyourignition.

Figure 5-7: Ignition Sense Power Connector

Power Effect on Modem State

Oncethetransitionfrompoweredontostandby,low‐power

modestarts,themodemwillchangestatetoATmode.This

resultsinthecurrentmodebeinggracefullyterminated.For

thebriefperiodwhenthemodemispreparingforlow‐power

mode,themodemwillremaininATmode.Atthat

time,it

wonʹtauto‐answer,ATDwillfail,etc.Oncelow‐powermodeis

entered,themodemwillthendiscardanydatareceivedonthe

hostport.

Whenthemodemiswokenfromlow‐powermode,thesame

behavioroccursasuponpoweron.ThemodemstartsinAT

mode,andthenafter5secondswillenterthedefaultstart‐up

modeasitisconfiguredforthemodem.

Ignition Sense (white)

Power (red)Ground (black)

Not Used

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Sierra Wireless PinPoint X Guía de usuario Pagina 37