Sierra Wireless MP 880W Uživatelská příručka stáhnout pdf (Strana 15)

Introducing the MP Modem

Rev 1.5 Jul.08 15

Account provisions Youraccountmayrestrictusageof

certainnetworksormaylimityourconnectiontimeordata

transmission.

Supported GSM radio frequencies

TheMPmodemhastri‐bandcapabilityonHSUPAandUMTS

networks,operatingon:

• 850MHz

• 1900MHz

• 2100MHz

andquad‐bandcapabilityonEDGEandGPRS,operatingon:

• 850MHz

• 900MHz

• 1800MHz

• 1900MHz

Connection methods

YoucanconnecttheMPmodemtoaUSB,Ethernet(RJ45),or

serial(DB9)portonacomputer.WhenconnectedtoaUSBor

Ethernetport,theMPmodembehaveslikeanetworkcard.

Whenconnectedtoaserialport,theMPmodembehaveslikea

dial‐upmodem.

TheMPmodemalsosupportsconnectionsviaIEEE802.11b/g

(MP595).See

Chapter6formoredetails.

Virtual serial port

TheMPmodemsupportsfourvirtualserialports(VSPs).

ThreearereservedforinternalusebytheMPmodem.The

remainingVSP,whichiscalledSierraWirelessApplication

Interface2,isassignedtoaspecificCOMportthatvaries

betweenusers.ThisVSPcanbeused,forexample,tosendAT



commands,ortorunapplicationssuchasHyperTerminal



SpecialMPmodemmodessuchasGPSthataresupportedon

aserialportarealsoavailableonthevirtualport.Forexample,

withthevirtualportenabled,amappingapplicationonyour

computerthatnormallylistensforGPSmessagesonaserial

portlistensforthosesamemessagesonthe

virtualport.

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Sierra Wireless MP 880W Uživatelská příručka Strana 15