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Sierra Wireless MP595 Modem User Manual

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AirLink MP595 / MP595W Modem User Guide

68 2130795

Note: More information on

NMEA message standards is

available at www.nmea.org.

IfthemoduleisconfiguredforNMEA,dataissentatfive‐

secondintervals.(Theintervalcannotbechangedwhenthe

moduleisconfiguredforNMEAbecauseNMEAisstrictlya

reportingprotocol.)

Monitoring and Tracking configuration

Youcanuse3GWatchertoconfiguretheMPmodemtosend

MTPdatatoanetworkserver:

1. SelectTools > Options > MP > Monitor and Trackingand

completetheappropriatefields.

—or—

1. IssuetheATcommandAT!MPMTCONFalongwiththe

requiredparameters.

IP Addressing

TosenddatatotheMPmodem,ahostapplicationona

networkserverrequirestheIPaddressoftheMPmodem.

ServiceprovidersusuallydonotprovideastaticIPaddressto

eachdeviceonthenetwork.TheIPaddressisdynamically

assignedeachtimetheMPmodemregisterson

thenetwork.

ThismeansthatthehostapplicationmustidentifyeachMP

modembyitsUniqueMobileDeviceID(discussedon

page70)

andcaptureitsIPaddressasitregisters.

IftheMPmodemhasapublicIPaddress,thehostapplication

cansimplychecktheIPaddressontheincomingdatapackets

todeterminetheIPaddressoftheMPmodem.However,if

NAT(NetworkAddressTranslation)isinuse,theIPaddress

assignedtotheMPmodemislikely

tobeaprivateIPaddress.

Thismaypresentproblems,asdiscussedinthenextsection.

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