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Sierra Wireless MP 875 Modem User Manual

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MP875 Modem User Guide

66 2130808

Thefastratetimeronlybecomesactivewhenanalarm

conditionistriggeredbyariseordropinthelevelofoneofthe

digitalI/Ochannels.Thedefaultforthefastratetimeristhree

seconds.

Note: When the fast rate timer is set to 0, a single report is sent when

an I/O alarm is triggered.

IftheGPStimerissettoavalueotherthan0,itcontrolsthe

frequencyofreportsintheabsenceofanya larmorevent

triggers.(However,iftheGPStimerissettoalongerinterval

thanthelowratetimer,thevalueforthelowratetimerwill



determinereportfrequency.)

MP modem

Host

Fast rate timer = 3 seconds

Low rate timer = 5 minutes

GPS timer = 10 seconds

10 seconds

10 seconds

3 seconds

3 seconds

Digital I/O alarm

TM_SUM_REG_IND

TM_SUM_REG_IND

TM_SUM_REG_IND

TM_SUM_REG_IND

TM_SUM_REG_IND

TM_SUM_REG_IND

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