
H685 User Manual
E‐LinsTechnologyCo.,Limited
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ThissectionismainlyaboutDTUsettings.
z DTUstatus:openandcloseDTU
z Baudrate:support4800/9600/19200/38400/57600/115200bps
z Link Type: Ser ver link or Client link can be chosen in the DTU config table. If
useitasServer,wesuggestyoutousefixedIPoftheSIM
card.
z Multiple‐path Backup:theroutercan support 4ServerIPat mostto meet the
needformultiple‐pathdatabackup.
z HeartBeatfunction:Youcandefineheartbeattimeandheatbeatinformation.
SothatServercanusetheheartbeatinformationtoidentifyDTU.
z Data conten t: the largest package contents are 3KB. The interval between
pack etscanbeadjustedthroughchange“senddatatimeout”.
3.3.9 SMS/VoiceControl(onlyforversionsupportSMS/Voicecontrolfeature)
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