
D120SeriesDTUUserManual
E‐LinsTechnologyCo.,Limited
<passw ord>
‐PasswordthatrequiredforTCP /IPconnectionoverGPRS.
6.8 WatchDog
K1 K2 MonitorTimeout
Open Open ∞
Open Close 15minutes
30minutes
Close Open 30minutes
10minutes
close Close 5minute
RGClose GTClose Open
MonitorReserved MonitorSend DisabletheFunction
6.9 Idletimecontrol
AT +IDLETIME=n //n(inminutes)requirestobeidle(onbothsides)inordertolet
theDTUtodisconnectitselffromconnection.(Keepaliveand
registrationinformationpack etisnotcounted).0meansthe
featureisdisabled.
Note:InthecommonTransparenttransferModeand
AT+IDLETIME=2,theDTUshouldre‐online
immediately.Inthe
SocketwithtriggerupandAT+IDLETIME=1,theDTUshouldbe
offlineuntilbetriggerup
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