USR IOT USR-DR502-E, Руководство пользователя

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USR-DR502-E User Manual Technical Support:
h.usriot.com
Jinan USR IOT Technology Limited www.pusr.com
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6.2. Heartbeat Package
In transparent mode, user can send the heartbeat package from the module to the network side or serial port
device .
Sending to the network is to ensure the normal connection of the module and let the server know the online
status of the module. User can also set the serial heartbeat to a fixed query command instead of sending from
server to save the traffic.
Heartbeat package can be ICCID code, IMEI code, SN, LBS or user-defined data.
ICCID: Unique SIM identification code, for applications based on SIM card identification.
IMEI: Unique identification code of the Internet modem, which is mainly used in device identification, has
nothing to do with SIM card.
SN: Serial number.
USER: User-defined data.
LBS: Current latitude, longitude of the device and time.
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Set by the utility: