User's Manual

Contents
4
MaintainingandservicingtheRTU __________________________ 16
TheRTUbattery ______________________________________ 17
Replacingthebattery __________________________________ 17
Chapter 3.PerformingAdvancedFunctions __________________ 20
UnderstandingConnectors ________________________________ 20
TheSOLARCELLConnector _____________________________ 21
CommunicatingwiththeRTU ______________________________ 22
BootingtheA753 ________________________________________ 22
BootloaderMode _____________________________________ 22
FirmwareMode ______________________________________ 23
UpgradingtheFirmware __________________________________ 23
SerialCommunicationProtocol _____________________________ 26
GeneralFormatofaCommand __________________________ 26
GeneralFormatofanAnswer ___________________________ 27
UsingTerminalCommands ________________________________ 27
ReturnedErrorsList ______________________________________ 44
CommandLineInterpreter______________________________ 44
DeviceDescriptor
andStorageHandler ____________________ 45
Real‐timeClock_______________________________________ 45
RadioInterface(includingGSM/GPRSmodem)______________ 45
Notifications _________________________________________ 45
Specifications __________________________________________ 46
Index _________________________________________________ 48