2.3
Default settings
The default settings of the UART and USB ports are as follows:
–
Baudrate: 115200
–
Character Framing: 8
–
Parity: None
–
Stop Bit: 1
–
Flow Control: None
2.4
Basic Command Syntax
All commands starting with AT+ entailed in documents:
–
u-blox-ATCommands_Manual_(UBX-13002752) for M111, M114, M115,
–
SARA-N2_ATCommandsManual_UBX-16014887 for M112, and
–
SARA-R4_ATCommandsManual_(UBX-17003787) for M113
All mPack commands start with AT# are the only ones covered in this document, e.g.
AT#INFO
Error codes for uBlox commands are as described in the uBlox AT command manual
Error codes for mPack commands are as follows:
–
“ERROR BAD PARAMETER” for wrong parameters or out of range values
–
“ERROR UNKNOWN COMMAND” for wrong command syntax
2.5
LED Status Indicator
The LED will indicate different status of the modem:
–
For Orange LED:
•
OFF: No cellular connection
•
ON: Cellular connection
•
Blinking: Data transfer
–
For Green LED:
•
OFF: No power
•
Slow blink: No signal or CSQ < 4,99
•
Fast blink: Bad CSQ < 9
•
ON: Good signal or CSQ > 10
12
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