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GMT00 @Track Air Interface Protocol

TRACGMT100AN001 – 27 –

3.2.8. External Power Supply Monitoring

The command AT+GTEPS is used to configure the parameters of external power supply

monitoring. The device will measure and monitor the voltage of the external power supply. If the

voltage of the external power supply matches the predefined alarm condition, the device will

report an alarm message +RESP:GTEPS to the backend server to notify the status of the external

power supply.

 AT+GTEPS=

Example:

AT+GTEPS=gmt100,2,250,12000,3,2,1,1,0,0,1,,,,0007$

Parameter

Length(byte)

Range/Format

Default

Password

4 – 6

'0' – '9' 'a' – 'z' 'A' – 'Z'

gmt100

Mode

0 – 2

Min Threshold

<=5

250 – 28000 mV

9500

Max Threshold

<=5

250 – 28000 mV

15000

Sample Period

<=2

0|1 – 12(×2s)

Debounce Time

0 – 5 (×1s)

Output ID

0 – 2

Output Status

0|1

Duration

<=3

0 – 255(×100ms)

Toggle Times

<=3

0 – 255

Sync with FRI

0|1

Reserved

Serial Number

0000 – FFFF

Tail Character

 <Mode>: Working mode of the external power supply monitoring.

 0: Disable the external power supply monitoring.

 1: Enable the external power supply monitoring. If the current voltage is within the

range of (<Min Threshold>, <Max Threshold>), the +RESP:GTEPS alarm will be

triggered.

 2: Enable the external power supply monitoring. If the current voltage is outside the

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