5.17. Testing the GSM Commander
5.17.1. Status Request
The GSM Commander (even with a blank configuration) has a built-in test feature. If the GSM
Commander receives “TEST GSMC” as an SMS message, it will reply to the number that sent the
message, with the following text:
DT=01/01/2017-12:00:00 < Indicates current date & time of the GSM Commander
Sig=68% < Indicates the received signal strength
AT=35 < Indicates the amount of airtime remaining
FW=7.46 < Indicates the firmware version
SN=160641-30001 < Indicates the serial number
PWR=On < Indicates status of mains power
BT=13.2V < Indicates voltage of battery (if connected)
A=108 < Indicates analog value in counts (0 - 250)
T= 23,18 < 1
st
value indicates temperature of Probe A (in °C) if connected and
2
nd
value indicates temperature of Probe B (in °C) if connected
IN1,2=0,1 < Indicates status of inputs 1 and 2 (0 = inactive, 1 = active)
OUT1,2=0,1 < Indicates status of outputs1 and 2 (0 = inactive, 1 = active)
SIM=1 < Indicates active SIM card *
Please Note: The airtime remaining will be displayed as “AT=--” if airtime checking has been
disabled or the incorrect network operator has been chosen in the current setup.
* Only applicable to the GC1281 model
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