Install GPRS Modem Gateway with a GP1, DL6 or GP2 logger
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2.1 Check the Modem Flashes.
Check to see the Modem LED start to flash next to the SIM card.
This indicates that the modem is powered and it is trying to
connect to the DeltaLINK-Cloud.
Modem LED Flashing Codes
LED state
Flash rate
Meaning
Permanently ON
ON continuously
Modem is ON but not registered on a
network
Slow flash
ON 200ms,
OFF 2s
Modem is ON and registered on a network
(idle mode)
Very quick flash
ON 100 ms,
OFF 200 ms
Modem is ON, but the software
downloaded is corrupted or incompatible
(BAD software)
OFF
OFF
Modem either OFF, or Flash disabled when
modem is asleep.
Serial Connector LED Flash Codes
LED state
Flash rate
Meaning
On 0.5s, OFF 10s
Idle, waiting for next job
On 0.5s, OFF 5s
Executing a job
On 0.5s, OFF 2s
Connected, no job executing
On 0.5s, OFF 1s
Connecting
OFF
Modem software is not running
correctly, or power is off.
Modem LED
Serial connector LED
Reset button
Modem LED
