13
LED behaviour
The operational status of the RB900-Pro terminal is signalized by external LEDs placed
on the front panel of the modem. The status of all modem LEDs is described in the table
below.
LED
Color
Description
PWR
Green
Power supply
GSM
Yellow
Net status:
Flicker slowly (200ms High/1800ms Low) - Network
searching
Flicker slowly (1800ms High/200ms Low) - Idle
Flicker quickly (125ms High/125ms Low) - Data transfer
is ongoing
DATA
Blue
GSM GPIO 2
– controlled by user with AT command:
AT+QGPIOCFG=10,0,1,0,0
AT+QGPIO=0,10
AT+QGPIO=1,10,0 (LED OFF)
AT+QGPIO=1,10,1 (LED ON)
Summary of Contents for RB900-Pro
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Page 5: ...5 References 1 Quectel_EC25 EC21_AT_Commands_Manual_V1 1 pdf...
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