GR30/GM30/GR50, Operation
57
Description of the LEDs
IF the on is THEN
Warning
LED
GFU14 with
Satelline 3AS
red the device is in the configuration
mode controlled from the PC via
cable.
Data
transfer LED
any device off data is not being transferred.
green or flashing
green
data is being transferred.
Signal
strength
LED
GFU19 (US),
GFU25 (CAN),
GFU26 (US),
GFU28
with CDMA Multi-
Tech MTMMC-C
red device is on, not registered on the
network.
flashing red device is on, registered on the
network.
off download mode or device is off.
GFU24 with
Siemens MC75
red call is in progress.
red: long flash,
long break
no SIM card inserted, no PIN
entered or network search, user
authentication or network login in
progress.
red: short flash,
long break
logged onto network, no call in
progress.
red: flashing red,
long break
GPRS PDP context activated.
red: long flash,
short break
Packet switched data transfer is in
progress.
off device is off.
GFU29 with
Cinterion PXS8
off LED has not been activated by the
GR30/GM30/GS25.
500 ms on and
500 ms off
network searching or limited
GSM/UMTS service due to missing
SIM or PIN.
Flashing every 4 s registered to network, but no data
transfer in progress.
Flashing every 2 s packet service data transfer in
progress.
Flashing every 1 s circuit switched data transfer in
progress (GSM/UMTS only).
GFU14 with
Satelline 3AS
red or flashing
red
the communication link, Data
Carrier Detection, is okay on the
roving receiver.
off the DCD is not okay.
Power LED GFU29 with
Cinterion PXS8
off power is completely off
OR
GSM module is shut down. 10 s
power down are required to
restart.
green power is on
AND
GSM module is ready.
any other device off power is off.
green power is okay.
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