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8400 GPRS Cradle
Reference Manual
1.2 UNDERSTANDING STATUS INDICATORS
The cradle provides three red LED indicators on the front panel to indicate connection
status. Refer to Chapter 2
initialization stages after powering on the cradle.
Normally, when the power cord is good and properly connected, the POWER indicator
shall start to flash shortly and become solid finally.
When the POWER indicator does not start to flash for a while, hardware error may
have occurred.
When the POWER indicator keeps flashing, you may need to check if the SIM card is
properly inserted and PIN code is provided correctly.
Front Panel LED
Tasks
POWER
Local status
DATA
Transmission
status
READY
Remote status
8
How It Works in Modem Mode
Indication
Solid
Flashing
Off
Flashing
Off
Solid
Flashing
Off
for information on the
Connection ready
Attempting
to
register
network operator and attach it to the
GPRS service
Hardware initializing or no power
Data transmission
No activity
Connection established
Dialing out
Disconnected
to
the
GSM
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