Matrix
SIMADO GFX11 System Manual
19
Front Panel LED’s:
The GFX11 has four LED’s as mentioned below:
LED Label Meaning
ON Power supply ON/OFF status
SIM Detection of SIM card status
NW Indicates if the GFX11 is fully registered
with GSM network or not
FXS ON-Hook or OFF-Hook status of the
telephone connected
These LED’s indication is different during reset sequence and
normal condition as explained below:
• Reset Sequence.
• Normal Condition.
Reset Sequence:
Time Response
At power ON LEDs labeled 'ON', 'SIM', 'FXS' glow together
After 500 msec.
All the LEDs except 'ON' go OFF. Not
applicable for Network LED. Network LED
behavior depends on type of GSM Engine.
After 1 sec.
The LEDs labeled 'SIM', 'FXS' blink thrice 500
msec ON, 500 msec OFF
Error Sequence:
Time Response
GSM Module Comminucation
Failure
FXS LED 500 msec. ON, 500 msec.
OFF continuous
GSM Module Identification
Failure/Auto Baud Failure
FXS LED 1 sec. ON, 1 sec. OFF
continuous
SIM Absent
SIM LED 1 sec. ON, 1 sec. OFF
continuous
• The SIM card detection takes place automatically (approximately
after 5 secs.) and once it is detected, LED marked ‘SIM’ stays
continuously ON.
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