
The following table shows LED indications during various events and error
conditions:
Event Colour Cadence in ms
(1 Cadence = approx. 3000 ms.)
During GSM Initialization Orange 200ms ON-200ms Off
200ms ON-200ms Off
200ms ON-200ms Off
200ms ON-200ms Off
200ms ON-1200ms Off (5 Blinks)
If PUK Required Orange 200ms ON-200ms Off
200ms ON-200ms Off
200ms ON-200ms Off
200ms ON-1600ms Off (4 Blinks)
If SIM PIN Faulty Orange 200ms ON-200ms Off
200ms ON-200ms Off
200ms ON-2000ms Off (3 Blinks)
If SIM Absent Orange 200ms ON-200ms Off
200ms ON-2400ms Off (2 Blinks)
If Network Absent/GSM
Module could not
establish connection
with the network
Orange 200ms ON-2800ms Off (1 Blink)
During Normal Functioning:
Following table shows LED indications during various events occurring on FXS/
Mobile Ports of the system:
Event Color Cadence in ms (1 Cadence=approx. 3000 m s.)
Port Disable -- LED Off
Port Idle -- LED Off
Port Off-Hook Red Continuous ON
Ring Event Green 400ms ON-200 ms Off 400ms ON-2000ms Off
Port Active Red 68 ms ON-68 ms Off
Speech Green Continuous ON
Call Minutes* Red 1000 ms ON 1000 ms OFF
* Applicable for Mobile Ports only, when mobile port is idle. (Refer 'Call Minutes'
topic in system manual for details)