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2017 Page 233 5IN2413 B
GSM Module LEDs
Note
After 15 minutes all LEDs will turn off.
LED/Function State Status
LD1
(not in use)
LD2
ON Module is ON
OFF Module is OFF
LD3
ON Communicating with the main panel PCB
OFF No communication with the main panel PCB
LD4
ON
Voice call: Connected to remote party.
-OR-
Data call: Connected to remote party or exchange of
parameters while setting up or disconnecting a call.
OFF Module is OFF
Blink slow
600 ms ON / 600 ms OFF:
1. No SIM
2. No PIN
3. Network search in progress
4. Ongoing user authorization
5. Network login in progress
500 ms ON / 25 ms OFF:
Packet switch data in progress
Blink fast 75 ms ON / 3 sec OFF: Registered to GSM network
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