LE910C1 Hardware User Guide
1VV0301298 Rev. 1.08 - 2017-11-14
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9. Miscellaneous Functions
9.1. Indication of Network Service Availability
The STAT_LED signal shows information on the network service availability and call status. In the
LE910C1 modules, the STAT_LED usually needs an external transistor to drive an external LED.
The STAT_LED does not have a dedicated pin. The STAT_LED functionality is available on GPIO_01
pin (by default GPIO_01 functions as STAT_LED)
The table below shows the device status corresponding to the pin status:
Table 34: Network Service Availability Indication
LED Status Device Status
Permanently off Device off
Fast blinking (Period 1s, T
on
0,5s) Net search / Not registered / Turning off
Slow blinking (Period 3s, T
on
0,3s) Registered full service
Permanently on A call is active
Figure 20: Status LED Reference Circuit
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