Fibocom L830-EB-11 - LED#1 Signal; Wowwan

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L830-EB-11 Hardware User Manual Page 26 of 39
3.6.1 LED#1 Signal
The LED#1 signal is used to indicate the operating status of the module, and the detailed description as
shown in the following table:
Module Status
LED1# Signal
RF function ON
Low level (LED On)
RF function OFF
High level (LED Off)
The LED driving circuit is shown in figure 3-13:
Figure 3-13 LED Driving Circuit
Note:
The resistance of LED current-limiting resistor is selected according to the driving voltage and
the driving current.
3.6.2 WOWWAN#
The WOWWAN# signal is used to wake the Host (AP) when there comes the data request. The definition
of WOWWAN# signal is as follows:
Operating Mode
WOWWAN# Signal
Ringing /SMS or data requests
Pull low 1s then pull high (pulse signal).
Idle/Sleep
High level
The WOWWAN# timing is shown in Figure 3-14: