3 Application Interface
Copyright © Fibocom Wireless Inc.
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3.6
Status Indicator
The FM101 module provides two signals to indicate the operating status of the module,
and the status indicator pins is shown in the following table:
Pin Pin Name
I/O Reset Value Pin Description
Level
10
LED1#
OD T
System status LED, drain output. 3.3V
23
WOWWAN#
DO
PD
Wake up host, default low,
Reserved
1.8V
3.6.1
LED#1 Signal
The LED#1 signal is used to indicate the operating status of the module, and the detailed
description is 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 16:
Figure 16. LED driving circuit
