Telit Wireless Solutions WE866E4-P - Digital Interface Characteristics; Logic Level Standards

WE866E4-P AT Commands Reference Guide
80572ST10887A Rev. 0.0 19 2018-02-16
PRELIMINAR
Y
4 Architecture
This chapter describes the system architecture of Serial-to-WiFi Application.
• Working Principle, page 19
• System Initialization, page 19
4.1 Working Principle
Figure 1, page 19, representation shows the communication between WE866E4-P Module
and the Host:
Figure 1 Communication between the Module and the Host
4.2 System Initialization
During the initialization process, the module SW tries to fetch the configuration file (also
called as profile) from the file system. If the profile file is not found, it sets the default
values i.e. factory default values to profile and creates the file in the file system.
As per the default profile, it starts in AP mode initializing the provisioning SW block. User
can either configure the module through the provisioning mechanism or it can issue
commands to start in STA mode and join to the intended AP.