User guide

UMTS/HSPA
UC20 EVB User Guide
UC20_EVB_User_Guide Confidential / Released 25 / 25
4.3. Reset
The emergency restart option is only used in the case of emergency. In this situation, due to serious
problem, the software is not responding for more than 5 seconds.
Pulling down the module’s RESET_N pin by pressing the key S203 (more than 100ms) causes at release
a reset of UC20 Module. This may cause the loss of information stored in the memory since the reset is
initialized.
4.4. Communication via USB or Serial Port
1. Install USB drive at PC or Laptop.
2. Power on UC20 module, select communication port number as
.
3. Configure AT Command Window, correct baud rate and port.
4. Operate the module via AT commands.
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