User's Manual

User Manual

Diagnostic Tool Logging Instructions:

4.2. Diagnostic Tool

Text based CLI command and logging tool through UART and Wireshark based OTA message

logging tool through RNDIS.

Refer to “GCT_LTE_Text_DM_Reference_Manual.pdf” and “GCT_LTE_WSDM_User_Manual.pdf”

4.3. AT Command Control Tool

User can enter 3GPP AT Command through “GCT GDM7243 LTE USB Monitor Port” interface and it

can simply connected through generic UART console program such as “putty

( http://www.chiark.greenend.org.uk/~sgtatham/putty/ ).

Software Upgrade Instructions (Module and Device):

4.4. Description

User can update boot loader or zephyr image for GDM7243i through UART as follows.

 uboot

 Press Enter key for entering uboot prompt(GDM7243>)

 GDM7243>run bootdn

 Select uboot F/W by Y-modem

 GDM7243>run bootsave

 Zephyr

 Press Enter key for entering uboot prompt(GDM7243>)

 GDM7243>run zpdn

 Select Zephyr F/W by Y-modem

* Save command is not needed.

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