Subject: UMC-A21LG2 User Manual
REV: 1.0
PAGE 11 OF 17
Wistron Neweb Corporation Proprietary & Confidential
Design Document
4.
Interfaces
This SMCC offers following interfaces to communicate with LTE radio. Before using USB
emulated ports, it requires to install the Qaulcomm’s USB driver on your windows PC at
first. After driver installation is finished, device manager will show below USB emulated
COM ports.
4.1
Qualcomm HS-USB MDM Diagnostics 90B2 (COM port)
This port is created for modem debugging purpose and used by Qualcomm PC tools to
communicate with the LTE radio. Qualcomm’s tool is protected by Qualcomm License.
