Using Qcom Tool To Communicate; Communication Via The Micro-Usb Interface - Quectel LG77L EVB User Manual

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Using QCOM Tool to Communicate

This chapter illustrates how to use the QCOM tool to communicate with the module via the Micro-USB

interface.

Find the QCOM tool on the USB flash drive in the EVB Kit, or request it from your local FAE.

Step 1: Connect the EVB and the PC with a Micro-USB cable via the Micro-USB interface.

Step 2: Flip the power switch (S201) to ON position to power on the EVB.

Step 3: Plug in the USB flash drive to the PC and run the provided driver installer to install the USB driver.

Step 4: View the USB port numbers in the Device Manager, as shown in Figure 4 below.

Step 5: Install the QCOM tool provided by Quectel. The COM Port Setting interface of QCOM is shown

in Figure 5 below.

Step 6: Select the correct "COM Port" (USB Port shown in Figure 4 above).

Step 7: Set the correct "Baudrate" (default value: 9600 bps). For more details on QCOM usage, see

document [1].

LG77L_EVB_User_Guide

Figure 4: USB Ports

Figure 5: COM Port Setting Interface of QCOM

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