To install the drivers manually if they are not automatically recognized: Extract the Package
The device should now move to the section, labeled as something similar to Huawei Virtual Network Adapter or Remote NDIS based Internet Sharing Device . Configuring the Virtual Network Interface
: Insert the USB cable into the BBU's maintenance port. The PC should now detect a "Huawei HS-USB Ethernet Adapter" in the Device Manager 3. Usage in Commissioning bbu3900 usb driver
The driver enables the operating system to recognize the BBU3900 hardware as a valid communication interface. Without it, the unit may appear as an "Unknown Device" or "Other Device" in the Windows Device Manager . Once installed, it typically maps the USB connection to a or a Local Area Connection (Ethernet over USB) , allowing tools like the LMT (Local Maintenance Terminal) or WebLMT to connect. 2. General Installation Procedure
Before installing software, it is vital to understand what happens physically and logically when you connect a laptop to a Huawei BBU3900. The Physical Interface To install the drivers manually if they are
Fully supported by standard Huawei USB driver packages (e.g., Driver Version 1.0.0.5 or 2.0).
USB cables longer than 3 meters can experience signal degradation, causing the driver to "drop" intermittently. Compatibility and Requirements Usage in Commissioning The driver enables the operating
Windows will attempt to scan for drivers and will likely show a notification: "Device driver software was not successfully installed" or display an unknown device in Device Manager. Step 3: Install via Device Manager Press Windows Key + X and select .
For local maintenance access, you typically use a specialized USB-to-RJ45 console cable. This cable acts as a network adapter for your PC. For this to work, you need to install the driver for that specific cable chipset (e.g., a USB-to-Ethernet or USB-to-serial converter driver) on your Windows or Linux laptop. The BBU3900 does not require a specific software installation on the PC; the PC simply needs the driver for the adapter being used. This is the most common scenario where a technician actively seeks out and installs a driver.
Select , point the path to your extracted Huawei driver folder, and click Next .
To help you get the exact files or configuration parameters you need, please let me know: