Bbu3900 Usb Driver — |link|

If Windows displays a security warning stating the driver publisher cannot be verified, click .

Right-click it, select , and double-click Internet Protocol Version 4 (TCP/IPv4) .

Proper driver management ensures rapid local deployment, reduces site commissioning time, and prevents costly errors during critical network upgrades. bbu3900 usb driver

Log in using your field engineering credentials to begin commissioning, running MML commands, or pulling alarms. Troubleshooting Common Driver Issues

Go back to and expand the Network adapters section. You should now see a new virtual adapter, typically named Huawei USB RNDIS Adapter or Huawei Network Card . Configuring the Network Settings for LMT Access If Windows displays a security warning stating the

A Huawei BBU3900 system with an LMPT or UMPT board.

Open and check the exact COM port number assigned (e.g., COM3 ). Launch PuTTY or SecureCRT . Change the connection type to Serial . Log in using your field engineering credentials to

Right-click the newly created Huawei Virtual Network Adapter and select . Double-click Internet Protocol Version 4 (TCP/IPv4) . Set a static IP address on the same subnet as the BBU.

If you are installing the driver on newer operating systems like Windows 10 or Windows 11, the OS may block the installation because Huawei's legacy telecom drivers might not have a modern Microsoft digital signature. Hold down the while clicking Restart in Windows.