Hello,
Use a network cable to connect the B311-221 to the PC.
Log in to the device WebUI based on the information( 192.168.8.1) on the device nameplate.
The device does not have a password by default. You can log in to the device using the user name and password admin.
You can view the network status and device information on the web interface of the device.
The device version may be a non-universal version. You need to contact your local device provider or local ISP to obtain the account and password.
Thanks