red lion BT-6821-AT-AC User Manual page 54

2) Set BlueVue Device Manager to connect to the modem over the serial port by changing the connection type to
Serial
3) Once the modem has been accessed, navigate to CONF (Modem Configuration) > LAN IP
4) Under Ethernet, set the Modem IP to 192.168.0.1
5) Confirm that DHCP is enabled and that the DHCP Start IP is 192.168.0.4. Set the End IP range to any value higher
than 192.168.0.4. The default is 192.168.0.39.
6) Click Submit to save the changes
7) Reset the modem and restart the computer
12.1.2 (USB) The BlueVue Device Manager message box displays "Detecting Modem at
192.168.111.1" indefinitely
Possible cause #1
The USB driver is not installed.
Troubleshooting
The USB driver for Windows must be installed before the modem's USB functionality can be used. Visit
to download the USB driver then install it. It may be necessary to reboot the computer.
Possible cause #2
The modem has an old firmware version which does not support USB.
Troubleshooting
The USB functionality was introduced in version 3.0 of the firmware. Upgrade the modem's firmware to the latest
version available at www.redlion.net. A walkthrough can be found in the
12.1.3 (SERIAL) The BlueVue Device Manager message box displays "COMx is already in use"
Possible cause
Another software application is already using the COM port.
Troubleshooting
Close all applications that could be using the serial port, including other instances of BlueVue Device Manager, then try
again.
Firmware Upgrades appendix.
www.redlion.net