Chapter 11: Firmware UpgradesXPress DR+ User Guide 94Figure 11-1. TFTP WindowAfter the firmware has been loaded and stored, which takes approximately 8 seconds tocomplete, the unit performs a power reset.Using TFTP: Command Line InterfaceTo download new firmware from a computer:1. Enter the following from a TFTP command line interface:tftp –i put The following examples demonstrate the TFTP command sequence to download the.ROM file and the .COB file:2. In the Remote file name field, enter the current internal operational code (rA forXPress DR+ and IA for XPress DR+W) or WEB1 for the internal web pages.tftp –i 192.168.1.111 put xdrpl_6100.rom rAtftp –i 192.168.1.111 put xdrpl _webm_1402.cob WEB1Recovering the Firmware Using the Serial Port andDeviceInstallerIf for some reason the firmware is damaged, you can recover the firmware file by usingDeviceInstaller (v. 4.1.0.7 or later) to download the *.ROM file over the serial port.To recover firmware:1. Start DeviceInstaller. If your PC has more than one network adapter, a messagedisplays. Select an adapter and click OK.2. From the Tools menu, select Advanced/Recover Firmware. The Serial PortFirmware Upgrade window displays.3. For Port on PC, enter the COM port on the PC that is connected to the serial port ofthe Lantronix unit.