10: Firmware UpgradesXPress DR+ User Guide 69Figure 10-1. 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:tftp –i 192.168.1.111 put xdrpl_6100.rom R1tftp –i 192.168.1.111 put xdrpl _webm_1402.cob WEB42. In the Remote file name field, enter the current internal operational code (R1) orWEB1 to WEB19 for the internal web interface.Recovering the Firmware Using the Serial Port andDeviceInstallerIf for some reason the firmware is damaged, you can recover the firmware file by usingDeviceInstaller 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.
