Lantronix 900-422 Switch User Manual


 
Chapter 11: Firmware Upgrades
XPress DR+ User Guide 94
Figure 11-1. TFTP Window
After the firmware has been loaded and stored, which takes approximately 8 seconds to
complete, the unit performs a power reset.
Using TFTP: Command Line Interface
To download new firmware from a computer:
1. Enter the following from a TFTP command line interface:
tftp –i <ip address> put <local filename> <destination file name>
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 for
XPress DR+ and
IA for XPress DR+W) or WEB1 for the internal web pages.
tftp –i 192.168.1.111 put xdrpl_6100.rom rA
tftp –i 192.168.1.111 put xdrpl_webm_1402.cob WEB1
Recovering the Firmware Using the Serial Port and
DeviceInstaller
If for some reason the firmware is damaged, you can recover the firmware file by using
DeviceInstaller (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 message
displays. Select an adapter and click OK.
2. From the Tools menu, select Advanced/Recover Firmware. The Serial Port
Firmware Upgrade window displays.
3. For Port on PC, enter the COM port on the PC that is connected to the serial port of
the Lantronix unit.