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Appendix C: Additional Information

C-1: Firmware Upgrade Using Xmodem Upgrade

Fig. 62. Xmodem Upgrade.
To upgrade the firmware of AP using Xmodem Upgrade over RS232:
1. Power off the AP whose firmware will be upgraded.
2. Connect the managing PC and the AP with an RS232 Null Modem cable.
3. Select the serial port (COM1 or COM2) you use for connecting the device from the
Serial port drop-down list and click Connect.
4. Chose the folder in which the firmware files reside by clicking Browse.
5. Power on the AP and you'll see bootup information.
6. Click Start to begin the firmware upgrade of the AP.
7. You will be prompted when the upgrade process is complete.
Click Erase Config to reset the configuration settings of the AP to default values.