7.1 General Information on Firmware UpdateYou can update the unit’s firmware to improve the unit’s operation. You can configure the unit so that itautomatically downloads the new firmware file from a specified location. The firmware update will be executedwhen the unit is restarted.ConfigurationfileProvisioning server Firmware serverA CBFirmwareA Download configuration fileB Check for update by comparing the unit’s firmware version with the downloaded configuration file's versionC Firmware download and updateNote• No special server is necessary for the firmware update. You can use an HTTP or FTP server as thefirmware server by simply setting its URL.• You cannot use a TFTP server as the firmware server.7.2 Firmware Update SettingsFirmware updates are provided by the manufacturer when necessary.The firmware update will be executed by setting the corresponding parameters using configuration fileprogramming (® see 5.4.4 Firmware Update Settings) or Web user interface programming (® see4.8.1 Firmware Maintenance). The following shows the parameters and the setting procedures:Firmware Update Enable/Disable• In a configuration file, add the line, FIRM_UPGRADE_ENABLE="Y".• In the Web user interface, click the [Maintenance] tab, click [Firmware Maintenance], and then select[Yes] for [Enable Firmware Update].Firmware Version Number• In a configuration file, specify the new version number in "FIRM_VERSION".Firmware Server URL• In a configuration file, specify the URL in "FIRM_FILE_PATH".• In the Web user interface, click the [Maintenance] tab, click [Firmware Maintenance], and then enter theURL in [Firmware File URL].198 Administrator Guide Document Version 2011-11Section 7 Firmware Update