6Concentrator User and Installation Guide 98-1031 Rev AA 53Performing SystemUpgradesWhat Are System Upgrades?There are three kinds of upgrades you can perform on a concentrator:• The concentrator firmware• The IWR radio firmware• The IWR radio DCW.Accessing a Concentrator for ProgrammingThere are two ways to access a concentrator for upgrading:• Over the air• Directly via cable (About Programming and Diagnostic Cables, for more information).Upgrading a Concentrator Over the Air (OTA)You can remotely download firmware to the concentrator via a command window from your PC.You must have control-level user access to the host to perform this procedure.About the Image FileLandis+Gyr Customer Operations manages upgrades to firmware. Landis+Gyr notifies you whenthere is a new release of firmware and makes the file available. To upgrade firmware, load theconcentrator with a new “image.bin” file. Contact Customer Operations atëçäìíáçåëìééçêíKå~]ä~åÇáëÖóêKÅçã for more information or to obtain the latest version of thefirmware.The download application utility runs on the host backend via a process called Live System update(LSU). The host connects over the air (OTA) to the concentrator. The host automatically:1. Sends the new firmware information to the concentrator.2. Polls the concentrator to verify that the download is complete.3. Disconnects when the download is complete.
