D AGENT UPGRADE U TILITYThe CD-ROM supplied with the hub has an agent upgrade utility on itthat can be used for upgrading the new version of agent software tothe PS Hub.NOTE: You would only use this utility if a previous software upgradehas failed and you are unable to communicate with your hubs usingthe web interface or Quick Config Manager. At all other times youshould use the web interface or Quick Config Manager to upgradeyour hubs.If you have any problems using the agent upgrade utility, refer to“Solving Problems With the Agent Upgrade Utility” on page D-3.Using theUpgrade UtilityThe upgrade utility works from an MS-DOS prompt. It upgrades onehub at a time.Upgrading a hub may take up to 5 minutes.To upgrade agent software to a hub:1 Connect your PC’s serial (COM) port to the hub’s console port, using anull modem cable.2 If you are using Microsoft Windows, exit out of it so that you are at theMS-DOS prompt.This utility must be run from MS-DOS. It cannot be used from anMS-DOS Window within Microsoft Windows.3 At the MS-DOS prompt, change your directory to the drive that is yourCD-ROM drive.
