22 CHAPTER 1: OVERVIEW AND INSTALLATION OF THE MANAGEMENT MODULE4 Replace the blanking plate over the empty transceiver module slot inthe rear of the hub, and use the two screws to fix the blanking platein place.For information on how the hub’s configuration is affected by theremoval of the management module, refer to “RemovingManagement From the Hub” on page 25.Powering On the Hub or StackWhen you have fitted the management module correctly, you canpower on the hub. If the hub is connected to other Dual SpeedHub 500 units with cascade cables, those units become managedunits within 20 seconds.For information on making a management connection to the hub orstack, refer to “Methods of Management” on page 28.In rare circumstances, repeatedly powering units off and on in a stackmay cause an interruption to the management of the stack. To avoidthis, it is recommended that the bottom unit in the stack is poweredon first, followed by the unit above it, and so on.Upgrading the Smart Agent VersionSupplied with every management module you will find the latestmanagement agent software. You should check the version on yourDual Speed Hub 500 by either: Entering system display on the Command Line Interface(CLI);or Accessing the Unit Status page through the Web Interface.If the version number is less than the version supplied with yourmanagement module, upgrade the agent following the instructionsin “Upgrading the Management Software” on page 69 (CLI) or“Software Upgrade” on page 99 (Web interface).
