DUA1640-5AAA02Solving Problems With the Agent Upgrade Utility D-3Solving ProblemsWith the AgentUpgrade UtilityIf you have any problems using the upgrade utility, use the followingactions to solve your problems.An error occurred when the utility tried to connect through thePC’s serial port. The serial port being used is not the same as theserial port specified in the upgrade command. Retry the commandensuring that you specify a value of ‘1’ or ‘2’ for the serial port.An error occurred when the utility tried to communicate withthe hub. There could be a number of reasons for this:n The hub was not powered on within 5 seconds of pressing [Return](step 7).n The null modem cable is not connected to the hub’s COM port.n The null modem cable is not connected to the PC’s serial port, orthe serial port being used is not the same as the serial port specifiedin the upgrade command.n The hub was not powered off and on as directed.Retry the command ensuring that you follow all the steps.An error occurred when the utility tried to open the agentsoftware file for reading. There could be two reasons for this:n The file specified in the upgrade command does not exist or is in adifferent directory to the one given. Check the filename and itslocation.n You do not have read access for the file. Check the file’s propertiesusing Explorer (in Windows 95) or File Manager (in other versions ofWindows).The error message USAGE: update [-c comport] filenameis returned. You have not specified the correct number of parametersfor the upgrade command. Retry with the correct parameters.
