Troubleshooting ChecklistTroubleshooting 4-7Table 4-4 Firmware TroubleshootingPossible Causes InstructionAutobaud enabled. Press ENTER (RETURN) (may take up to four times).Terminal setup is not correct. Refer to your Local Management User’s Guide for propersetup procedures.Improper console cablepinouts.Refer to Appendix A for proper console port pinouts.The COM port of the devicehas been disabled, or theCOM port application hasbeen changed.1. Establish a Telnet connection to the device.2. Refer to your Local Management User’s Guide forinstructions on enabling/disabling the COM port andchanging the COM port application.Corrupt firmware image, orhardware fault.1. If possible, attempt to download the image to the deviceagain. Refer to Section B.1 for instructions on how to forcea download of a new firmware image.2. Contact Cabletron Systems if the problem continues.