Cabletron Systems SmartSwitch Router 520 Installation And Configuration Manual

Contents

Cabletron Systems SmartSwitch Router 520 Installation And Configuration Manual Manual pdf 77 page image

A-7Problem SolvingProblem Solving Using the LEDsWhen diagnosing a problem with the router, note that the problem is oftenindicated by the states of the router’s LEDs. Table A-3 lists the states of theLEDs for various error conditions that can occur during initial installation ofthe device, along with probable causes and corrective actions to take.Table A-3. LED StatesSymptom Probable Cause Corrective ActionAll LEDs areoff.The router does nothave power.Secure the power cables at theback cover and between thepower supply and wall outlet.Check the wall outlet usinganother appliance or light, orplug the power cord intoanother outlet. If no power isavailable, check the walloutlet’s circuit breaker.Replace the power supply orthe router if the problempersists.Wrong power supply. Ensure to use only theH8767-AA power supply.Power LED onlyis off.Bad Power LED. Replace the router.Module OKLED is off.Self-test failed. If the LED does not light after5 seconds, reset the router torepeat the self-test.Check console and reloadflash.If the self-test fails again,replace the router.Continued on next page ...