Cisco Systems SCE 2000 4xGBE Symptom, Possible Cause, Possible Solution, LED Label, Color, State

						Chapter 8 Troubleshooting
Problem Solving Using a Subsystems Approach
	Table 8-3	Troubleshooting the Power Subsystem
	Symptom		Possible Cause			Possible Solution
	Power LED on the front		Power cable not fully seated at system.			Turn the power switch to the off position
	panel and LEDs on the					and reseat the power cable in the system.
	power supply unit are not
	lit, or do not remain lit
	continuously.
			Power cable not fully seated at source.			Turn the switch to the off position and
						reseat the power cable at the power source.
			Power source is faulty.			Turn the switch to the off position, connect
						the power cable to another power source, if
						available, and turn the switch back on.
			Faulty power cable.			Turn the switch to the off position, remove
						the cable and replace it.
			Faulty power supply.			If the system still fails to come up when the
						power supply is connected to a different
						power source with a new power cable, the
						power supply unit is probably faulty.
						Contact a service representative.
	Table 8-4	Power Supply LEDs
	LED Label		Color	State	Function
	IN		Green	On	The input voltage is in the required range.
				Off	The input voltage is not in the required range.
	OK		Green	On	The output voltage is in the required range (between 11.9
					and 12.1 VDC).
				Off	The output voltage is not within the required range. (is
					greater than 12.1 VDC or less than 11.9 VDC)
	Power A/B (front panel)		Green	Steady	Corresponding power supply unit is present and
					functioning normally
			Red	Steady	Corresponding power supply unit present, but
					malfunctioning
				Off	Corresponding power supply unit is either not present or
					has failed.

SCE 2000 4xGBE Installation and Configuration Guide

8-10 OL-7824-02