Cisco Systems Cisco 12008 manual Status of Alphanumeric Displays and LEDs at System Startup

		Troubleshooting Overview
Table 5-1	Status of Alphanumeric Displays and LEDs at System Startup
Card	LED Function	Display Contents/LED Status/Meaning
RP	LED alphanumeric	MSTR (top)
	displays	RP (bottom)
		The RP is enabled and recognized by the system; a valid
		Cisco IOS software image is running.
Line card	LED alphanumeric	IOS (top)
	displays	RUN (bottom)
		The line card is enabled and ready for use.
CSC(s)	System alarm LEDs	CRITICAL: OFF
		MAJOR: OFF
		MINOR: OFF
		No system alarm conditions exist.
	CSC Status LEDs	FAIL: OFF
		ENABLED: ON
		The CSC is functional.
	FAN FAIL Status	LINECARD (left LED): OFF
	LEDs	PWR SPLY (right LED): OFF
		The fan trays are operational.
	SFC Status LEDs	FAIL (top): OFF
		ENABLED (bottom): ON
		All the SFCs are functional.
AC-input	Power status LEDs	AC INPUT OK (top): ON
power supply		OUTPUT FAIL (bottom): OFF
		The power supply voltages are present and within
		tolerance.
DC-input	Power status LEDs	INPUT OK (top): ON
power supply		OUTPUT FAIL (bottom): OFF

The power supply voltages are present and within tolerance.

Troubleshooting the Installation 5-3