Cisco Systems 6200 appendix LEDs on the NTC OC-3, Color Condition Indicated

1 Hardware Description			78-5296-02 10/02/98
	Table 1-3	LEDs on the NTC OC-3
	LED	Color	Condition Indicated
	POWER	Green	The module is receiving power.
	READY	Green	The NTC is experiencing no problems.
		Yellow	The NTC failed its power-on self test; it has a hardware problem. Refer to
			Chapter 7, “Troubleshooting.”
		Off	The NTC is either initializing or in test mode.
	PRIME	Green	This NTC is active and is using the primary bus.
	SEC	Green	This NTC is active and is using the secondary bus. (Redundant systems only.)
	TD	Green	None of the fault conditions that cause the LED to turn yellow or turn off have
			been reported.
		Yellow	The LRFI fault condition has been reported on the transmit side.
		Red	The PRFI fault condition has been reported on the transmit side.
	RD	Green	None of the fault conditions that cause the LED to turn yellow or turn off have
			been reported.
		Yellow	One or more of the following fault conditions have been reported on the receive
			side: LOS, LOF, LOP, EQF, LOCD, LAIS.
		Red	One or more of the following fault conditions have been reported on the receive
			side: PAIS, LOST, Signal Label Mismatch. It is not possible to determine with a
			high degree of certainty the operational state of the link when one of these
			conditions is present.

1-12Cisco 6200 User Guide