Cisco Systems ASR 901 10G manual Reading the LEDs, Chassis LEDs, Color/State Location Description

Appendix A Troubleshooting

Reading the LEDs

Reading the LEDs

The following sections describe the LEDs on the router.

•Chassis LEDs

•T1/E1 Interface LEDs

Chassis LEDs

Table A-4summarizes the LEDs on the chassis of the router. These LEDs are common to all versions of the router.

Table A-4		LED Summary
			LED		Color/State		Location	Description
					Copper GE Ports (from GE/FE Quad PHY) Contain Two LEDs each
			RJ-45 Link		Solid Green		PHY	Link with no activity
			L		FLASH Green			Link with activity
					Off			No link
			RJ-45 Speed		Green		PHY	Speed 1000
			S		Off			off
					T1/E1 ports contain Two LEDs each
			Alarm		Off		WP2	Not configured
			AL		Yellow			Alarm Condition
			Active		Off		WP2	Out of Service / Not configured
			C		Green			Carrier Condition (all-ok)
				Copper GE (from Quad combo PHY) ports contain Two LEDS each
			RJ-45 Link		Solid Green		PHY	Link with no activity
			L		FLASH Green			Link with activity
					Off			No link
			RJ-45 Speed		Green		PHY	Speed 1000
			S		Off			off
					System LED
			System		Off		HP	No power or unit not boot-up
					Alternating			POST in progress
					Green/Off
					Solid Green			System Healthy (normal
								operation)
					Solid Red			System Faulty
						SFP LED
			SFP Link-Active		Orange		HP	Link and Active Indicator
			L-A		Off			Not Enabled
		Cisco ASR 901 10G Series Aggregation Services Router Hardware Installation Guide
	A-4							OL-28105-02