Cisco Systems ISR4451XK9 manual Status Green Tbd Side Ports 0, 1 Amber Off Not present

Chapter 1 Overview of the Cisco 4451-X Integrated Services Router

Hardware Features

Table 1-1	LED Indicators on the Cisco ISR 4451-X (continued)
LED	Represents	Color	Description	Location
L	Ethernet	Green	Ethernet cable present and link established with	I/O side
(right)	ports 2 and 3		other side.
	and
		Off	No link.
	Management
	Ethernet
	Link
S	Ethernet	Green	Blinking: blink frequency indicates port speed:	I/O side
(right)	ports 2, and 3		1 blink - 10Mbps link speed
	and
			2 blinks - 100Mbps link speed
	Management
	Ethernet		3 blinks - 1000Mbps link speed
	Speed
		Off	No link
SFP EN	Port 0, 1, 2,	Green	Indicates SFP module detected and recognized.	I/O side
	and 3 Enable
		Amber	Initialized with error.
		Off	Not present.
SFP S	Status of	Green	tbd	I/O side
	Ports 0, 1, 2,
		Amber
	and 3
		Off	Not present.
SER	Serial	Green	Indicates that the active console port is RJ-45.	I/O side
CON	Console		Note When this LED is on, the USB CON LED
	Active
(right)			will be off.
USB	USB Console	Green	Green indicates that the active console port is USB.	I/O side
CON	Active		Note When this LED is on, the SER CON LED
(left)			will be off.
ISC	ISC Slot	Green	PVDM4 present and enabled.	Bezel side
	Status
		Amber	Initialized with error.
		Off	Not present.
FLASH	Compact	Green	Present and inactive.	Bezel side
	Flash Status
		Blinking	Compact flash present and currently being
		Green	accessed.
			Note Do not remove the Compact Flash when this
			LED is blinking.
		Off	Not present.
PSU	Power	Green	PSU on and providing power.	Bezel side
	Supply Unit
		Amber	PSU is on but with errors or in a failure condition.
	(P0 and P1)
		Off	Power supply turned off.
	Status

	Hardware Installation Guide for the Cisco 4451-X Integrated Services Router
OL-27644-01		1-12