Cisco Systems 4490 manual Color, 5shows the location of back panel LEDs, and -3describes

Chapter 1 Introduction

Hardware Features

Table 1-2 Front Panel LEDs

LED		Color	State		Description
CD-ROM drive		Green	On		Indicates that the CD-ROM drive is in use.
activity
System error		Amber	On		Indicates that a system error has occurred. An LED on
					the diagnostic LED panel is also on to further isolate
					the error.
Hard disk drive		Green	Flashing		Indicates that the associated hard disk drive is in use.
activity
Power		Green	On		Indicates that the GSS 4490 power is on.
			Flashing		Indicates that the GSS 4490 is in standby mode.
		Figure 1-5shows the location of back panel LEDs, and Table 1-3describes
		their function.
Figure 1-5 Back Panel LEDs
						1	2
							83110
			6	5		4	3
1	Ethernet 0 activity				2	Ethernet 0 link
3	Ethernet 1 activity				4	Ethernet 1 link
5	Power				6	System error

	Cisco Global Site Selector 4490 Hardware Installation Guide
1-6	78-15755-02