Cisco Systems 80O SERIES manual LEDs, Color Function

Chapter 1 Overview

LEDs

Figure 1-9 Cisco 804 IDSL Router Back Panel

Ethernet ports	IDSL port	Power switch
Connect Ethernet	Connect to IDSL	l = On.
network devices.	wall jack.	= Standby or no
		power output.

	TO	HUB	ETHERNET 10		Cisco	804
	TO			BASE T			IDSL
		PC			CONSOLE
							IDSL
			1
			2	3
					4
Use cable	TO HUB/TO PC							30772
Cable lock
lock to	(for Ethernet port 1)				Console port
physically	Determines cable
secure	type for Ethernet				Connect PC or			Locking power
router.	device connection.				terminal.			connector
								Connect power
								supply.

LEDs

Table 1-3summarizes the function of each LED.

Table 1-3 LED Functions

	LED	Color	Function
	OK	Green	On when power is supplied to the router and when the router completes the
			self-test procedure and begins operating.
	NT1	Green	Not applicable for Cisco 801 and 803 routers.
			On when the internal NT1 and the ISDN switch are synchronized.
			Blinks when the internal NT1 and the ISDN switch are attempting to
			synchronize.
	LINE	Green	On when the ISDN interface and the ISDN terminal device are synchronized.
	LAN	Green	On when packets are sent to or received from an Ethernet port.
	LAN RXD	Green	Blinks when an Ethernet port receives a packet.
	LAN TXD	Green	Blinks when an Ethernet port sends a packet.
	LKØ, LK1,	Green	Cisco 803 and 804 routers only.
	LK2, LK3		On when the Ethernet device is connected.
			Off when the Ethernet device is not connected.
			Blinks when the connection has a problem. See the “Troubleshooting”
			chapter.
	ETHERNET	Green	Cisco 804 IDSL routers only.
1, 2, 3, 4			On when the Ethernet device is connected.
			Off when the Ethernet device is not connected.
			Blinks when the connection has a problem. See the “Troubleshooting”
			chapter.
			Cisco 800 Series Routers Hardware Installation Guide
	78-5373-04			1-7