Cisco Systems SOHO 77 manual Using the Router LEDs to Check Links, 2-15

Chapter 2 Installation

Using the Router LEDs to Check Links

Using the Router LEDs to Check Links

Use the LEDs on the front of the router to check the links between the router and attached Ethernet devices or telephones. Use Table 2-5to verify the link status of devices attached to Cisco 827, Cisco 827-4V, and SOHO 77 routers.

Table 2-5 LED Patterns for CIsco 827, Cisco 827-4V and SOHO 77 Routers

Power/Link	LEDs to Check	Normal Patterns
Power	OK	On
To hub, server, PC,	ETHERNET 1, ETHERNET	• ETHERNET 1 is on when the Ethernet is
or workstation	RXD, and ETHERNET TXD	physically connected.
		• ETHERNET RXD blinks when an Ethernet
		port receives an Ethernet packet.
		• ETHERNET TXD blinks when an Ethernet
		port sends an Ethernet packet.
To analog	PHONE 1, PHONE 2,	On when telephone or fax machine is in use.
telephone or fax	PHONE 3, PHONE 41
machine
(827-4V only)

1. You can also pick up the handset and listen for a dial tone.

Use Table 2-6to verify the link status of devices attached to Cisco 827H and SOHO 77H routers.

Table 2-6 LED Patterns for Cisco 827H and SOHO 77H Routers

Power/Link	LEDs to Check	Normal Patterns
Power	OK	On
To hub, server, PC,	ETHERNET 1, 2, 3, or 4;	• ETHERNET LED is on when the Ethernet is
or workstation	ETHERNET RXD; and	physically connected to the appropriate port.
	ETHERNET TXD	• RXD LED blinks when an Ethernet port
		receives an Ethernet packet.
		• TXD LED blinks when an Ethernet port
		sends an Ethernet packet.

Cisco 827 and SOHO 77 Routers Hardware Installation Guide

78-6854-03 2-15