Using The Router Leds To Check Links - Cisco SOHO 77 Hardware Installation Manual

Chapter 2 Installation

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
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
Power OK
To hub, server, PC, ETHERNET 1, ETHERNET
or workstation RXD, and ETHERNET TXD
To analog PHONE 1, PHONE 2,
telephone or fax PHONE 3, PHONE 4
machine
(827-4V only)
1. You can also pick up the handset and listen for a dial tone.
Use
Table 2-6 LED Patterns for Cisco 827H and SOHO 77H Routers
Power/Link LEDs to Check
Power OK
To hub, server, PC, ETHERNET 1, 2, 3, or 4;
or workstation ETHERNET RXD; and
ETHERNET TXD
78-6854-03
Table 2-5
1
Table 2-6 to verify the link status of devices attached to Cisco 827H and SOHO 77H routers.
to verify the link status of devices attached to Cisco 827, Cisco
Normal Patterns
On
ETHERNET 1 is on when the Ethernet is
•
physically connected.
ETHERNET RXD blinks when an Ethernet
•
port receives an Ethernet packet.
ETHERNET TXD blinks when an Ethernet
•
port sends an Ethernet packet.
On when telephone or fax machine is in use.
Normal Patterns
On
ETHERNET LED is on when the Ethernet is
•
physically connected to the appropriate port.
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
Using the Router LEDs to Check Links
2-15