Chapter 1 Product Overview

Router Overview

LED Functions

Table 1-3summarizes the functions of the LEDs on the routers.

Table 1-3 Functions of LEDs on the Cisco 831 Router and SOHO 91 Router

LED

Color

Function

 

 

 

PWR_OK

Green

On when DC power is being supplied to the router. The light blinks if an error

 

 

occurs during boot-up.

 

 

 

WAN_LED_OK

Green

On when WAN Ethernet carrier detects status and connects to the digital

 

 

subscriber line access multiplexer (DSLAM) successfully.

 

 

 

WAN_LED_RxD

Green

Blinks when WAN Ethernet receives data.

 

 

 

WAN_LED_TxD

Green

Blinks when WAN Ethernet transmits data. Off when no data is being

 

 

uploaded.

 

 

 

E1 (port 1 of

Green

On when Ethernet 1 connects to the Ethernet interface successfully. Blinks

built-in switch)

 

when Ethernet 1 receives or sends data, or when data passes through

Status

 

Ethernet 1.

 

 

 

E2 (port 1 of

Green

On when Ethernet 2 connects to the Ethernet interface successfully. Blinks

built-in switch)

 

when Ethernet 2 receives or sends data, or when data passes through

Status

 

Ethernet 2.

 

 

 

E3 (port 1 of

Green

On when Ethernet 3 connects to the Ethernet interface successfully. Blinks

built-in switch)

 

when Ethernet 3 receives or sends data, or when data passes through

Status

 

Ethernet 3.

 

 

 

E4 (port 1 of

Green

On when Ethernet 4 connects to the Ethernet interface successfully. Blinks

built-in switch)

 

when Ethernet 4 receives or sends data, or when data passes through

Status

 

Ethernet 4.

 

 

 

LAN_RxD

Green

Blinks when built-in Ethernet switch receives data from the WAN port.

 

 

 

LAN_TxD

Green

Blinks when built-in Ethernet switch transmits data to the WAN port.

 

 

 

 

 

Cisco 831 Router and SOHO 91 Router Hardware Installation Guide

 

 

 

 

 

 

78-14784-02

 

 

1-5

 

 

 

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Cisco Systems 78-14784-02 manual LED Functions, Color Function

78-14784-02 specifications

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In conclusion, the Cisco Systems 78-14784-02 stands out as a reliable networking solution equipped with essential features tailored for today's dynamic digital environments. Its high performance, robust security, support for innovative technologies, interoperability, and ease of management make it a valuable asset for any organization looking to enhance its network capabilities. Whether for small businesses or large enterprises, the 78-14784-02 is designed to empower organizations to meet their networking needs efficiently and securely.