Back Panel Ports and LEDs

Chapter 1 Cisco 1721 Router Overview

Back Panel Ports and LEDs

Back Panel Ports and LEDs

This section describes the router back panel ports and LEDs, which are shown in Figure 1-2and described in Table 1-2and Table 1-3.

Figure 1-2 Back Panel Ports and LEDs

Kensington-compatible

 

 

 

 

 

 

locking socket

 

 

 

 

 

Power switch

 

WIC 0 slot

 

Console port

WIC 1 slot

 

 

 

 

 

 

 

 

CONSOLE

 

 

 

TD RD LP

AL

CD

DSU

 

 

 

 

 

 

 

56K

 

 

 

 

SEE MANUAL BEFORE INSTALLATION

 

 

 

 

Model

WIC0OK

 

FDX 100 LINK

10/100 ETHERNET AUX

MODOK WIC1OK

+5, +12, -12 VDC

Cisco 1721

 

 

 

 

 

 

 

 

 

WIC 0

 

 

10/100-Mbps

MOD OK

 

 

OK LED

 

 

Ethernet port

LED

Power

 

 

 

FDX/100/

Auxiliary port

WIC 1 OK

socket

 

 

 

 

 

 

 

LINK LEDs

 

LED

 

65524

Table 1-2 Back Panel Connectors

Connector/Slot

Label/Color

Description

 

 

 

Ethernet port

10/100

Connects the router to the local Ethernet network

 

ETHERNET

through this port. This port autosenses the speed

 

(yellow)

(10 Mbps or 100 Mbps) and duplex mode (full- or half-)

 

 

of the device to which it is connected and then operates

 

 

at the same speed and in the same duplex mode.

 

 

 

Auxiliary port

AUX

Connects to a modem for remote configuration with

 

(black)

Cisco IOS software.

 

 

 

Console port

CONSOLE

Connects to a terminal or PC for local configuration

 

(blue)

using Cisco IOS software.

 

 

 

 

Cisco 1721 Router Hardware Installation Guide

1-4

78-13834-02

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Cisco Systems 1721 Connector/Slot, Label/Color, Description, 2 Back Panel Ports and LEDs, 2 Back Panel Connectors