Back panel ports and leds – Cisco 1721 User Manual

Page 26

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Chapter 1 Cisco 1721 Router Overview

Back Panel Ports and LEDs

1-4

Cisco 1721 Router Hardware Installation Guide

78-13834-02

Back Panel Ports and LEDs

This section describes the router back panel ports and LEDs, which are shown in

Figure 1-2

and described in

Table 1-2

and

Table 1-3

.

Figure 1-2

Back Panel Ports and LEDs

Table 1-2

Back Panel Connectors

Connector/Slot

Label/Color

Description

Ethernet port

10/100
ETHERNET
(yellow)

Connects the router to the local Ethernet network
through this port. This port autosenses the speed
(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
(black)

Connects to a modem for remote configuration with
Cisco IOS software.

Console port

CONSOLE
(blue)

Connects to a terminal or PC for local configuration
using Cisco IOS software.

Power

socket

+5, +12, -12 VDC

CONSOLE

10/100 ETHERNET

AUX

FDX

LINK

100

WIC 0 OK

WIC 1 OK

MOD OK

Power switch

Model
Cisco 1721

65524

FDX/100/

LINK LEDs

Auxiliary port

Kensington-compatible

locking socket

WIC 0

OK LED

10/100-Mbps
Ethernet port

MOD OK

LED

WIC 1 OK

LED

WIC 0 slot

WIC 1 slot

Console port

SEE MANUAL BEFORE INSTALLATION

DSU

56K

CD

AL

LP

RD

TD

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