Cisco 805 Series Istruzioni operative e di sicurezza

CHAPTER

Product Overview 1-1

Product Overview

The Cisco 805 router can connect a remote ofﬁce to a corporate ofﬁce or a small

professional ofﬁce to an Internet service provider (ISP).

In the remote-ofﬁce-to-corporate-ofﬁce network, the remote ofﬁce is typically a small

professional ofﬁce that is part of a larger corporation, such as a real estate ofﬁce. Although

amajorityofitsdatamightexistattheremoteofﬁceitself,theremoteofﬁcemightalsoneed

to exchange data with its larger corporate ofﬁce. As a result, the remote ofﬁce needs a

connection to the corporate ofﬁce.

In the small-ofﬁce-to-ISP network, the small ofﬁce is typically a small, independent

professional ofﬁce,such as a small architectural ﬁrm that needs to access information from

the Internet.

Features Table 1-1 summarizes the features of the Cisco 805 router.

Table 1-1 Cisco 805 Feature Summary

Feature Description

10BaseT Ethernet port Provides connection to a 10BaseT (10 Mbps) Ethernet network.

Compatible with a 10/100-Mbps device.

Serial port Provides connection to EIA/TIA-232, EIA/TIA-449, EIA/TIA-530,

EIA/TIA-530A, X.21, and V.35 data terminal equipment (DTE) or

data communications equipment (DCE).

RJ-45 Console port Provides connection to terminal or PC for software conﬁguration

and for router troubleshooting.

Features

Cisco 805 Router Hardware Installation Guide

1-2

Flash memory Router provides 4 MB of Flash memory.1

Dynamic RAM (DRAM) Router provides 8 MB of DRAM.1

Ease of installation Color-coded ports and cables reduce the chance of error.

Cisco IOS software Router supports a subset of Cisco IOS software.

Cisco 805 Fast Step

software Provides a Windows 95, Windows 98, and Windows NT software

tool for basic Cisco 805 conﬁguration.

Cable lock Provides a way to physically secure router.

Locking power connector Locks power connector in place.

Wall-mount feature Brackets on router bottom provide a way to mount router on wall or

vertical surface.

1 An additional 4 or 8 MB of Flash memory and DRAM can be added at the factory or later. You can order

upgrade kits and have qualified personnel add the memory. The Cisco product number for the 4-MB Flash

memory upgrade kit is MEM805-4U8F, for the 8-MB Flash memory upgrade kit it is MEM805-4U12F, for

the 4-MB DRAM upgrade kit it is MEM805-8U12D, and for the 8-MB DRAM upgrade kit it is

MEM805-8U16D. (Because of the height of the actual DRAM component, you must order the additional

DRAM from Cisco.)

Table 1-1 Cisco 805 Feature Summary (continued)

Feature Description

Product Overview 1-3

Front Panel

Figure 1-1 describes the Cisco 805 front panel.

Figure 1-1 Cisco 805 Front Panel

For more details, see the “LEDs” section later in this chapter.

Back Panel

Figure 1-2 describes the Cisco 805 back panel.

If the symbol of suitability ( ) appears above a port, you can connect the port directly to a

public network that follows the European Union standards.

If the symbol of suitability with an overlaid cross ( ) appears above a port, you must not

connect the port to a public network that follows the European Union standards.

Connecting the port to this type of public network can cause severe injury or damage your

router.

OK LED

Indicates

router

has power.

LAN LEDs

Indicate packets

are sent to or

received from

Ethernet port.

WAN LEDs

Indicate packets

are sent to or

received from

serial port.

17281

Back Panel

Cisco 805 Router Hardware Installation Guide

1-4

Figure 1-2 Cisco 805 Back Panel

With the HUB/NO HUB button, you can connect hubs, servers, PCs, and workstations

using the yellow Ethernet (straight-through) cable instead of using a crossover Ethernet

cable, which you would need to supply. This button identiﬁes the device that you

connect to the router Ethernet port using the yellow Ethernet cable. Setting the button

to HUB (in) indicates that you are connecting a hub; setting the button to NO HUB (out)

indicates that you are connecting a server, PC, or workstation. The default setting of this

buttonisHUB.IfyouresetthebuttontoNOHUB,therouterEthernetconnectorcrosses

over the signals transmitted to and received from the yellow Ethernet cable. For

information on how the setting of an equivalent hub button can affect the setting of this

router button, refer to the “Connecting an Ethernet Device” section in Chapter 2,

“Installing the Cisco 805 Router.”

17282

Cisco 805

LINK

HUB

NO HUB

ETHERNET

10 BASE T

Cable lock

Physically

secures

router.

LINK LED

Indicates state

of Ethernet port.

On when connected.

HUB/NO HUB button

(for Ethernet port)

Identifies device

connected to Ethernet

port and determines

Ethernet cable.

Ethernet port

Connects Ethernet

network device.

Console port

Connects PC or

terminal.

Locking power

connector

Connects power

supply.

Power switch

l = On

= Standby or no power output

Serial port

Connects modem

or CSU/DSU.

SERIAL

CONSOLE

Product Overview 1-5

LEDs

LEDs Table 1-2 summarizes the function of each LED. All LEDs are on the router front panel

except for the LINK LED, which is on the router back panel.

Table 1-2 LED Functions

LED Corresponding

Port/Component Color Function

OK Power Green On when power is supplied to the router and when the router

completes the self-test procedure and begins operating.

LAN Ethernet Green On when the Ethernet interface is up.

Off when the Ethernet interface has been shut down.

RXD

(Received)

Ethernet Green Blinks when the Ethernet port receives a packet.

TXD

(Transmitted)

Ethernet Green Blinks when the Ethernet port sends a packet.

(Carrier detect)

Serial Orange On when the serial interface is up and a carrier signal is detected.

Off when a carrier signal is not detected.

RXD

(Received)

Serial Orange Blinks when the serial port receives a packet.

TXD

(Transmitted)

Serial Orange Blinks when the serial port sends a packet.

LINK Ethernet Green On when Ethernet device is connected.

Off when the connection has a problem. Refer to the Chapter 3,

“Troubleshooting.”

LEDs

Cisco 805 Router Hardware Installation Guide

1-6

Altri manuali per 805 Series

Questo manuale è adatto per i seguenti modelli

Indice

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