Linksys BEFCMUH4 Router Manual PDF (Setup & Configuration Guide)

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Cable Gateway

Chapter 2: Getting to Know the

Cable Gateway

The Cable Gateway’s ports are located on the back panel of the Cable Gateway,

as shown in Figure 2-1.

On/Off Switch

This switch is used for turning the Cable Gateway

on and off.

Power

The Power port is where you will connect the power

adapter.

Reset

Press this button to restore the Cable Gateway to it

factory default settings.

Home PNA

This is where you can connect your cable for Home

PNA.

USB

This is where you can use a USB cable to connect a

PC or other network device to the Cable Gateway.

Ports 1-4

These four ports are used to connect network

devices, such as PCs, print servers, and remote hard

drives to your local area network (LAN).

Cable

The Cable port is where you will connect your coax-

ial Cable line.

Wireless PC Card Slot

This is where you can connect the optional wireless

PC card (model number WPC11, not included) for

wireless features.

The Cable Gateway’s Back Panel Ports

Figure 2-1

Instant Broadband

Series

This user guide covers the basic steps for setting up a network with the Cable

Gateway. After going through the Chapter 2: Getting to Know the Cable

Gateway, proceed through the following chapters:

•

Chapter 3: Connecting the Cable Gateway

This chapter instructs you on how to connect the coaxial Cable line to the

Cable Gateway and connect the PC(s) to the Cable Gateway.

•

Chapter 4: Configuring the PCs

This chapter instructs you on how to configure your PC(s) for a DHCP con-

nection, if the network settings are not already set to DHCP.

•

Chapter 5: Using the Cable Gateway’s Web-based Utility

This chapter explains how to configure the Cable Gateway for wireless net-

working using your web browser and the Cable Gateway’s web-based utility.

When you’re finished with the basic steps, you are ready to connect to the

Internet through your new network. An example of such a network is shown in

Figure 1-1.

Network Setup Overview

Notebook with

Ethernet Adapter

Cable Gateway

with Modem / Router / USB / Home

PNA / 4-Port

Switch / Wireless-Ready

LAN

PC with

Ethernet Adapter

WAN

Figure 1-1

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Cable Gateway

Instant Broadband

Series

Link/Act

Green.

The Link/Act LED serves two purposes.

the LED is solid, the Cable Gateway is successfully

connected to a device through the corresponding port

(1, 2, 3, or 4).

If the LED is flashing, the Cable

Gateway is actively sending or receiving data over that

port.

Full/Col

Green.

The Full/Col LED serves two purposes.

If this

LED is solid, the connection made through the corre-

sponding port (1, 2, 3 or 4) is running in Full Duplex

mode, otherwise it is operating in Half Duplex mode.

If the LED flashes, the connection is experiencing col-

lisions.

Occasional collisions are normal.

100

Green.

This LED is solid when a successful 100Mbps

connection is made through the corresponding port (1,

2, 3 or 4).

If this LED does not light up, then the con-

nection speed on that port is 10Mbps.

Cable Modem - Cable

Green.

This LED will go through a series of flashes

as the Cable Gateway goes through its startup and reg-

istration process.

It will remain solid when registra-

tion is complete and the Cable Gateway is operational.

Cable Modem - Receive

Green.

This LED flashes when data is being received

through the cable Gateway interface.

Cable Modem - Send

Green.

This LED flashes when data is being trans-

mitted through the Cable Gateway Interface.

Proceed to “Chapter 3: Connecting the Cable Gateway.”

Power

Green.

The Power LED is solid when the Cable Gateway is

powered on.

Diag

Red.

If the Diag LED is solid or flashes after the startup

process, the Cable Gateway may be malfunctioning.

See

"Appendix A: Troubleshooting" if you encounter this problem.

Link/Act USB

Green.

This LED is solid when a PC is connected to the Cable

Gateway via USB, and drivers are installed.

Link/Act HPNA

Green.

This LED is solid when the Cable Gateway is con-

nected to another HPNA device or an HPNA network.

Link/Act WLAN

Green.

This LED is solid when a wireless PC Card (model

number WPC11, not included) is installed and functioning in

the Cable Gateway.

The LED flashes during wireless activity.

The Cable Gateway’s Front Panel LEDs

Figure 2-2

Briefly pressing the Reset Button, along with rebooting the Cable Gateway,

will refresh the Cable Gateway’s connections. If the Cable Gateway locks up,

simply press the Reset Button or power it down for three to five seconds.

Pressing the Reset Button and holding it in for a few seconds will clear all of

the Cable Gateway’s data and restore the factory defaults. This should be done

only if you are experiencing networking problems and have exhausted all of

the other troubleshooting options. By resetting the Cable Gateway, you run the

risk of creating conflicts between your PCs’ actual IP Addresses and what the

Cable Gateway thinks the IP Addresses of the PCs should be. You may be

forced to reboot each network PC.

The Reset Button

You should only reboot the Cable Gateway after all other troubleshooting

methods have been exhausted but before calling Linksys Technical Support.

There are three ways to reboot the Cable Gateway:

1) Briefly press the Reset Button.

2) Turn the Cable Gateway’s power off for a few seconds and power it back on

again.

3) Unplug the Cable Gateway’s power adapter and plug it back in again.

Rebooting the Cable Gateway may cause conflicts with IP Addresses.

Rebooting the Cable Gateway

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Cable Gateway

Chapter 3:Connecting the Cable

Gateway

You will connect the Cable Gateway to your Cable service’s coaxial cable line

and to the computers in your home or business.

First, make sure that all the devices that you’ll be working with are powered

down, including your PCs and the Cable Gateway.

Connect the coaxial cable that is provided by your cable service provider to

the Cable port that is on the back of the Cable Gateway, as shown in Figure

3-1.

Connect one end of

an Ethernet cable to

your PC’s Ethernet

adapter, as shown in

Figure 3-2.

Note: If your PC’s Ethernet adapter is not set up, please refer to the Ethernet

adapter’s user guide for more information.

Connect the other end of the cable to one of the LAN ports on the back of the

Cable Gateway, as shown in Figure 3-3.

Figure 3-1

Figure 3-2

Instant Broadband

Series

The USB icon, shown in Figure 2-3, marks a USB port on a PC or device.

The Cable Gateway comes with one USB cable.

Connect one end of the USB

cable to the Cable Gateway. Connect the other end to a computer’s USB port.

The picture shows two USB ports as they might appear on

your computer. Note the two USB icons marking the

ports.

Due to the limitations of standard telephone cables, HPNA devices require that

HPNA cabling does not exceed a total length of 150 meters (500 feet). In other

words, if you have more than 500 feet of telephone wires connecting your

HPNA device to your network, you will be more likely to experience data loss.

Any standard telephone cable can be used to connect the Cable Gateway to your

HPNA network.

The USB Icon

Figure 2-3

USB Cabling

Figure 5-2

HPNA Cabling

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Cable Gateway

Chapter 4: Configuring the PCs

The instructions in this chapter will help you configure each of your comput-

ers to be able to communicate with the Cable Gateway.

To do this, you need to configure your PC’s network settings to obtain an IP (or

TCP/IP) address automatically (called DHCP). Computers use IP addresses to

communicate with each other across a local network or the Internet.

You will need to know which operating system your computer is running, such

as Windows 95, 98, Me, 2000, or XP.

One way to find out which operating sys-

tem you have is by clicking the

Start

button and selecting the

Settings

option.

Then, open the

Control Panel

, and double-click the

System

icon. The screen

that appears should display your operating system.

You may need to configure each computer you are connecting to the Cable

Gateway.

The next few pages show you, step by step, how to configure your network set-

tings based on the type of Windows operating system you are using.

If your operating system is not referenced here, refer to your operating system’s

documentation.

Once you've configured your computers, continue to “Chapter 5: Using the

Cable Gateway’s Web-based Utility.”

Go to the Network screen. Do this by clicking the

Start

button, selecting

Settings

and opening the

Control Panel

. From there, double-click the

Network

icon.

Instant Broadband

Series

Overview

Make sure there is an Ethernet cable connected from the Cable Gateway to

every

PC that you want on your local network. If you are connecting more than four

PCs to the Cable Gateway via the Ethernet, you will also need to connect a hub

or switch to the Cable Gateway.

Connect the power adapter to the Cable Gateway, as shown in Figure 3-4.

Plug the other end of the power adapter into the electrical outlet, preferably

a surge protector.

Turn on the Cable Gateway. Then, turn on the first PC that you want to use

to configure the Cable Gateway.

o to “Chapter 4: Configuring the PCs.”

Figure 3-3

Note:

If you have a Linksys wireless PC Card, be sure to fully insert

it into the PC Card slot on the back of the Cable Gateway before

turning on the power.

You must have this card inserted in order to

use the Cable Gateway's wireless features.

Figure 3-4

Windows 95, 98, and Me

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Cable Gateway

4. Now click the

Gateway

tab to ensure that the Installed Gateway field is left

blank. Click the

button.

5. Click the

button again.

Windows may ask you for the original

Windows installation disk or additional files. Supply them by pointing to

the

correct

file

location,

e.g.,

D:\win98,

D:\win9x,

c:\windows\options\cabs, etc. (if “D” is the letter of your CD-ROM drive).

Windows may ask you to restart your PC. Click the

Yes

button. If Windows

does not ask you to restart, restart your computer anyway.

Go to “Chapter 5: Using the Cable Gateway’s Web-based Utility.”

Go to the Network screen by clicking the

Start

button. Click

Settings

and

then

Control Panel

From there, double-click the

Network and Dial-up

Connections

icon.

2. Select the

Local Area Connection

icon for the applicable Ethernet adapter

(usually it is the first Local Area Connection listed). Do not choose a

TCP/IP entry whose name mentions DUN, PPPoE, VPN, or AOL. Double-

click the

Local Area Connection

3. The Local Area

C o n n e c t i o n

Status screen will

appear, as shown

Figure

4-3.

Click

the

Properties

but-

ton.

Instant Broadband

Series

2. On the Configuration tab,

select the

TCP/IP line

for

the applicable Ethernet

adapter, as shown in Figure

4-1. Do not choose a

TCP/IP entry whose name

mentions DUN, PPPoE,

VPN, or AOL. If the word

TCP/IP

appears by itself,

select that line. (If there is

no TCP/IP line listed, refer

to “Appendix C: Installing

the TCP/IP Protocol” or

your Ethernet adapter’s

documentation to install

TCP/IP now.) Click the

Properties

button.

3. Click the

IP Address

tab. Select

Obtain an

IP address automati-

cally

, as shown in

Figure 4-2.

Figure 4-2

Figure 4-1

Windows 2000

Figure 4-3

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