Linksys BEFSR41v2 Router Manual PDF (Setup & Configuration Guide)

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EtherFast Cable/DSL Routers

6

Instant Broadband Series

5

4-Port Router’s Front Panel LEDs

The LAN Indicators

Power

Green

. The

Power

LED lights up when the Router is powered

on.

Link/Act

Green

. The

Link/Act

LED serves two purposes. If the LED

is continuously lit up, the Router is successfully connected to

a device through the corresponding port (

1

,

2

,

3

or

4

). If the

LED is flickering, the Router is actively sending or receiving

data over that port.

Full/Col

Green

. The

Full/Col

LED also serves two purposes. If this

LED is lit up continuously, the connection made through the

corresponding port is running in Full Duplex mode. If the

LED flickers, the connection is experiencing collisions.

Infrequent collisions are normal.

If this LED flickers too often, there may be a problem with

your connection. See the Troubleshooting section if you

encounter this problem.

100

Orange

. The

100

LED lights up when a successful 100Mbps

connection is made through the corresponding port.

If this LED does not light up, then your connection speed is

10 Mbps.

Getting

to

Know

the

4-Port

EtherFast Cable/DSL Router

The 4-Port Router’s Rear Panel

Your Router’s ports, where network cables are connected, are located on the

rear panel of your Router.

The 4-Port Router’s Ports

WAN

The

WAN

(Wide Area Network) port is where you

connect your cable or DSL modem.

Ports 1-4

These four

LAN

(Local Area Network) ports con-

nect to network devices, such as PCs, print servers,

and remote hard drives. If port

1

is being used, the

Uplink

port will not work because these two shared

ports have internally shared wiring.

Uplink

The

Uplink

port is used to expand your network by

connecting to another switch or hub. Uplinking to a

switch or a hub is done by simply running a cable

from the

Uplink

port to the other device.

See the

Uplinking: Connecting More Devices to the

Router

section for more on uplinking.

If the

Uplink

port is being used, Port 1 will not

work.

Power

The

Power

port is where you will connect the

power adapter.

Page 7 / 45

EtherFast Cable/DSL Routers

8

Instant Broadband Series

7

Getting to Know the 1-Port EtherFast

Cable/DSL Router

The One-Port Router’s Rear Panel

The rear panel of the Router is where all of the Router’s cabling connections

are made, and where you can reset or configure the Router’s

LAN

port.

The One-Port Router’s Ports

WAN

The

WAN

(Wide Area Network) port is where you

connect your cable or DSL modem.

LAN

The

LAN

(Local Area Network) port is where you

connect your Router to a PC, hub, or switch.

If you

have more than one PC, connect an Ethernet hub or

switch to your Router, then connect your PCs to that

hub or switch.

Power

The

Power

port is where you will connect the

power adapter.

The WAN Indicators

Link

Green

. The

Link

LED lights up when a successful connec-

tion is made between the Router and your broadband device

or network.

Act

Green

. The

Act

LED flickers when the Router is sending or

receiving data over the broadband

WAN

port (to the

Internet).

Diag

Red

. The

Diag

LED lights up when the Router goes through

its self-diagnosis mode during every boot-up. It will turn off

upon successful completion of the diagnosis.

If this LED stays on for an abnormally long period of time,

see the Troubleshooting section.

The Reset Button

*

The

Reset

button can be used in one of two ways.

1.

If your Router is having problems connecting to the Internet, press the

Reset

button for just a moment with a paper clip or a pencil tip.

This clears up any

jammed connections, and is similar to pressing the

Reset

button on your PC

to reboot it.

2.

If you are experiencing extreme problems with your Router and have tried

all other troubleshooting measures, press the

Reset

Button and hold it down

until the red

Diag

LED on the front panel turns on and off completely.

This will restore factory defaults and clear all of the Router’s settings, includ-

ing the IP addresses you entered.

* The

Reset

Button is located on the front panel of the 4-Port Router, and the rear panel of the 3-

Port Router and the 1-Port Router.

Page 8 / 45

EtherFast Cable/DSL Routers

is continuously lit up, the Router is successfully connected to

a device through the

LAN

port. If the LED is flickering, the

Router is actively sending or receiving data through the

LAN

port.

Full/Col

Green

. The

Full/Col

LED also serves two purposes. If this

LED remains lit, a LAN port connection is being successful-

ly maintained. If the LED flickers, the connection is experi-

encing collisions. Infrequent collisions are normal.

If this LED flickers too often, there may be a problem with

your connection. See the Troubleshooting section if you

encounter this problem.

10/100

Orange

. The

10/100

LED lights up when a successful

100Mbps connection is made through the corresponding

port.

If a connection is running at 10Mbps, the

10/100

LED will

not light up.

The WAN Indicators

Link

Green

. The

Link

LED lights up when a successful connec-

tion is made between the Router and your broadband device

or network.

Act

Green

. The

Act

LED flickers when the Router is sending or

receiving data over the broadband

WAN

port.

Diag

Red

. The

Diag

LED lights up when the Router goes through

its self-diagnostic mode. It will turn off upon successful

completion of the diagnosis.

If this LED stays on for an abnormally long period of time,

see the Troubleshooting section.

10

Instant Broadband Series

9

Buttons & Switches

The Reset Button

Details on the

Reset

button are found in the

Getting

to Know the 4-Port EtherFast Cable/DSL Router

section.

The Crossover Switch

When“

uplinking

,” or connecting two pieces of network hardware together,

such as a hub and a switch,

a

general

rule of thumb

is to plug one end of a

network cable into a straight-through port, and the other end into a crossover

port. Standard ports are straight-through ports, and uplink ports are crossover

ports.

The

1

-

Port

The LAN Indicators

Power

Green

. The

Power

LED lights up green when the Router is

powered on.

Link/Act

Green

. The

Link/Act

LED serves two purposes. If the LED

Note:

The diagram above is for reference

purposes only.

Every network is different.

If

you do not make a connection to a hub or

switch by using the settings above, change

the position of the Crossover Switch.

The 1-Port Router’s Front Panel LEDs

Page 9 / 45

This USB icon denotes the presence of a USB port or connector.

Your 3-Port Router comes with a USB cable that has two different types of con-

nectors.

Type A, the master connector, is shaped like a rectangle and plugs into

your PC’s USB port.

Type B, the slave connector, resembles a square and con-

nects to the USB port on the rear panel of your Router.

EtherFast Cable/DSL Routers

12

Instant Broadband Series

11

Getting to Know the 3-Port

EtherFast Cable/DSL Router

The 3-Port Router’s Rear Panel Ports

The 3-Port Router’s Ports

Ports 1-3

These three

LAN

ports connect to your PCs, hubs,

switches, print servers, or any other device with an

Ethernet port.

Uplink

The

Uplink

port connects to another hub or switch

for port expansion when you run out of open ports

for your network devices.

Since the

Uplink

port

and the standard port right next to it share internal

wiring, you can only use one of the two ports at a

time.

WAN

This

WAN

port connects to your cable or DSL

modem.

Your modem connection will not work

from any other port.

Power

The

Power

port is where you will connect the power

adapter.

USB

The USB port (Type B - slave) can connect to a

USB-ready PC or a USB hub.

This allows you to

enjoy an immediate, plug-and-play connection

without even installing a network adapter for your

PC.

To work with USB ports, your PC must be run-

ning Windows 98, 2000, or Millennium.

USB Compatibility with Your PC

To use the USB port on the 3-Port Router, you must have Windows 98, 2000, or

Millennium installed on your PC.

USB cannot run in a Windows 95 or NT environ-

ment.

Also, your PC must have a USB port installed and enabled.

Some PCs may have a dis-

abled USB port.

If your port doesn’t seem to be working, there may be jumpers on the

motherboard or a menu option in the BIOS to enable a PC’s USB port.

Other motherboards have USB interfaces, but no ports.

You can install your own USB

port and attach it to your PC’s motherboard using hardware purchased at retail com-

puter stores.

See your PC’s User Guide for instructions.

USB Type A

USB Type B

USB ports do not work on PCs running

Windows 95 or Windows NT

.

Page 10 / 45

EtherFast Cable/DSL Routers

USB

The

USB

LED lights up when the USB port is successfully

connected to a PC, USB hub, or other USB device.

The WAN Indicators

Link

Green

. The

Link

LED lights up when a successful connec-

tion is made between the Router and your broadband device

or network.

Act

Green

. The

Act

LED flickers when the Router is sending or

receiving data over the broadband

WAN

port.

Diag

Red

. The

Diag

LED lights up when the Router goes through

its self-diagnostic mode. It will turn off upon successful

completion of the diagnosis.

If this LED stays on for an abnormally long period of time,

see the Troubleshooting section.

14

Instant Broadband Series

Buttons

The Reset Button

Details on the

Reset

button are found in the

Getting

to Know the 4-Port EtherFast Cable/DSL Router

section.

The 3-Port Router’s Front Panel LEDs

The LAN Indicators

Power

Green

. The

Power

LED lights up green when the Router is

powered on.

Link/Act

Green.

The

Link/Act

LED serves two purposes. If the LED

is continuously lit up, the Router is successfully connected to

a device through the corresponding RJ-45 port (

1

,

2

, or

3

).

If

the LED flickers, then that port is sending or receiving data

to and from the network.

Full/Col

Green

. The

Full/Col

LED also serves two purposes. If this

LED is continuously lit up, the connection made through the

corresponding port is successfully running in Full Duplex

mode.

If the LED is flickering, the connection is experien-

ing collisions. Infrequent collisions are normal.

If this LED flickers too often, there may be a problem with

your connection. See the Troubleshooting section if you have

problems.

100

Orange

. The

100

LED lights up when a successful 100Mbps

connection is made through the corresponding port.

If this

LED does not light up, then your connection speed is 10

Mbps.

13

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