NETGEAR RT338 Manuale utente

Model RT338 ISDN Router Installation Guide

Congratulations on your purchase of a NETGEAR™Model RT338 ISDN

Router.

This document provides instructions to get you connected to an ISDN Internet

service line using the NETGEAR Model RT338 router and your personal

computer. The document is only a quick reference guide. For more detailed

information about installation and configuration, refer to Model RT338 ISDN

Router Installation Guide included on the Model RT338 Resources CD.

Front Panel

The front panel of the Model RT338 router contains status LEDs. Refer to the

illustration and table below for descriptions of the LEDs on the front panel of

the router.

Start Here

Product Illustration

9534FA

RT338

MODEL

PWR TEST LNK/ACT

LAN ISDN

100 B1DB212

Front Panel of the Model RT338 Router

Power switch

Test LED

LAN LEDs

ISDN LEDs

Phone LEDs

Model RT338 ISDN Router Installation Guide

Rear Panel

Refer to this diagram to identify all the ports on the router when you attempt to make any

connections.

Label Activity Description

PWR (Power) On Power is supplied to the router.

TEST Blinking/Off If this LED blinks during initialization and then turns

off, the router is functioning properly.

LAN

LNK/ACT

(Link/Activity) On

Blinking

Link has been detected on the LAN port.

A data packet is being sent or received on the port.

100 Off

LAN is operating at 10 Mbps.

LAN is operating at 100 Mbps.

ISDN

DOn Router is synchronized with the attached ISDN line.

ISDN B channel is sending or receiving a call.

1 (Phone) On An analog device (telephone, fax, or modem)

connected to the Phone 1 port is in use.

2 (Phone) On An analog device connected to the Phone 2 port is

in use.

POWER

12VDC

LAN MANAGER

ISDN

PHONE 1 PHONE 2

Rear Panel of the Model RT338 Router

RS-232

Manager port

LAN port

AC adapter outlet

Phone

ports

9535FA

Power switch

ISDN port

Model RT338 ISDN Router Installation Guide

Refer to the following illustration and steps when connecting the router.

To connect your router:

1. Connect your PC or hub to the LAN port:

• Use the red crossover cable included to connect the router directly to a

PC.

• Use the white straight-through cable included to connect the router to a

10 Mbps or 100 Mbps hub or switch port. The router will sense the

speed of the connected port and will automatically set its speed to

match.

2. Connect the analog devices to the phone ports (Phone 1 and Phone 2,

respectively).

3. Connect the ISDN line from the router to the ISDN wall connection.

Use the black cable that is provided.

4. Connect a network manager workstation to the RS-232 port. This step

is optional.

5. Connect the DC power adapter cable to the power outlet on the rear

panel of the switch and plug the power adapter into the wall outlet.

Note: If you are using a 100 Mbps Fast Ethernet network or a mixed

10 Mbps/100 Mbps network, use Category 5 cabling (included).

Installing the Hardware

POWER

12VDC

LAN MANAGER

ISDN

PHONE 1 PHONE 2

Installing the Model RT338 Router

9536FA

PCs

or hubs Phone or other

analog devices

Phone or other

analog devices

Network

manager

(optional)

ISDN wall

connection

AC power

adapter

Model RT338 ISDN Router Installation Guide

Do the following to prepare your router:

• Order ISDN service from the phone company.

• Configure your PC to use the TCP/IP networking protocol.

• Order Internet service from an Internet service provider (ISP).

The following section provides an overview of the requirements.

Ordering an ISDN Line

Contact the ISDN sales center of the phone company and order an ISDN Basic

Rate Interface (BRI) phone line. In North America, provide the phone company

with an ISDN ordering code (IOC). NETGEAR recommends codes IOC “U” or

EZ-ISDN1 for the Model RT338 router. Additional information about ordering

an ISDN line can be found in the Model RT338 ISDN Router Installation Guide.

When the ISDN line is installed, make sure you have the following information:

• ISDN directory number(s)

• Service profile identifier numbers (SPIDs) (North America only)

• Switch type and protocol of the switch (such as National ISDN NI-1) used

at the telephone company (North America only)

Order any additional ISDN or phone service at this time.

Setting up Your Network

The Model RT338 router uses the Internet Protocol (IP). To access the Internet

using the Model RT338 router, all PCs must have TCP/IP installed and selected

as their networking protocol. TCP/IP is built into Windows® 95, Windows 98,

and Windows NT® but must be enabled and configured. Refer to “Configuring

TCP/IP Properties” for instructions to install IP networking.

In an IP network, all PCs must be assigned IP addresses. Most LANs use private

IP addresses. These addresses are assigned automatically by the Model RT338

router whenever a PC reboots. Refer to “Using Private IP Addresses” for

instructions to use private IP addressing.

All PCs must also have other IP configuration information, including a subnet

mask, a domain name server (DNS) address, and a default gateway address. This

information is also assigned automatically by the Model RT338 router whenever

a PC reboots. For more information about these parameters, refer to the Model

RT338 ISDN Router Installation Guide.

Preparing the Router

Model RT338 ISDN Router Installation Guide

Using Private IP Addresses

Using the DHCP protocol, the Model RT338 router assigns private IP addresses

to all the PCs on your LAN (when the PC reboots). The Internet Engineering

Task Force (IETF) reserves these addresses for use in private networks:

• 192.168.0.1—local IP address for the router (This address also serves as the

DNS address and default gateway address for all of the PCs.)

• 192.168.0.2 through 192.168.0.32—IP addresses of your PCs

• 255.255.255.0—subnet mask for your router and PC

Setting up an ISP

Contact an ISP and request a single-user Internet access account. You can

connect a multiuser LAN through a single-user account by using the Network

Address Translation (NAT) feature on the router.

In a single-user account, the ISP assigns one registered IP address to use. With

most accounts, this address is assigned dynamically each time you log in to the

account, so you will not need to know the actual address. The NAT feature

translates the private IP addresses of your network PC(s) to this address for

accessing the Internet.

Account Information

The ISP should give you the following information for your account:

• Local phone number for accessing the ISP

• Login name

• Password

Questions to ask the ISP

In addition, you should ask your ISP these questions:

• Will the IP address be dynamically assigned?

Refer to the Model RT338 ISDN Router Installation Guide on the Model

RT338 Resources CD for instructions to configure a static IP address.

• Will your DNS server address be dynamically assigned?

If not, enter it in FirstGear’s ISP connection.

• Does your ISP support Multilink Protocol?

If you want to connect both ISDN B channels simultaneously for a 128

Kbps connection, your ISP must support Multilink Protocol.

Model RT338 ISDN Router Installation Guide

Configuring Windows 95 or Windows 98 for IP Networking

All PCs must have an Ethernet adapter card installed and TCP/IP as their

protocol. TCP/IP installation must be done manually.

To configure Windows 95 or Windows 98 for IP networking:

• Select the network properties from the Windows Control Panel.

Find your Ethernet adapter, TCP/IP protocol, and Client for Microsoft

Networks. If these do not exist, you must add them.

To add an Ethernet adapter:

a. Click on Add.

b. Select Adapter.

c. Click on Add (again).

d. Select the manufacturer and model for the Ethernet adapter.

e. Click on OK.

To add TCP/IP:

a. Click on Add.

b. Click on Protocol.

c. Click on Add (again).

d. Select Microsoft.

e. Select TCP/IP.

f. Click on OK.

To add a Client for Microsoft Networks:

a. Click on Add.

b. Click on Client.

c. Click on Add (again).

d. Select Microsoft.

e. Select Client for Microsoft Networks.

f. Click on OK.

Restart your PC after making these changes.

Configuring TCP/IP Properties

NETGEAR recommends that you keep the default settings for the TCP/IP setup

parameters, because your PC is configured to obtain its TCP/IP configuration

information from a DHCP server on the LAN. The Model RT338 router is

shipped preconfigured as a DHCP server and assigns the TCP/IP configuration.

To obtain the configuration information from the router:

1. Turn on power to the router.

Wait at least one minute before continuing to step 2.

2. Reboot each PC on your LAN.

Configuring the PCs

Model RT338 ISDN Router Installation Guide

Verifying TCP/IP Properties

After your PC has been configured and rebooted, check the TCP/IP

configuration using the Windows 95 and Windows 98 utility winipcfg.exe. For

Windows NT systems, use ipconfig.exe.

To check the TCP/IP configuration:

1. From Start, select Run.

2. Type winipcfg (or ipconfig for Windows NT).

3. Click on OK.

The IP Configuration window opens.

4. In the IP configuration window, select your Ethernet adapter.

5. Verify the following:

• IP address is set at between 192.168.0.2 and 192.168.0.31.

• Subnet mask is set at 255.255.255.0.

• Default gateway is set at 192.168.0.1.

6. Click on More Info.

7. Verify that the DNS server is set to 192.168.0.1.

To configure your router, you will use the FirstGear™configuration software

that is provided on the Model RT338 Resources CD.

To install and run FirstGear:

1. Insert the NETGEAR Model RT338 Resources CD.

2. From the Windows taskbar, open Start > Run.

3. Click on Browse.

4. Find and select the Setup.exe program on the CD.

5. Click on OK.

6. Follow the setup instructions to install the program.

7. Double-click on the FirstGear icon that should now be visible on your

desktop.

Make sure the router is connected and has been on for at least one minute

before launching FirstGear. If the password has been changed from the

default of “1234,” enter a new password.

8. Enter your ISDN information.

Be sure to enter your directory numbers in the local format. Do not enter the

area code unless it is required for local dialing.

9. Click on Next.

Configuring the Router

Model RT338 ISDN Router Installation Guide

10. Wait for the ISDN test to complete.

If the ISDN test fails, recheck your ISDN setup information and the physical

connection. Refer to “Troubleshooting Information” below.

11. Enter your ISP account information.

Enter the phone number for the ISP, as you would dial it from your location.

12. Click on Connect.

13. Wait for the ISP test to complete.

If the ISP test fails, recheck your ISP account information. For help, refer to

the troubleshooting section in this document.

14. Basic configuration is nowcomplete. Either exit the program or click on

Advanced Setup.

Features for the Advanced Setup are described in the Model RT338 ISDN

Router Installation Guide.

For information about the data to be entered in each FirstGear screen, click on

Help. If the ISDN or ISP test fails, refer to the troubleshooting section of this

document and to the troubleshooting section in the Model RT338 ISDN Router

Installation Guide.

The Model RT338 router is now configured to provide Internet access for your

LAN. For additional applications information, refer to the Applications folder

on the Model RT338 Resources CD and on the NETGEAR Web site at:

www.NETGEARinc.com.

When the router is configured correctly, it will place a call to the ISP

automatically whenever a configured PC tries to access the Internet. The router

disconnects from the ISP when the connection has been idle for a period of time.

Therefore, the Dial-Up Networking, login, and disconnect processes are

performed by the router.

To access the Internet, launch a browser application (that is, Microsoft® Internet

Explorer or Netscape Navigator). The B1 LED on the router illuminates,

indicating that a call is being placed. Next, the LAN activity LEDs (TD and RD)

blink, indicating communication between your router and your ISP. The browser

then displays its opening page. This process may take up to a minute.

After about five minutes of inactivity, the router disconnects the call.

Verifying the Installation

Model RT338 ISDN Router Installation Guide

FirstGear cannot find your router:

• Check the Ethernet connection between your PC and router. The Link LED

on your Ethernet card and the corresponding port LED on the router should

be lit.

• Power cycle the router. Wait 1 minute before starting FirstGear.

ISDN connection test fails:

• Check that you entered the directory numbers in a correct format. Do not

enter the area code unless it is required.

• Recheck your directory numbers, SPIDs, and switch type (North America

only).

• For North America: If the switch at your phone company is running the

National ISDN (NI-1) protocol, select “National ISDN” rather than the

switch model (Nortel, AT&T).

ISP connection test fails:

• Check that you entered the phone number in the correct format. Do not enter

the area code unless required.

Router does not place a call when you launch your browser:

• Make sure your PC has the router configured as its default gateway. Verify

the gateway as described in the section “Verifying TCP/IP Properties” in

this document.

• If your PC launches the Dial-Up Networking program, change the Internet

connection parameters:

a. Access the Internet Control Panel.

b. Select the Connection tab.

c. Depending on the Dial-Up Networking program, either:

• Uncheck the check box labeled “Connect to the Internet as needed.”

• Uncheck the check box labeled “Connect to the Internet using a local area

network.”

Note: In some areas of North America only, you must dial an ISDN

data call using 1+ (area code) or you will receive a 56K connection

instead of a 64K connection.

Troubleshooting Information

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