3Com 3C892 - OfficeConnect ISDN Lan Modem Router Gebrauchsanweisung

ETTING

THE

ISDN LAN M

ODEM

A S

TATIC

ETWORK

This note describes how to conﬁgure the ISDN LAN modem on a static

network. If you have not determined whether your network is static, refer to

the

Getting Started Guide.

Installing the ISDN

LAN Modem

If you have not already installed the ISDN LAN modem, refer to the diagram

while following the steps.

Before you begin, power down the computer you will connect to your ISDN

LAN modem.

Insert one end of the Ethernet cable into a 10BASE-T LAN port and then

connect the opposite end of the Ethernet cable to your computer’s Ethernet

port.

Caution:

Only connect one computer to the ISDN LAN modem until after

you have ﬁnished the conﬁguration process. After conﬁguration, you can

connect any additional computers and/or printers which you would like to

add to your LAN. Also, do not connect the ISDN LAN modem to an existing

LAN.

Connect the RJ-45 (8-pin) connector end of the RJ-45/RJ-11cable labeled

ISDN to the port labeled ISDN and then connect the other end to the RJ-11

ISDN wall jack.

If you are connecting analog equipment, connect one end of an RJ-11 cable

(provided with your analog device) into one of the RJ-11 modular jacks

RESET ISDN

1 PHONE 2

10-18 VDC

0• 8A MAX

4 3 LAN 2 1

ETTING

THE

ISDN LAN M

ODEM

A S

TATIC

ETWORK

labeled Phone and then connect the other end of the RJ-11 connector into

the appropriate RJ-11 port on the analog device.

Connect the power cable from the wall power module into the back panel

of the ISDN LAN modem and then plug the other end into a

110 VAC outlet. Use of a surge-protected outlet strip is recommended.

The Power LED illuminates. The indicator LEDs on the front panel ﬂash

momentarily as the unit undergoes a power-up self-test diagnostic. The ISDN

LED ﬂashes.

Turn on your computer which is connected to the ISDN LAN modem.

Once your computer is started, the LAN Status LED will ﬂash and then

illuminate green, indicating that the port to which your computer is

connected is ready for use and that proper communication between your

computer and the ISDN LAN modem has been established.

This completes the installation process. Refer to “Setting Up TCP/IP for

Windows and Macintosh” to continue.

Setting Up TCP/IP for

Windows and

Macintosh

This chapter describes how to setup the Windows and Macintosh operating

system (OS) TCP/IP stack. Your computer must have a TCP/IP stack in order to

use the ISDN LAN modem. If you already have TCP/IP installed and set up on

your computer, then go on to “Conﬁguring the ISDN LAN Modem”. These

instructions vary depending upon which operating system you are using. Refer

to the appropriate section.

■

TCP/IP Setup Using Windows 95

■

TCP/IP Setup Using Windows NT 4.0

■

TCP/IP Setup Using Mac OS 7.6 or later

■

TCP/IP Setup Using Windows 3.11

TCP/IP Setup Using

Windows 95

Windows 95 provides TCP/IP as part of its standard operating system. To set up

TCP/IP for the ISDN LAN modem, do the following.

You may be prompted for your Windows 95 installation disks or CD-ROM.

From the Control Panel, double click

Network

The Network dialog box appears.

Click

Add

The Select Network Component Type dialog box appears.

Figure 1

Select Network Component Type Dialog Box

Setting Up TCP/IP for Windows and Macintosh

Select

Protocol

and then click

Add

The Select Network Protocol dialog box appears.

Figure 2

Select Network Protocol Dialog Box

From the Manufacturers list box, select

Microsoft

, and then from the Network

Protocols list box, select

TCP/IP

Click

From the Network Conﬁguration list box, select

TCP/IP

and then click

Properties

Figure 3

Network Dialog Box

Select

IP Address

The IP Address dialog box appears.

For static IP addresses,

Specify an IP Address

should be selected and an IP

address and subnet mask for your computer should be entered. (You can obtain

this information from your system administrator or ISP.)

Select

Advanced

and then check the box to set TCP/IP as the default protocol.

ETTING

THE

ISDN LAN M

ODEM

A S

TATIC

ETWORK

Click

to close the TCP/IP Properties dialog box.

Click

to close the Network dialog box.

Figure 4

Advanced Parameters of TCP/IP Properties

Restart Windows 95 to let these changes take effect.

TCP/IP Setup Using

Windows NT 4.0

Windows NT 4.0 provides TCP/IP as part of its standard operating system. If you

have not already set up TCP/IP, do the following.

You will need your Windows NT 4.0 installation CD-ROM.

From the Control Panel, double click

Network

The Network dialog box appears.

Select the

Protocols

tab, as shown in Figure 5.

Setting Up TCP/IP for Windows and Macintosh

Figure 5

Windows NT Protocols Conﬁguration Window

Click

Add

The Select Network Protocol window appears as shown in Figure 6.

Figure 6

Select Network Protocol Window

Select

TCP/IP Protocol

and then click

The following message appears.

Figure 7

DHCP Message Box

Select

ETTING

THE

ISDN LAN M

ODEM

A S

TATIC

ETWORK

You are then prompted to insert your installation CD-ROM. Insert the Windows

NT 4.0 CD ROM and then click Continue.

If you have Remote Access Service (RAS) installed on your PC after the

appropriate ﬁles are copied to your PC, a message box asks whether or not you

would like TCP/IP installed for RAS. If you select Yes, you must select the device

you want to access remotely and then click Close.

7After the appropriate ﬁles are copied to your PC, you will see TCP/IP Protocol

listed in the Network Protocols group box, as shown in Figure 8.

Figure 8 Network Protocols Window

8Click Close.

The Microsoft TCP/IP Properties window appears.

9From the Adapter drop down list box, select the Ethernet card that is connected

to the ISDN LAN modem.

10 For static IP addresses, Specify an IP Address should be selected and an IP

address and subnet mask for your computer should be entered. (You can obtain

this information from your system administrator or ISP.)

11 Click OK.

12 Click Yes to restart your PC and allow the changes to take effect.

TCP/IP Setup Using

Windows 3.11 If you are using Windows 3.11, a TCP/IP stack is not provided as part of the

operating system. If you do not have a TCP/IP stack, you can use MS _TCP

which is provided on the 3Com Companion Programs CD-ROM.

Setting up TCP/IP Using MS TCP

To set up MS_TCP, do the following.

1Install MS_TCP, located on the 3Com Companion Programs CD-ROM, onto your

hard drive.

Setting Up TCP/IP for Windows and Macintosh 7

2From the Program manager, click Network.

3From the Network group box, click Network Setup.

Figure 9 Network Group Box

4From the Network Setup dialog box, click the Drivers button.

5From the Network Drivers dialog box, click Add Protocol.

6Select Unlisted or Update Protocol and then click OK.

7From the Install Driver dialog box, enter the path to the MS_TCP directory.

For example, if you installed MS TCP on your C: drive in a directory called

MSTCP, you would enter C:\MSTCP.

8Select MS TCP/IP-32.X and then click OK to install.

9After the installation is complete, click Close.

10 Click OK.

11 From the MS TCP/IP Conﬁguration dialog box, check the Auto Conﬁguration

check box and then click OK.

12 Restart your PC to allow the changes to take effect.

8SETTING UPTHE ISDN LAN MODEM ONA STATIC NETWORK

Conﬁguring the ISDN

LAN Modem This section describes how to conﬁgure the ISDN LAN modem for the typical

conﬁguration. The typical conﬁguration provides the basic set up and it includes

what most users need to get up and running. It provides instructions for setting

up your ISDN line and connecting to the Internet for a static network.

Before You Begin Before you conﬁgure the ISDN LAN modem, you should have already done the

following:

■Installed the hardware as described in “Installing the ISDN LAN Modem”.

■Installed and set up TCP/IP up on all computers you intend to connect to the

ISDN LAN modem. If TCP/IP is not installed and set up, refer to “Setting Up

TCP/IP for Windows and Macintosh”.

CAUTION: You should only have one computer physically connected to the

ISDN LAN modem during conﬁguration. Once you complete the conﬁguration

process, connect any other computers you would like to have on the LAN.

■Telephone number(s) for your ISDN line provided by your telephone

company.

■If you want to set up a connection to an ISP, you will also need the

telephone number to call for access to your ISP, as well as your user name,

password and DNS address (if your service provider requires a DNS address to

be conﬁgured).

Setting Up Your

Computer Because your computer has a static IP address, you must verify and possibly

change some settings on your computer before you begin the conﬁguration

procedure. The ISDN LAN modem must be your gateway to get outside of your

LAN and one of your DNS servers. Follow the procedure in the appropriate

section to make sure that this is the case.

For Windows 95 Users

1From the Start menu, select Settings and then Control Panel.

2Double-click Network and then select TCP/IP.

If you have multiple TCP/IP entries, select TCP/IP for the Ethernet card associated

with the ISDN LAN modem.

3Click Properties and then select the Gateway tab and write down the ﬁrst IP

address in the Installed Gateways list.

4Click on the DNS Conﬁguration tab.

5In the DNS Server Search Order edit box, enter the Gateway IP address you

wrote down as part of the previous step and then click Add.

6Click OK to close the TCP/IP Properties box.

7Click OK to close the Network control panel.

You are asked to restart your computer.

8Click OK.

Configuring the ISDN LAN Modem 9

For Windows NT 4.0 Users

1From the Start menu, select Settings and then Control Panel.

2Double-click Network and then select the Protocols tab.

3Highlight TCP/IP and then click Properties,

4Click the IP Address tab and then select the Ethernet card associated with the

ISDN LAN modem from the Adapter drop down list box.

5Write down the IP address in the Installed Gateways box.

6Click on the DNS tab.

7Click Add.

8In the TCP/IP DNS Server box, enter the Gateway IP address you wrote down as

part of the previous step and then click Add.

9Click OK to close the Microsoft TCP/IP Properties dialog box.

10 Click OK to close the Network Control Panel box.

You are asked to restart your computer.

11 Click OK.

For Macintosh Users

1From the Apple menu, open Control Panels. Double-click TCP/IP.

2Choose Ethernet from the Connect Via pop-up menu, if not already chosen.

The Conﬁgure drop-down list box should be set to Manually if you are on a

Static network.

3Note the series of numbers entered in the Router address box. Write this

number down.

4Enter this number into the Name server addr. Box.

If you already have existing address(es) listed, add the new address below the

last entry.

5Choose File and Close.

6When asked to save your changes, do so by choosing Save.

You may want to rename this conﬁguration so that your previous conﬁguration

is not overwritten.

For Windows 3.11 Users

1From the Program Manager, double click the Network program group icon.

2Double click the Network Setup icon.

3Click the Drivers button.

4Highlight the Microsoft TCP/IP - 32.X entry and click Setup.

5Note the Default Gateway address. Write this number down.

6Click the DNS tab.

7Enter the Default Gateway address from the previous step into the Domain

Name Service (DNS) Search Order box and click Add.

8Click OK to close the Microsoft TCP/IP Connectivity Conﬁguration screen.

10 SETTING UPTHE ISDN LAN MODEM ONA STATIC NETWORK

9Click OK to close the Microsoft TCP/IP Conﬁguration screen.

10 Close the Network Drivers window.

11 Click OK to close the Network Setup window.

You will be asked to restart your computer.

12 Click OK to do so.

You are now ready to conﬁgure your ISDN LAN modem. Refer to “Conﬁguring

the ISDN LAN Modem for the Typical Conﬁguration” to continue.

Conﬁguring the ISDN

LAN Modem for the

Typical Conﬁguration

To conﬁgure the ISDN LAN modem for the typical conﬁguration, do the

following. You may need the IP address which you recorded previously in the

“Setting Up Your Computer”section.

1Launch your Web browser.

The ISDN LAN modem attempts to use its default IP address to communicate

with the computer. If communication cannot be established, the ISDN LAN

modem will change its default IP address. If this occurs, the ISDN LAN modem

will reset itself and then function as described in this section.

Regardless of the start page to which your Web browser is set, your Web

browser will go to the ISDN LAN modem conﬁguration set up.

A welcome message appears, as shown in Figure 10.

Figure 10 Initial Set Up Welcome Window

2Click Continue.

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