3Com 3C892 manual For Windows 98 and 95 Users, For Windows NT 4.0 Users

Before You Begin 45

Setting Up Your If your computer has a static IP address, you must verify and possibly change some Computer If You Have a settings on your computer before you begin the configuration procedure. The

Static IP Address ISDN LAN Modem must be your gateway and one of your DNS servers. Follow the procedure in the appropriate section to make sure that this is the case. Note that if your computer has a dynamic IP address, this configuration would occur automatically and you can go on to “Configuring the ISDN LAN Modem for the Typical Configuration.”

These instructions assume that the LAN Modem configuration is set the factory default. If you are moving the LAN Modem from a different LAN, reset the LAN Modem before you begin. To do so, connect a telephone to one the LAN Modem phone ports and then enter **3266# from the keypad.

For Windows 98 and 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 box.

If nothing is entered in the Installed Gateway list, enter an IP address that does not belong to any workstation on your LAN, but is in the subnet that you have chosen for your LAN. Write this IP address down for later use.

4Click 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.

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 the DNS tab.

7Click Add.

8In the TCP/IP DNS Server box, enter the gateway IP address you wrote down previously and then click Add.

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

10Click OK to close the Network Control Panel box.