Start Here 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.
Rear Panel Refer to this diagram to identify all the ports on the router when you attempt to make any connections. Rear Panel of the Model RT338 Router AC adapter outlet ISDN port POWER ISDN LAN MANAGER 12VDC LAN port PHONE 1 PHONE 2 RS-232 Manager port Power switch Phone ports 9535FA Installing the Hardware Refer to the following illustration and steps when connecting the router.
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.
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. 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).
Configuring the PCs 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. b. c. d. e. Click on Add.
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.
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.
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.
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