3Com OfficeConnect ® ® Dual 56K LAN Modem Getting Started Guide MODEL NO. 3C888 Par t No. 1.024.2153 Published May THREE-STEP SETUP Congratulations on choosing the 3Com OfficeConnect Dual 56K LAN Modem! For the most common network application — creating a local area network (LAN) with shared access to the Internet, the Dual 56K LAN Modem setup is a simple, three-step process: 1. Install... 2 RE SE ONE 1 PH NE 1 LI ONE 2 PH 3. Configure... 2 4 1 3 LINE 2. Optimize...
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STEP 1. INSTALLING THE LAN MODEM (CONT’D) 4 (Optional) Connect up to two other analog devices, using ports PHONE 1 and PHONE 2. 2 Connect the power supply to the unit. 3 ON E1 LIN E2 PH ON E2 4 1 5 LIN PH E1 LA N T SE RE N LA 3 6 Plug the other end into a wall outlet.* Watch for the LEDs on the front of the unit to flash. The Power LED remains lit. T SE RE DC 8 V AX 10-18A M 0¥ * Use of a surge-protector strip is recommended 7 Turn on your computer.
STEP 3. CONFIGURING FOR INTERNET ACCESS 4 Before You Start the Configuration, have the following information ready: ■ ■ ■ ■ ■ Your analog telephone number or numbers ISP telephone number ISP account user ID ISP account password (including ISP DNS server address if required) (Optional) Call Waiting Disable Command (your telephone company can provide this value) To Configure for Internet Access: 1 Launch the Web browser on the computer that you connected to the LAN Modem. A welcome message appears.
CONNECTING MORE THAN FOUR USERS After you have finished configuring your Dual 56K LAN Modem, you can connect an additional Ethernet hub or hubs to the Dual 56K LAN Modem to add up to 25 users. An example of a ten-user connection is shown. To connect an additional hub: 1 OfficeConnect Ethernet Hub 8 Insert one end of a 10BASE-T Ethernet cable (not included) into any available port on the back of the Dual 56K LAN Modem.
TROUBLESHOOTING The table below lists symptoms of common problems, possible causes, and possible solutions. For additional troubleshooting information, refer to the User Guide located on the 3Com Companion Programs CD-ROM. For FAQs and other technical notes, refer to the LAN Modem web site at: http://www.3com.com/support/docs/lanmodem/ Symptom Possible Cause Web browser does not start (the welcome message does not appear).
