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Chapter 2: What You Need To Start
Megabit Modem 400F User Manual 9
Phone Service
If you get phone service with your data service, you need the following:
• A POTS splitter, or micro filter may be required; check with your service provider
• RJ-11 phone jacks for phone service
The POTS splitter is a device that separates data transmission from phone service. After
installing the POTS splitter, connect separate jacks for data from your session and for phone
service. Ensure that your service provider indicates which jacks are for data and which jacks are
for phone service.
WHAT YOU NEED FROM YOUR SERVICE PROVIDER
This section lists the information you need to configure system settings and sessions for the
modem. Contact your service provider for this information. Use the worksheets, provided in
Appendix C on page 83, to record your configuration information. When you begin to configure
the modem in Chapter 4 on page 17, the procedures refer you to the proper table for the
configuration information that you recorded.
1 System mode (WAN connection for the sessions between the modem and the service
provider) utilizes Bridge/Router RFC 1483 protocol.
• Configure as a Bridge only, as a Router only, or as a Bridge and Router.
• Choose LLC or VC-MUX encapsulation.
• If Router, choose version of and direction for RIP (RIP1, RIP2, or RIP1 compatible).
• If Bridge, select whether or not to enable Spanning Tree.
2 Session address for Ports 1 through 32 (WAN configuration):
• ATM VPI and ATM VCI (specified for each session)
• IP address specified for each session by the service provider
For more information about the configuration choices listed above, see Chapter 9, “Technical
Reference” on page 61.