Farallon Communications 412, 612 manual GL-2 Netopia Isdn Modem User’s Guide

GL-2 Netopia ISDN Modem User’s Guide

CPE: Customer Premise Equipment. This is the ISDN equipment provided by the customer to connect to an ISDN line. The Netopia ISDN Modem is considered Customer Premise Equipment.

D channel: Delta channel. A 16 Kbps or 64 Kbps ISDN interface which carries signaling messages to control the B channels. It can also carry data in the form of X.25.

DEMARC: Demarcation Point. This is the point on the customer premises where the line from the telephone company meets the customer’s wiring. From this point, the customer is responsible for the remaining in-house wiring.

DMS-100:This is a digital switch used by many telephone companies and designed by Northern Telecom. This switch provides voice, data, and ISDN services and is capable of running either Custom or National ISDN (NI-1) software.

DN: Directory Number. This is the ISDN telephone number and is required to call another ISDN site or Internet Service Provider.

DNS: Domain Name Server. This is a computer that resolves Internet names (timbuktu.farallon.com) to IP Addresses (163.176.4.43) to communicate over the Internet.

Dynamic Bandwidth Allocation: A feature that allows you to place a voice call from a device that is attached to one of the analog device ports while a Multilink PPP call is active. When you initiate the phone conversation, the modem disconnects one of the B channels and uses it for the voice call.

IP: Internet Protocol. See TCP/IP.

ISDN: Integrated Services Digital Network. This is a high-speed digital line providing a fast and reliable connection to the Internet through the Netopia ISDN Modem.

ISP: Internet Service Provider. This is a company that provides ISDN access, directory numbers, and TCP/IP addresses for connecting the Netopia ISDN Modem to the Internet.