
Chapter 1. Introduction
equipment. This DLCI is valid until the call is disconnected and may be assigned a different value each time a call is requested.
PRODUCT OVERVIEW
The FSU provides a low cost solution for the CPE equipment in a private or public frame relay network. The FSU connects to the frame relay network via 56/64k DDS (digital data service) or T1/FT1 access links. Connections to 56/64k DDS are made using an integral 56/64k DSU or an external DSU. T1/FT1 connections are made using an external T1 DSU/CSU through a V.35 interface.
The FSU provides connections to the user equipment through two independent ports emulating a DCE device. These ports can be configured for either
The FSU handles each frame of the user data in a
The major features of the FSU are as follows:
•Two DTE (data terminal equipment) ports for use on a single frame relay network interface.
•Support for IP (internet protocol), SDLC (synchronous data link control), Bisync, SLIP (serial link IP), PPP
•SNMP (simple network management protocol) management capability provided inband with support for RFC 1315 (frame
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