ADTRAN 1204006L1 Bedienungsanleitung PDF herunterladen (Seite 19)

61200.175L1-1 FSU 5622 ESP User Manual 3

Chapter 1. Introduction

The major features of the FSU 5622 ESP are as follows:

• Dual voice port support; options include Dual FXS, Dual FXO,

and Dual E&M

• Two independent DTE data ports

• Integral 56/64 DDS DSU/CSU

• SNMP/TELNET management

• RFC 1490 encapsulation for IP & LLC2

• SDLC local port spoofing

• Automatic or manual dial backup for DDS operation

• Dial backup available with ESP DBU cards; options include 4-

wire Switched 56, V.34, and ISDN

• Time of day and weekend dial backup lockout options

• Frame relay management using ANSI, ITU, or LMI formats

• Easy to use VT 100 interface for configuration

• Standard 5 year warranty

The ESP 4-wire SW56 DBU card is compatible with AT&T

Accunet and Sprint SW56 type services. The V.34 DBU card

allows switched backup over the public switched telephone

network (PSTN). The ESP ISDN 1B+D card supports a U-

interface to the Basic Rate ISDN and is compatible with National

ISDN and AT&T DMS.

DDS OPERATION

DDS is a nationwide service that allows interconnection and

transportation of data at speeds up to 64 kbps. The local ex-

change carriers provide the local loop service to DDS customers

and may provide data for routing Inter-LATA to an

interexchange carrier. The integrated 56/64 DDS DSU supports

the 56/64 kbps DDS service rate.

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ADTRAN 1204006L1 Bedienungsanleitung Seite 19