Multi-Tech Systems RAS96 User Manual download pdf (Page 48)

RAS96 RASCard User Guide

CommPlete Communications Server40

Introduction

The E1 Daughter Card mounts on the RAS96 RASCard to provide an E1 interface for

up to two MT5634HD16 sixteen-modem cards. This chapter documents the operating

characteristics of the E1 card.

Figure 4. E1 Daughter Card.

Specifications

The E1 Daughter Card was designed to meet the following specifications:

• Frames to CRC4 or FAS Q.400 formats

• 5V supply; low power CMOS

• Flash-upgradeable 128Kx8 FEPROM

• AMI or HDB3 line coding

E1 Overview

This section provides introductory E1 information, including a short glossary of terms

and acronyms, and general information on E1 voice and data transmission concepts,

and E1 frame format, line coding, and signaling. If you are familiar with E1

installations, you may want to skip to the section on E1 Daughter Card configuration

and control (page 47). If you are somewhat familiar with E1 in general, you may want

to briefly review this section before proceeding to configuration and control. If you are

unfamiliar with E1, you can use this section by itself or with an off-the-shelf E1

networking book, video tutorial, or off-site training class.

RJ-48 E1 Line Jack (J1)

32-Pin Header (J3)

32-Pin Header (J4)

E1 Line Monitoring

Bantam Jack (J2)

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Multi-Tech Systems RAS96 User Manual Page 48