Multi-Tech Systems RAS96 - Manual (Page 48)

RAS96 RASCard User Guide
CommPlete Communications Server 40
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)