RAD Data comm ASMi-31 Chapter Introduction, Overview, General, Power Supply Versions

Chapter 1

Introduction

This chapter describes basic physical and functional features of the ASMi-31 standalone modem, as well as some typical applications. It discusses the following topics:

•

•

•

•

An overview of the modem

Physical description

Functional description

Technical specifications.

	1.1 Overview
General	The ASMi-31 modem is a synchronous/asynchronous short-range modem
	which is managed by a remote master modem. ASMi-31 operates
	synchronously or asynchronously at full duplex over 2-wire twisted pair,
	unconditioned lines. The ASMi-31 modem has a transmission range of 8 km
	(5 miles) over 24 AWG wire and operates at user-selectable data rates from
	1.2 kbps to 128 kbps.
Versions	ASMi-31 is available in several versions:
	• ASMi-31 standalone – the standalone slave unit features a blank panel
	• ASMi-31/R– a plug-in card which may be installed in the ASM-MN-214
	hub.
	• ASMi-31C– a plug-in card which may be installed in the LRS-12 or
	LRS-24 hub (see ASMi-31C Installation and Operation Manual for details).
	Power Supply Versions
	The power supply options are:

•

•

AC power source: 115 VAC or 230 VAC

DC power source: -48 VDC.

Overview 1-1

Order from: Cutter Networks Ph:727-398-5252/Fax:727-397-9610 www.bestdatasource.com