Telenetics DSP9612RM Bedienungsanleitung

DSP9612RM Flash Poll

Rack-Mount Modem

User’s Guide

0049−0519−000 Rev. A

Compliances

This device complies with Part 15A of the FCC Rules. Operation is subject to

the following two conditions: (1) this device may not cause harmful

interference, and (2) this device must accept any interference received,

including interference that may cause undesired operation.

This equipment has been tested and found to comply with the limits for a Class

A digital device, pursuant to Part 15A of the FCC Rules. These limits are

designed to provide reasonable protection against harmful interference in a

residential installation. This equipment generates, uses, and can radiate radio

frequency energy and, if not installed and used in accordance with the

instructions, may cause harmful interference to radio communications.

However, there is no guarantee that interference will not occur in a particular

installation. If this equipment does cause harmful interference to radio or

television reception, which can be determined by turning the equipment off and

on, the user is encouraged to try to correct the interference by one or more of

the following measures:

cReorient or relocate the receiving antenna.

cIncrease the separation between the equipment and the receiver.

cConnect the equipment to an outlet on a circuit other than the one to

which the receiver is connected.

cConsult the dealer or an experienced radio/TV technician for help.

If none of these actions resolves the problem, consult your distributor or an

experienced radio/television technician for additional suggestions.

Additionally, Section 15.838, paragraph d), of the FCC Rules and Regulations

states: “Where special accessories, such as shielded cables, are required in

order to meet FCC regulations, shielded cables must be used with this

equipment. Operation with non-approved equipment or unshielded cables is

likely to result in interference to radio and TV reception. The user is cautioned

that changes and modifications to this equipment without the approval of the

manufacturer could void the user’s authority to operate this equipment.

Page iii

Contents

CHAPTER 1 INTRODUCTION

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.........................

FEATURES

................................

APPLICATIONS

................................

.........................

ANCILLARY DOCUMENTATION

................................

CHAPTER 2 INSTALLATION

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..........................

UNPACKING YOUR HARDWARE

................................

...............................

ADDITIONAL ITEMS YOU NEED

................................

...............................

HARDWARE OVERVIEW

................................

.........

Front View

................................

.........................

Component View

................................

...............

INSTALLATION SUMMARY

................................

.....

CONFIGURING THE MODEM

................................

...

High-Speed (Fast Poll) Mode

................................

...........................

Low-Speed (FSK) Mode

................................

....

INSTALLING THE MODEM IN THE UNIVERSAL DATA SHELF

...................

CONNECTING TO A TRANSMISSION LINE

................................

................

Modular Jack Connectors

................................

Mass Termination Connector

................................

............................

CONNECTING AN RS-232 DEVICE

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..........................

LEDS

................................

.....

LOOPBACK CONTROL SWITCH

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...............................

APPENDIX A, TROUBLESHOOTING

................................

...........

PROBLEM SOLVING

................................

................

APPENDIX B, SPECIFICATIONS

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..................

GENERAL SPECIFICATIONS

................................

....

MECHANICAL SPECIFICATIONS

................................

..............................

BACK-TO-BACK CONNECTIONS TO A SECOND MODEM

.........................

RS-232 (RTU) Interface

................................

....

ENVIRONMENTAL SPECIFICATIONS

................................

........................

COMPLIANCES

................................

........................

APPENDIX C, LIMITED PRODUCT WARRANTY

.....................

APPENDIX D, RMA PROCEDURE

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................

Contents

Page iv

NOTES

Page 5

Chapter 1

Introduction

ongratulations for purchasing the finest industrial-grade fast-

poll rack-mount modem available.

The Telenetics DSP9612RM (Flash Poll) modem is a

9600/4800/0-1800 bps rack-mount modem designed for 4-wire, full-

duplex or 2-wire, half-duplex operation over a voice-band leased line.

The modem is designed utilizing the latest digital-signal processing

(DSP) technology to achieve high performance. The modem employs

Telenetics’proprietary modulation and encoding scheme to achieve fast

modem training time. It is also backward compatible with Bell 202

modems.

The modem can be installed in either a Telenetics or a Motorola/UDS

RM16M Universal Data Shelf. The modem occupies only one rack

slot, eliminating the hassle of equipment trays and power bricks

required for “Plastic Box”modems. The modem is powered from the

Universal Data Shelf.

The DSP9612RM modem is ideally suited for multi-point

communication systems that require fast response time, short training

time, and low throughput delay. The DSP9612RM is the most

technologically advanced rack-mount modem on the market.

This User’s Guide is designed to let you get your modem “up and

running”as quickly as possible. It contains all the information you need

to install and configure your modem. It also contains troubleshooting

information in the unlikely event you encounter a problem with your

modem.

Introduction

Page 6

Features

Though functionally similar to commercial modems, the DSP9612RM

provides the following unique features that make it well suited for

utility and industrial applications.

cRequires only one rack slot in a Telenetics or a Motorola/UDS

RM16M Universal Data Shelf.

cOperates over voice-band conditioned or unconditioned leased line

and pilot wires.

cOperates without human intervention, making it ideal for

unmanned locations.

cWorks within an extended temperature range of -40ºC to +85ºC.

cDesigned with coupling transformers for high-voltage isolation and

common mode noise rejection in industrial and commercial

environments.

cAsynchronous data rates (selectable) of 9600, 4800, and 0-1800

bps.

cEasily accessible DIP switches for user configuration and option

selection.

cLocal analog, local digital, and remote digital loopback

diagnostics.

Applications

Page 7

Applications

The DSP9612RM modem is designed for point-to-point and multipoint

data communications. Figure 1-1 shows a typical multipoint

configuration.

Figure 1-1. Network of Multipoint Configuration

There are a number of factors that can affect the network’s and

modem’s operation and performance. These include:

cOperating speed

c2-wire or 4-wire configuration

cTransmission line characteristics, noise, and line impairments

cNetwork configuration (point-to-point or multipoint)

cNumber of nodes on the network

Ancillary Documentation

For information about the Telenetics RM16M Universal Data Shelf,

refer to the Telenetics RM16M Installation and Operation Manual for

the Universal Data Shelf version you have.

Introduction

Page 8

NOTES

Page 9

Chapter 2

Installation

his chapter describes how to install the modem.

Unpacking Your Hardware

Your package should include:

cAt least one DSP9612RM modem

cThis User’s Guide

If your package contents are damaged or missing, please contact your

place of purchase immediately.

Additional Items You Need

To use your modem, you need the following additional items:

cA Telenetics or Motorola/UDS RM16M Universal Data Shelf

cA two- or four-wire transmission line or leased line

Installation

Page 10

Hardware Overview

Front View

Figure 2-1 shows a front view of the DSP9612RM modem. Starting

from the top, this view shows:

cA loopback test switch. See page 28.

cA set of eight LEDs. See page 27.

Figure 2-1. Front View of Modem

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