Telenetics Flash Poll DSP 9612 Manuale utente

DSP 9612 Flash Poll Modem

User’s Guide

0049−0117−000 Rev. B

Page iii

Contents

CHAPTER 1 INTRODUCTION

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FEATURES

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APPLICATIONS

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

CHAPTER 2 INSTALLATION

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

UNPACKING YOUR HARDWARE

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

ADDITIONAL ITEMS YOU NEED

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

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

HARDWARE OVERVIEW

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

.........

Back View

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

Front View

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

INSTALLATION SUMMARY

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FINDING A SUITABLE LOCATION

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

CONFIGURING THE MODEM

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...

High-Speed (Fast Poll) Mode

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

Low-Speed (FSK) Mode

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....

CONNECTING TO A TRANSMISSION LINE

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

CONNECTING TO A VOLTAGE SOURCE

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

CONNECTING AN RS-232 DEVICE

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

LEDS

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.....

LOOPBACK CONTROL SWITCH

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

APPENDIX A TROUBLESHOOTING

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

PROBLEM SOLVING

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

APPENDIX B SPECIFICATIONS

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

GENERAL SPECIFICATIONS

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....

MECHANICAL SPECIFICATIONS

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INTERFACE CONNECTOR PIN ASSIGNMENTS

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..........

RS-232 (RTU) Interface

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....

ENVIRONMENTAL SPECIFICATIONS

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

COMPLIANCES

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

APPENDIX C COMPLIANCES

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

APPENDIX D LIMITED PRODUCT WARRANTY

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APPENDIX E RMA PROCEDURE

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

Contents

Page iv

NOTES

Page 5

Chapter 1

Introduction

ongratulations for purchasing the finest industrial-grade fast-

poll modem available.

The Telenetics DSP9612 (Flash Poll) modem is a 9600/4800/0-

1800 bps 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.

The modem is also backward compatible with Bell 202 modems.

The DSP9612 modem is ideally suited for multi-point communication

systems that require fast response time, short training time, and low

throughput delay. The DSP9612 is the most technologically advanced

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 configure and install your modem. It also contains

troubleshooting information in the unlikely event you encounter a

problem with your modem.

Introduction

Page 6

Features

The DSP9612 modem is specifically designed for harsh environments

found in utility substations and industrial facilities. Though

functionally similar to commercial modems, the DSP9612 provides the

following unique features that make it well suited for utility and

industrial applications.

cPackaged in a rugged, compact enclosure for industrial

applications.

cLeased-line interface protected with heavy-duty surge protection

hardware (15KV).

cRequires no 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.

cOperate over voice-band conditioned or unconditioned leased line

and pilot wires.

cAccepts power from a wide range of AC and DC power supplies.

cStandard industrial connectors for data, analog, and power

interfaces allow reliable interconnection to other industrial

equipment.

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

bps.

cEasily accessible DIP switches for user configuration and option

selection.

cDB25 connector for RS-232/V.24 interface.

cLocal analog, local digital, and remote digital loopback

diagnostics.

Applications

Page 7

Applications

The DSP9612 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

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 DSP9612FP modem

cA leased-line cable

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:

cTwo- or four-wire transmission line or leased line

cA power supply that provides either:

−85 to 265 Volts AC, 50 to 60 Hz, single phase (AC

version), or

−10 to 53 Volts DC (DC version)

Installation

Page 10

Hardware Overview

Back View

Figure 2-1 shows the back view of the DSP9612FP modem. Starting

from the left side, this view shows:

cA 4-wire/2-wire configuration block. See page 23.

cA female, 25-pin RS-232 connector, for connecting a standard

DTE (RTU). See page 26.

cA POWER ON/OFF switch.

cA power connector. See page 25.

Figure 2-1. Back View of Modem

Power Source

Power Switch

DTE Connection

Leased Line

Hardware Overview

Page 11

Front View

Figure 2-2 shows the front view of the modem. Starting from the left

side, this view shows:

cA set of nine LEDs. See page 26.

cA loopback test switch. See page 27.

Figure 2-2. Front View of Modem

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