US Robotics COURIER HST User manual

[]11ilobotic:;

-------

-COURIER

HST™-

----

MODEM

9600

2400

1200

300

BPS, AUTO DIAL, AUTO ANSWER

MODEM

M610

-01

-00

WITH USR

HSr

MERROR CONTROL

USER'S

MANUAL

USRobotics, Inc.

8100 North McCormick Blvd.

Skokie.

60076

1986.

All

Rights

rved

Courier

HST

a trademark

USRobotics. Inc.

Touch-Tone

and

gital Data Service

(DDS)

are trademarks

American Telephone and Telegraph. MCI Mail is a service

mark

MCI

Communications.

Incorporated. Microcom Networking Protocol

(MNP)

a trademark

-"'1icrocom. Inc. Sprint

a trademark

General Telephone and

Electric.

Limited

Warranty

FCC

Registration

Connecting

to the

Telephone

Company

Radio

and

Television

Interference

For

Canadian

Modem

Users

How

to Use this Manual

COURIER HST

TABLE

OF CONTENTS

Vil

Vlll

VIII

PART

INSTALLATION

AND

OPERATION

CHAPTER

I-Introduction

USR-HST

Trellis

Coded

Modulation

Asymmetric

Modulation

Enhanced

Error Control

Shorter

Response

Time

The

Courier

Product

Family

Courier

HST

Compatibility

CHAPTER

2-Set-Up

and

Testing

Package

Components

Operational

Requirements

Assembling

the

Modem

Testing

Analog

Loopback Self-Test

Additional Test Procedures

CHAPTER

3-0perations

at a

Glance

Data

Format

Error

Control

Dialing

HST-Compatible,

9600

bps

MNP-Compatible,

2400

1200 bps

Non-MNP

Compatible,

2400,

1200,

300

bps

Flow Control

Maximum

Throughput

High-Speed

Channel

Turnaround

Link Negotiation

Data

Rate Defaults

Nonvolatile

Memory

(NRAM)

Phone

Number

Storage

Dialing Stored

Numbers

1-1

1-3

2-1

2-2

2-5

2-6

2-7

3-1

3-2

3-3

iii

COURIER HST

Busy Answer

Inactivity

Timer

CHAPTER

4-Interface

Controls

Terminology

Error Control

ARQ

Retry

Timer

Error Control Modes (&Mn)

With Auto Answer

Flow Control

Commands

Transmit Data Flow Control (&Hn)

Received Data Flow Control

Software Control (&In)

Hardware Control (&Rn)

Data Rate

Commands

Optional Fixed Rates

Terminal Rate Select (&Bn)

Link Rate Select (&Nn)

Rate-Select Guidelines

DSR Override (&Sn)

CHAPTER

5-Internal

Controls

Setting/Using Defaults

Writing Defaults to

NRAM

(&W)

Loading the Factory Defaults (&F)

Resetting to

NRAM

Defaults (Z)

Storing Telephone Numbers

(&Zn=

Result Codes

Response Modes (Vn)

Result Code Sets

(Xn)

Result Codes Options Table

Options

Summary

Quiet Mode (Qn)

/ARQ

Result Codes (&An)

Local Echo

Command

Mode Local Echo (En)

Online Local Echo (Fn)

The Audio Monitor

Speaker Control (Mn)

Modem

Clock Usage (Kn)

Transmitter Enable/Disable (Cn)

Break Handling (&Yn)

The S-Registers

3-4

4-1

4-2

4-3

4-4

4-5

4-6

4-7

5-1

5-2

5-3

5-4

5-5

5-6

5-7

5-8

CHAPTER

6---Dialing and Answering

Basic Requirements

Transmission Rate

Error Control

Automatic Retrain

Placing Calls

Dial (D)

Dialing Type (T.

Adaptive Dialing

Pause (,)

Dial and Return to

Command

Mode (;)

Dialing Letters

(")

Transferring Calls (')

Wait for a Second Dial Tone (W)

Wait for an Answer

((

Reversing Originate/Answer Frequencies

Canceling Dialing

Redialing

Reexecute the Last

Command

(A/)

Automated Redialing

Continuous Repeat (> )

Continuous Reexecute (A> )

Exiting Repeat Mode

Dialing a Stored Number (DSn)

Pulse Dial Make/Break Ratio (&Pn)

Escape Code Operations ( + + +)

ARQ

Mode Response

Normal Mode Responses

Returning Online

(0)

Hanging UP (Hn)

Automatic Answering

Suppressing Auto Answer

Points to Remember

U.S./CCITT

Answer Tone (Bn)

CHAPTER

7-Queries

and Help Screens

User

Inquiries (In)

S-Register Query (Sr?)

Sl7

S20

COURIER HST

6-1

6-2

6-3

6-4

6-5

6-6

6-7

6-8

6-9

6-10

6-11

7-1

7-3

COURIER HST

Phone Number Query

(&Z11

Help Screens

Basic Command Set

($)

Extended Command Set

(&$)

S-Rcgister Functions (

S$)

Dialing

(0$)

PART

II.

REFERENCE

APPENDIX

A-Error

/Flow Control Concepts

Overview

Throughput

MNP

Service Classes

Error Detection/Retransmission

Flow Control

Example

I-Transmit

Data

Example

2-Received

Data

APPENDIX

B-Summaries

and Tables

The RS-232C Interface, with Pin Definitions

Front End Indicators

DIP

Switch Summary

Default Settings

S-Register Summary

ASCII Chart

APPENDIX

C-Alphabetic

al Command Summary

APPENDIX

0-Problems

and Solutions

You Still Have Problems

APPENDIX

E-Additional

Operational Information

Using Both Voice and Data Communications

High Speed/Low Speed Protocol

Retrain Sequence

PBX,

Dedicated Line, and Leased Line Operations

Hewlett Packard Installations

APPENDIX

F-Technical

Specifications

GLOSSARY

INDEX

7-4

7-5

7-6

A-1

A-2

A-3

A-4

B-1

B-2. I

B-3. I

8-4.

B-5. I

B-6. I

C-1

D-1

0-3

E-1

E-2. I

E-3. l

E-4. 1

E-5. I

F-1

G-1

LIMITED

WARRANTY

COURIER HST

U.S. Robotics. Inc.. warrants to the original

consumer

other

end user purchaser that this product

free from

defects

materials

workmanship

for a period

two

years from the date

purchase. During the warranty period.

and upon

proof

purchase, the product will be repaired

replaced (with the same

similar model) at

our

option.

without charge for either parts

labor. This warranty shall

not apply

the product

modified, tampered with. mis-

used.

subjected to abnormal working conditions.

REPAIR

REPLACEMENT

PROVIDED UNDER

THIS

WARRANTY

THE

EXCLUSIVE REMEDY

THE

PURCHASER.

THIS

WARRANTY

LIEU

ALL

OTHER

WARRANTIES. EXPRESS

IM-

PLIED,

INCLUDING ANY

IMPLIED

WARRANTY

OF MERCHANTABILITY

FITNESS

FOR

PAR-

TICULAR

USE

PURPOSE.

AND

U.S.

ROBOTICS

SHALL

EVENT

LIABLE

PURCHASER

FOR

INDIRECT

CONSEQUENTIAL DAMAGES

ANY

KIND

CHARACTER.

Some states do not allow the exclusion

limitation

inci-

dental

consequential

damages

allow limitations on how

long an implied warranty lasts, so the above limitations

exclusion may not apply to you. This warranty gives you

specific legal rights, and you may also have

other

rights

which vary from state to state.

obtain service under this warranty. contact the U.S.

Robotics Technical Support Department at

800

/982-5151

(in Illinois, 312/

982-5151),

by mail at 8100 North

McCormick

Blvd.,

Skokie, Illinois. 60076. You will be

given a Return Materials Authorization

(RMA)

number

help us keep track

your warranty request.

Once

you have

received your

RMA

number,

take

mail the product, post-

age prepaid, to U.S. Robotics at the above address. Include

proof

the date

purchase. IMPORTANT: If you ship

your unit, pack it securely, be sure your

RMA

number

visible on the outside

the

package,

and ship it charges

prepaid and insured.

Should you

encounter

problems in operating this device.

follow the instructions in Appendix D in Part lI

this man-

ual.

The

Appendix contains solutions to operating problems

as well as procedures to follow

there

an apparent

modem

malfunction.

vii

COURIER HST

FCC

REGISTRATION

viii

CONNECTING

TO THE

TELEPHONE

COMPANY

FCC68: CJE794-l l

323-DM

-E

RINGER

EQUIVALENCE:

048

FCCl5:

CJE

794FAST

not necessary to notify the telephone

comp

any before

stalling the

modem

Howev

er. the telephone

mpany may

request the telephone number(s) to which the Courier

con-

nected and the FCC information printed above.

If the telephone co

any has any ques

ons

raises prob-

lems, ask them to

the T

hnical

Supp

Department.

USRobotics. Inc.. 800/982-5151 (in Illinois. 312/982-5151).

If the modem

malfunctioning.

may affect the telephone

lines. In this

case.

dis

connect

the modem until the source

the difficulty

traced. Do not use the mo

dem

on party

telephone lines.

RADIO

AND

TELEVISION

INTERFERENCE

COURIER HST

This equipment generates and uses radio frequency energy

and if not installed and used properly.

strict accordance

with the

manufacturer's

instructions, may cause interference

to radio and television reception. The Courier

HST

has been

tested and found to comply with the limits for a Class B

computing device

accordance with the specifications

Subpart J

Part

FCC

rules. which are designed to

provide reasonable protection against such interference in

a residential installation.

However, there

no guarantee that interference will not

occur

a particular installation.

this device does cause

interference to radio

television reception, which you can

determine by monitoring reception when the modem

and off, try to correct the problem with one

the

following measures.

Reorient the receiving antenna.

Relocate the

computer

with respect to the receiver.

Relocate the

computer

and/or the receiver so that they are

on separate branch circuits.

If necessary, consult your dealer

an experienced radio/

television technician for additional suggestions. You may

find the following booklet, prepared by the Federal

Commu-

nications

Commission,

helpful:

How to Identify and Resolve Radio-TV Interference

Problems

Stock No.

004-000-0345-4

U.S.

Government

Printing Office

Washington,

20402

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