IBM 3708 Service manual

End-User Reference

I~i~~3708

Network

Conversion Unit

GA27-3765-01

Second Edition (February 1988)

This edition obsoletes GA27-3765-0.

Changes are made periodically

the information herein; before using this pUblication in connection with the

operation

ofIBM

systems

equipment, consult the latest

IBM

System/370,

30XX

and 4300 Processors

Bibliography, GC20-0001; System/38 Bibliography, GH30-0233; and8100 Bibliography, GC20-8100, for the

editions

that

are applicable and current.

Any reference to

IBM

licensed program in this document is

not

intended to state

imply

that

only IBM's

licensed product may be used. Any functionally equivalent program may be used instead.

is possible

that

this material may contain reference to,

information about,

IBM

products (machines

and

programs),

programming,

services

that

are

not

announced

your country. Such references

information must

not

be construed to mean

that

IBM intends to announce such IBM products, programming,

services in your

country.

Publications are

not

stocked

the address given below; requests for

IBM

publications should be made to

your

IBM

representative

to the

IBM

branch office serving your locality.

A form for reader's comments is provided

the back

this publication.

the form has been removed,

comments may be addressed to IBM Corporation, Communication Products Information Development,

Department B02,

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You

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©Copyright

1986,1988

iii

Federal Communications Commission (FCC) Statement

Warning: This equipment generates, uses, and can radiate radio frequency energy and

not installed and

used in accordance with the instruction manual, may cause interference to radio communications.

has been

tested and found to comply with the limits for a Class A computing device pursuant to Subpart J

Part

FCC rules, which are designed to provide reasonable protection against such interference when operated in

a commercial environment. Operation

this equipment in a residential area is likely to cause interference in

which case the user

his own expense

will

be required to take whatever measures may be required to correct

the interference.

Instructions to User:

many instances, shielded cables and connectors must be used for connection to

peripherals. Proper IBM cables are available from authorized dealers. The manufacturer is

not

responsible

for any radio

television interference caused by using other than the recommended cables or by

unauthorized modifications to this equipment;

is the responsibility

the user to correct such interference.

necessary, the user should consult the dealer

experienced radio/television technician for additional

suggestions. The user may find the following booklet prepared by the Federal Communications Commission

helpful:

How

Identify and Resolve Radio-TV Interference Problems

This booklet is available from the following:

FOB Public Contact Branch

Room

725

1919

M St.

Washington,

20554

Tele. (202) 634-1940

Consumer Assistance and

Small Business Division

Room 254

1919

M St.

Washington,

20554

Tele. (202) 632-7000

This!

manual contains several trademarks and registered trademarks. Viewpoint is a registered trademark

Applied Digital

Data

Systems, Inc. Beehive is a trademark

Beehive International. Dasher is a registered

trademark

the

Data

General Corporation. DEC is a registered trademark

the Digital Equipment

Corporation. ESPRIT I and ESPRIT II are trademarks

Esprit Systems, Inc. FALCO

500

is a registered

trademark

Falco

Data

Products, Inc. Dumb Terminal is a registered trademark

Lear Siegler, Inc.

Displayphone

a trademark

Northern Telecom, Inc. TeleVideo is a registered trademark

TeleVideo

Systems, Inc. WY-50 is a registered trademark

Wyse Technology.

iv IBM

3708

End-User Reference

About This Book

This

book

is a reference for users

terminals attached to

IBM 3708 Network

Conversion Unit. Footnotes in Chapters 1 through 4 are provided for the system

administrator

system engineer who is responsible for the 3708. The footnotes

may

not

interest to terminal operators and other end users.

How This Book Is Organized

This book contains four chapters

and

three appendixes:

Chapter

"Logging on to the 3708" gives instructions for logging

to the 3708

and

lists any error messages

that

may be displayed.

Chapter

"Operating in Full-Screen Mode" describes how to operate in protocol

conversion mode (full-screen mode).

Chapter

"Operating in Line-by-Line and ASCII Pass-through Modes" describes

how to operate in protocol enveloping (line-by-line)

and

ASCII pass-through modes.

Chapter 4, "Common Problems

and

What

Do"

describes how to solve common

problems you may have during logging on or operating in protocol conversion

protocol enveloping modes.

4Ppendix A, "Flowchart

3708 Logon Process" contains a flow diagram

the

logon process.

Appendix

"Setting up Your Terminal" contains the recommended switch settings

for the supported terminals.

Appendix C, "Terminal Keyboard Maps" contains keyboard maps for the terminals

supported

the 3708.

This

book

also contains a glossary

and

index.

Related 3708 Library Information

The following list describes books

and

information for the 3708:

•

IBM

3708 Network Conversion Unit Planning and Installation, GA27-3766,

describes how you can plan for and install the 3708.

•

IBM

3708 Network Conversion Unit

Setup,

GA27-361

is shipped with the 3708

and describes how to set up

and

test the 3708, how to handle setup problems,

and

how to prepare the 3708 for relocation.

•

IBM

3708 Network Conversion Unit Description, GA27-3768, describes the

external interfaces and operational characteristics

the 3708.

•

IBM

3708 Network Conversion Unit Problem Determination, GA27-3767,

provides procedures for solving problems with the 3708.

• Unpacking instructions are printed

the 3708 shipping carton

and

show how

to unpack the 3708.

About

This Book V

•

IBM

3708 Network Conversion Unit Problem Report, GA27-3638, which is

shipped with the 3708, provides a means

recording problem diagnosis

information, which is used by repair center representatives.

•

IBM

3708 Network Conversion Unit Registration Address Form, GX27-3734,

shipped with the 3708. This card must

completed and returned to IBM for

you to automatically receive notification

changes in the

3708

microcode.

• IBM

3708

reference cards describe the keyboard functions

ASCII displays

that can

connected to a

3708

and describe the general procedures for terminal

users.

See

Appendix C, "Terminal Keyboard Maps" for a list

the end-user

devices and the reference card order numbers.

IBM 3708 End-User Reference

Changes Since the Last Edition

This edition contains the following new information:

• Instructions for logging on to the

3708

using the short logon screens

• Descriptions

two new non-3270 functions. The following features are

available by entering key sequences:

-Terminal logon initialization sequence (TLIS) refresh

-2/4 color toggle

• Switch settings and keyboard maps for the following terminals

FALCO 500®

IBM

3151

-IBM 3163/3164 VT100/3708 Emulation Cartridge (Feature 8313)

WY-50®.

Changes Since the Last Edition

vii

viii

IBM 3708 End-User Reference

Contents

Chapter

Logging on to the 3708

1-1

Things to Know Before Logging on

1-1

Full Screen Format and Operation

1-1

Input Area

and

Responses

1-2

Short Screen Format and Operation

1-3

Operation Without Logon Screens

1-3

Other Features

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

1-4

Preventing the Display

Entire Screens

1-4

Disconnecting from the

3708

1-4

Logging

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

1-5

Step

Establishing the Connection

1-5

Step

Entering the Port Password

1-5

Step

Entering the Terminal Type

1-6

Step

Selecting a Host

1-7

SNA Hosts

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

1-7

ASCII Hosts

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

1-7

Step

Logging

to the SNA Host

1-8

Error Messages

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

1-9

Chapter

Operating in Full-Screen Mode

2-1

Understanding the Display Image 2-2

Input Fields 2-2

Numeric Fields

2-3

Protected Fields 2-4

Nondisplay Fields 2-4

Field Attribute Locations 2-4

Using Your Keyboard 2-5

Keyboard Maps

......

2-5

Terminal Controlled Keys 2-5

3270 Functions 2-5

Non-3270 Functions 2-10

Reading the Status Line 2-12

Status Line Format . 2-12

Ready Status

...

2-12

Device Emulation 2-12

Session Indicator

2-13

Session Status

2-13

Insert Status 2-16

Null Blank Status 2-16

Type-Ahead Status 2-16

Printer Status 2-16

NNN

Codes

.....

2-17

Communicating with the Host Control Program

2-18

Using Light Pen Emulation 2-19

Selection Fields

...........

2-19

Attention Fields

...........

2-19

Printing Screen Images (Local Copy) 2-20

........

2-20

Changing the Print

2-20

Printing . . . . . . . . .

2-21

Printer not Working

2-21

Cancelling a Print Request 2-21

Contents ix

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