Xerox Diablo 1620 User manual

XEROX
82332 Rev. G
Diablo Systems Incorporated
A Xerox Company
HyTerm Communications Terminal
Model 1610/1620
Product Description
December, 1978

© Copyright 1976,1977,1978
Diablo Systems, I nco (A Xerox Company)
Hayward, California
94545
All rights reserved
"Diablo," "HyType," and "Xerox" are registered trademarks of Xerox Corporation.
"HyTerm" is a trademark of Diablo Systems, Inc.

PREFACE
This manual provides the information necessary to operate,
interface, and install the Diablo Model 1610 and Model
1620 HyTerm Communications Terminals.
This revision supercedes all previous revisions, and includes
the information contained in Addendum A1, issued on
8-20-76, Addendum C1, issued on 5-26-77, Addendum D1,
issued on 9-30-77, Addendum F1, issued on 4-15-78, and
Addendum F2, issued on 4-25-78.
Comments on this manual and its use are welcome. Please
use the Reader Comment Form in the back of this manual.
Diablo Systems, Inc., reserves the right to make improve-
ments to products without incurring any obligation to
incorporate such improvements in units previously sold or
delivered. Features and specifications described herein are
subject to change without notice.
HOW TO USE THIS MANUAL
This manual is made up of five sections. Not every reader
will need to read the entire manual. The first section
provides a basic i.-.troduction to the HyTerm, and should be
read by anyone needing more information about the
terminal. Section 2 contains operating instructions, and is
meant primarily for the machine operator. Section 3
provides
more information on the functional characteristics
of the terminal, and is written primarily with the host
computer programmer or network designer in mind.
Section 4 contains detailed interface data, needed by
anyone planning to connect a modem or other device to the
terminal. Section 5 contains installation procedures; it is
designed for the installer and the installation planner. Those
desiring technical information on servicing the terminal
should refer to the Model 1610/1620 Maintenance Manual,
Publication No. 82333.

WARRANTY
The Diablo Model 1610 and Model 1620 HyTerm
Communications Terminals are warranted against defects in
materials and workmanship for 90 days from the date of
shipment. Any questions with respect to the warranty
should be directed to your Diablo sales representative.
All requests for repairs should be directed to the Diablo
repair depot in your area. This will assure you of the fastest
possible service.
ii

TABLE OF CONTENTS
PARAGRAPH
SECTION' - GENERAL DESCRIPTION
1.1 Introduction .
1.2 Main Features.
1.2.1 Printer
1.2.2 Switch Panels
1.2.3 Keyboard.
1.2.4 Commun ications Capability
1.3 Specifications.
1.3.1 Size...
1.3.2 Weight..
1.3.3 Power Requirements
1.3.4 Environ mental Requirements.
1.3.5 Printer.
1.3.6 Interface
1.3.7 Color..
1.4 Functional Features.
1.4.1 Control Codes.
1.4.2 Escape Sequences
1.4.3 Control Panel and Front Panel Switches
1.5 Optional Features
1.6 Accessories. . .
1.7 Related Documents
SECTION 2 - OPERATING INSTRUCTIONS
2.1 Introduction . . .
2.2 Switches, Indicators, and Controls
2.3
2.2.1 Front Panel
2.2.2
2.2.3
2.2.4
2.2.5
2.2.6
Control Pane I. .
Keyboard .
2:2.3.1 Alphameric Section
2.2.3.2 Numeric Section
2.2.3.3 Control Section .
Printer Controls .
Impression Control Switch
Cover-Open Switch
2.2.7 Paper-Out-Switch
Basic
Operating Procedures
2.3.1 Turn-On..
2.3.2 Loading Paper. .
2.3.2.1
Top-Feed Printer.
2.3.2.2 Bottom-Feed Printer
2.3.3 Establishing the Data Communications Link.
2.3.3.1 Originating a Data Link with an Acoustic Coupler
2.3.3.2 Originating a Data Link with a Bell-Type Modem
2.3.3.3 Originate-Only Modems
2.3.3.4 Answering a Data Link Call
iii
PAGE
'·1
1·1
1·1
1·1
'·2
1·2
1·2
1·2
1·2
1·2
1·2
1·2
1·3
1·3
1·3
1·3
1·3
1·4
1·4
1·4
1-5
2·1
2·1
2·1
2·1
2·5
2·5
2·5
2·7
2·7
2·8
2·8
2-9
2·9
2·9
2·9
2·9
2·10
2·11
2·11
2·12
2-12
2·12

SECTION 2 - OPERATING INSTRUCTIONS (Continued)
2.3.4 Error Recovery ....
2.3.5 Keyboard Control of Features. .
2.3.5.1 Margins (ESC
9, ESC 0)
2.3.5.2 Carriage Movement
2.3.5.3 Paper Movement
2.3.5.4 Ribbon Control .
2.4 Operator Duties . . . . . . .
2.4.1 Replacing Ribbon Cartridge
2.4.2 Changing Printwheels
2.4.3 Changing Platens. . . .
2.4.3.1 Platen Removal .
2.4.4
2.4.3.2 Standard Platen (Friction-Feed) Installation
2.4.3.3 Pin-Feed Platen Installation
Forms Tractor
SECTION 3 - FUNCTIONAL DESCRIPTION
3.1 Introduction . .
3.1.1 Local/Remote
..
3.2 Communications Princi pies
3.3 Reset/In itialization . . .
3.4 Character Generation
3.4.1 Two- and Three-Character Sequences
3.5 Printing Format . . . .
3.6
3.5.1
Definition of Terms. . . .
3.5.2 Standard Formats
3.5.3 Optional Formats (Variable Indexing)
3.5.3.1 Variable HMI
3.5.3.2 Variable VMI
Control Functions
3.6.1 Control
of Printing .
3.6.1.1 Red/Black Printing (ESC
A/ESC B) .
3.6.2 3.6.1.2 Upper
Case On Iy. .
Control
of Carriage Movement
3.6.2.1
Space (SP). . .
3.6.2.2 Backspace (8S)
3.6.2.3 Carriage Return (CR)
3.6.2.4 Horizontal Tabbing (HT,
ESC 1, ESC 2, ESC HT)
3.6.2.5 Graphics (ESC 3, ESC 4) . .
3.6.2.6 Forward/Backward Print (ESC 5/ESC
6)
3.6.2.7 Margins (ESC 9, ESC 0) . . . . .
3.6.3 Control
of Platen (Paper) Movement . . . .
3.6.3.1 Line
Feeds (LF, ESC LF, ESC U, ESC D)
3.6.3.2
Form Feed (FF) . . . .
3.6.3.3 Graphics (ESC
3, ESC 4) .
3.6.3.4 Vertical Tabbing (ESC
VT)
3.6.4 Other Control Functions . . . .
iv
2-12
2-13
2-14
2-14
2-14
2-14
2-15
2-15
2-17
2-19
2-20
2-20
2-21
2-21
3-1
3-1
3-1
3-1
3-1
3-1
3-3
3-3
3-3
3-3
3-4
3-4
3-4
3-4
3-4
3-4
3-5
3-5
3-5
3-5
3-5
3-6
3-6
3-7
3-7
3-7
3-7
3-7
3-7
3-8

SECTION 3 - FUNCTIONAL DESCRIPTION (Continued)
3.6.4.1 Sound Audible Alarm (BEL) .
3.6.4.2 Preventing Buffer Overrun (ACK, ETX, NUL, DEL)
3.7 Motion Minimization
SECTION 4 - INTERFACE
4.1 Introduction . .
4.2 Modem Compatibility
4.3 Functional Description.
4.4 Connection to the Modem.
4.5 Signal Levels .
4.6 I nterface Signals
4.7 Data Format .
4.8
Timing . .
4.9 Circuit Elements
4.9.1
Input Level Converter
4.9.2 Output Level Converter
4.10 Current - Loop Interface
SECTION 5 - INSTALLATION
5.1 Introduction .
5.2 Preliminary Inspection
5.3 Unpacking and Inspection.
5.4 System Requirements .
5.4.1 Operating Environment.
5.4.2
5.4.3
Space Requ irements .
Weight . .
5.4.4 Power Requirements
5.5 Installation Procedures.
5.5.1 Initial Start-up and Checkout.
5.5.2 Jumper Installation/Removal.
5.5.2.1 1200 Baud.
5.5.2.2 Ground Disconnect .
5.5.3 EIA Cable Assembly Connection and Remote Checkout.
5.6 Repackaging for Shi pment
Appendix A - ASCII Code Chart
Appendix B - Keyboard Layouts and Code Charts
v
3-8
3-8
3-8
4-1
4-1
4-1
4-3
4-3
4-3
4-4
4-5
4-5
4-5
4-6
4-6
5-1
5·1
5·1
5-1
5-1
5-1
5-1
5-1
5-1
5-3
5-3
5-3
5-5
5-5
5-5
A-1
B-O

LIST OF ILLUSTRATIONS
FIGURE PAGE
1-1
HyTerm Communications Terminal
1-0
2-1 Switches, Indicators, and Controls 2-0
2-2 Front Panel 2-1
2-3
Control Panel .
2-3
2-4
46-Key Typewriter Pairing Keyboard
2-4
2-5
Printer Controls
2-6
2-6
Cover-Open and I mpression Control Switches
2-8
2-6a
Paper-Out Switch Clip
2-9
2-7 Ribbon Clamps
2-15
2-8
Ribbon Advance Knob
2-16
2-9
Ribbon Cartridge Placement
2-16
2-10
Carriage Tilted for Printwheel Access 2-17
2-11 Printwheel Installation
2-18
2-12
Printwheel .
2-18
2-13 Platen Skirt Removal
2-19
2-13a Platen Removal
2-19
2-14
Pin-Feed Platen Installation
2-20
2-15 Plastic Clip and Stud
2-21
2-16 Forms Tractor
2-22
2-17
Forms Tractor and Platen Adjust Lever
2-22
2-18 Forms Tractor and Paper Release Lever (Tension Removed)
2-23
2-19
Forms Tractor and Paper Release Lever (Tension Removed)
2-23
2-20
Forms Tractor Installed
2-24
3-1
Printing Format Factors
3-2
4-1
Interface Functional Block Diagram 4-1
4-2
Interface Connector.
4-2
4-3 Input Line Switching Levels
4-3
4-4
Data Format on Interface
4-4
4-5
Input Converter IC
4-5
4-6
Output Converter IC
4-6
4-7
Current Loop Cable Pinout
4-6
5-1
Top Cover Release Lever 5-2
5-2
HPRO Board Location . 5-2
5-3
Jumper Location
5-4
5-4
Current Loop Connections
5-6
vi

TABLE
2-1
2-2
2-3
3-1
3-2
3-3
4-1
4·2
4-3
5-1
LIST OF TABLES
Front Panel Switches and Indicators
Control Panel. . .
Error Recovery
Standard Formats
Deci mal Values for ASCII Character
Control Functions . . . . .
I nterface Signals .
Interface Signal Terminology.
Interface· Data Timing . . .
Jumper/Shorting Plug Location
vii
PAGE
2-2
2-3
2-13
3-3
3-4
3-5
4-2
4-3
4-5
5-5

MODEL 1610
MODEL 1620
Figure 1-1. HyTerm Communications Terminal
1-0