IBM 4685-K03 Technical Document

IBM 4685-K03 POS Keyboard
Installation, Operation, and Maintenance Guide
P/N 29R0777

IBM is a trademark of the IBM Corporation in the United States or other countries.
First Edition (May 2006)
This manual is revised in accordance with product improvements or for other reasons.
© Copyright International Business Machines Corporation 2006. All rights reserved.

Introduction
This manual provides an overview, installation instructions, operating guidelines,
instructions on how to replace the keys, and general maintenance information for the
IBM™ 4685-K03 POS Keyboard.
In this manual, the IBM 4685-K03 POS Keyboard may be referred to as the 4685-K03 or
as the keyboard. The IBM 4800 POS terminal may be referred to as the POS terminal or
as the terminal.
This manual is organized as follows:
Introduction iii
zChapter 1, “An overview of the IBM 4685-K03 POS Keyboard” provides an overview
of this product and gives the names of the parts.
zChapter 2, “Installing the keyboard” provides information about installing the
keyboard in the IBM 4800 POS terminal.
zChapter 3, “Operating the keyboard” provides information about operating
procedures for the keyboard and the functions of each part.
zChapter 4, “Replacing the keys” provides information about exchange procedures
for the keys and for the unused key covers.
zChapter 5, “Maintenance of the keyboard” provides information about
problem-solving strategies and part replacement procedures. This section is for
service personnel who specialize in maintaining the POS terminal.
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Who should use this guide
This manual is to be used by service personnel who install the IBM 4685-K03 POS
Keyboard and by customers. Information for service engineers who specialize in the POS
terminal is included in Chapter 5, “Maintenance of the keyboard”.
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End of life disposal
This unit must be recycled or discarded according to applicable local and national
regulations. IBM encourages owners of information technology (IT) equipment to
responsibly recycle their equipment when it is no longer needed. IBM offers a variety of
product return programs and services in various countries to assist equipment owners in
recycling their IT products. Information on IBM product recycling offerings can be found on
IBM’s Internet site at http://www.ibm.com/ibm/environment/products/prp.shtml.

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Notices
_________________________________________________________________________________________
Electronic Emission Notices
Japanese Voluntary Control Council for Interference (VCCI) Statement
This product is Class A Information Technology Equipment and conforms to the standards
set by the Voluntary Control Council for Interference by Technology Equipment (VCCI). In a
domestic environment this product may cause radio interference, in which case the user
may be required to take adequate countermeasures.
この装置は、情報処理装置等電波障害自主規制協議会（VCCI）の基準に基づくクラスＡ情報技術装
置です。この装置を家庭環境で使用すると電波妨害を引き起こすことがあります。この場合には使用者
が適切な対策を講ずるよう要求されることがあります。
Korean Communications Statement
Please note that this device has been approved for business purposes with regard to
electromagnetic interference. If you find this is not suitable for your use, you may exchange
it for a non-business purpose device.
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Electrostatic Discharge (ESD)
Attention: ESD damage can occur when there is a difference in charge between the part,
the product, and the service person. No damage will occur if the service person and the
part being installed are at the same charge level.
ESD Damage Prevention
Anytime a service action involves physical contact with logic cards, modules, back-panel
pins, or other ESD-sensitive (ESDS) parts, the service person must be connected to an
ESD common ground point on the product through an ESD wrist strap and cord. The ESD
ground clip can be attached to any frame ground, ground braid, green wire ground, or the
round ground prong on the AC power plug. Coax or connector external shells can also be
used.
iv IBM 4685-K03 Installation, Operation and Maintenance Guide

Handling Removed Cards
Logic cards removed from a product should be placed in ESD protective containers. No
other object should be allowed inside the ESD container with the logic card. Attach tags or
reports that must accompany the card to the outside of the container.
_________________________________________________________________
Related Publications
For related information, please see the following websites:
zhttp://www.ibm.com/jp/store/
zhttp://www.pc.ibm.com/store/

vi IBM 4685-K03 Installation, Operation and Maintenance Guide

Safety Information for Users
SafetyInstructions vii

Safety Information for service personnel
Before you begin to install or service this product, please read the following safety
information.
Note: In these notices, the term, qualified service personnel, refers to a person with the
skills to perform a PC upgrade.
_________________________________________________________________________________________
Safety Information for Japan
viii IBM 4685-K03 Installation, Operation and Maintenance Guide

SafetyInstructions ix

_________________________________________________________________________________________
Safety Information for Korea
x IBM 4685-K03 Installation, Operation and Maintenance Guide

SafetyInstructions xi

Contents
INTRODUCTION ..................................................................................................................................................................... III
WHO SHOULD USE THIS GUIDE........................................................................................................................................ III
END OF LIFE DISPOSAL ...................................................................................................................................................... III
NOTICES.................................................................................................................................................................................. IV
ELECTRONIC EMISSION NOTICES ................................................................................................................................................ IV
Japanese Voluntary Control Council for Interference (VCCI) Statement ............................................................... iv
Korean Communications Statement .............................................................................................................................. iv
ELECTROSTATIC DISCHARGE (ESD)........................................................................................................................................... IV
RELATED PUBLICATIONS.....................................................................................................................................................V
SAFETY INFORMATION FOR USERS...............................................................................................................................VII
SAFETY INFORMATION FOR SERVICE PERSONNEL................................................................................................ VIII
SAFETY INFORMATION FOR JAPAN ............................................................................................................................. VIII
SAFETY INFORMATION FOR KOREA .................................................................................................................................X
CHAPTER 1 “AN OVERVIEW OF THE IBM 4685-K03 POS KEYBOARD”......................................................................1
AN OVERVIEW ..........................................................................................................................................................................1
CONFIRMATION OF PRODUCT .............................................................................................................................................2
4685-K03 MODEL........................................................................................................................................................................ 2
PARTS NAME ............................................................................................................................................................................2
4685-K03 MODEL ........................................................................................................................................................................ 2
KEY LAYOUT AT SHIPMENT TIME ........................................................................................................................................3
4685-K03 MODEL ........................................................................................................................................................................ 3
CHAPTER 2 “INSTALLING THE KEYBOARD” ....................................................................................................................5
INSTALLATION FOR IBM 4800 POS TERMINAL .................................................................................................................5
CHAPTER 3 “OPERATING THE KEYBOARD” ....................................................................................................................9
SYSTEM KEYS ..........................................................................................................................................................................9
VOLUME ADJUSTMENT..........................................................................................................................................................9
MODE SWITCH........................................................................................................................................................................11
4-POSITION MODE KEY ................................................................................................................................................................ 11
Contents xiii
HOW TO SWIPE A CARD THROUGH THE MSR .............................................................................................................. 12

xiv IBM 4685-K03 Installation, Operation and Maintenance Guide
DAILY CARE............................................................................................................................................................................ 12
CHAPTER 4 “REPLACING THE KEYS”............................................................................................................................. 15
REPLACING A SINGLE KEY ................................................................................................................................................ 15
REMOVAL.................................................................................................................................................................................... 15
ATTACHING ................................................................................................................................................................................. 16
REPLACING A DOUBLE KEY .............................................................................................................................................. 17
REMOVAL.................................................................................................................................................................................... 17
ATTACHING ................................................................................................................................................................................. 18
REPLACING A QUADRUPLE KEY...................................................................................................................................... 19
REMOVAL.................................................................................................................................................................................... 19
ATTACHING ................................................................................................................................................................................. 19
CHAPTER 5 “MAINTENANCE OF THE KEYBOARD”..................................................................................................... 21
IF PROBLEMS OCCUR ......................................................................................................................................................... 21
DIAGNOSTIC TESTS............................................................................................................................................................. 22
SELF-DIAGNOSTIC TESTS............................................................................................................................................................ 22
REMOVING AND REPLACING PARTS............................................................................................................................... 24
REPLACING THE REAR COVER .................................................................................................................................................... 24
REPLACING THE CONTROL CARD ............................................................................................................................................... 25
REPLACING THE MSR................................................................................................................................................................ 25
REPLACING THE MODE KEY ........................................................................................................................................................ 27
REPLACING THE SPEAKER.......................................................................................................................................................... 27
REPLACING THE TOP COVER ASSEMBLY..................................................................................................................................... 27
BILL OF MATERIAL ............................................................................................................................................................... 28
ASSEMBLY:KEYBOARD.............................................................................................................................................................. 28
APPENDIX A. ACCESSORY UNIT ....................................................................................................................................... 31
ACCESSORY UNITS ..................................................................................................................................................................... 31
APPENDIX B. PRODUCT SPECIFICATIONS..................................................................................................................... 33
DIMENSIONS ............................................................................................................................................................................... 33
CONSUMPTION CURRENT ........................................................................................................................................................... 33
ENVIRONMENT CONDITION.......................................................................................................................................................... 33
MSR READABLE CARDS..................................................................................................................................................... 33

Chapter 1 “An overview of the IBM 4685-K03 POS Keyboard”
This chapter provides an overview of the IBM 4685-K03 POS Keyboard, explains how to
confirm the identification of the product, gives the names of the parts, and describes the key
layout at time of shipment.
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An overview
The IBM 4685-K03 POS keyboard is equipped with an MSR (Magnetic Stripe Reader). The
4685-K03 keyboard is to be connected to an IBM 4800 POS terminal. This keyboard
connects using the IBM RS-485 or powered USB, but using both interfaces at the same
time is not supported.
Connecting two different interface cables at the same time may
damage the keyboard.
The primary hardware configuration for the 4685-K03 is as follows:
4685-K03
Key matrix 12 rows ×7 columns
At shipment Single keys
Double keys
54 pieces
4 pieces
MSR Read only
Mode key 4 positions
Interfaces RS-485, Powered USB
Chapter1 Outline for 4685-K03 POS Keyboard 1

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Confirmation of product
Confirm the following parts are included.
4685-K03 Model
□ 4685-K03 Keyboard
□ Keys 1 set
(Single keys: 54 pieces
Double keys: 4 pieces)
□ Mode keys Label 1
□ Mode keys
Operator Key (“OP”) 2 pieces
Manager Key (“MGR”) 2 pieces
□ Removal tool for key caps
2 IBM 4685-K03 Installation, Operation and Maintenance Guide

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Parts name
4685-K03 model
Mode switch
MSR
System keys
S1
S2
2 IBM 4685-K03 Installation, Operation and Maintenance Guide

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Key layout at shipment time
4685-K03 model
Chapter 1 Outline for IBM 4685-K02 POS Keyboard 3