Squirrel Systems Squirrel Workstation 8 Operating manual

Squirrel Workstation 8
SQ-2020
Operator and Service
Manual
Revision 1.0

Preliminary Release
Caution: Changes or modifications to this equipment, not expressly approved by the
manufacturer could void the user’s authority to operate the equipment.
Information in this document is subject to change without
notice. No part of this document may be reproduced or
transmitted in any form or by any means, electronic or
mechanical, for any purpose, without the express written
permission of Squirrel Systems.
©2003 Squirrel Systems. All rights reserved.

Squirrel Workstation 8
Records of Revision
Date Reference:
Page,
Paragraph,
Drawing No.
Revision
No. Comments Check
and
Approval
Mar 31/05 Rev 1.0 Initial Release D. O’Brien

TABLE OF CONTENTS
TABLE OF CONTENTS
CHAPTER 1: GENERAL INFORMATION................................... 1-1
INTRODUCTION............................................................................................ 1-1
SPECIFICATIONS ......................................................................................... 1-2
ACCESSORIES ............................................................................................. 1-4
WORKSTATION 8 DIMENSIONS ................................................................. 1-5
PRODUCT DESCRIPTION............................................................................ 1-7
CHAPTER 2: DISASSEMBLY and ASSEMBLY........................ 2-1
General Servicing Precautions................................................................... 2-1
Service Equipment and Parts List.............................................................. 2-1
Removing the Front Cover......................................................................... 2-5
Replacing the Front Cover ......................................................................... 2-7
Removing the Mag Swipe Reader.............................................................. 2-7
Removing the ISIS Badge Reader (Optical Reader) ................................. 2-8
Removing the ‘DG41 LCD Assembly (Mounting Bracket) from the Rear
Internal Shield Assembly.......................................................................... 2-11
Disassembly of the ‘DG41 LCD Assembly............................................... 2-13
Removing the Touch Screen Sensor (Overlay) ............................. 2-13
Reassembling/Replacing the Touch Screen Sensor (Overlay) ..... 2-14
Removing the ‘DG41 LCD from the LCD Mounting Bracket.......... 2-14
Disconnecting the LCD Data Cable ............................................... 2-16
Removing the Open Frame Inverter............................................... 2-16
Reassembly.................................................................................... 2-17
Base Bottom Disassembly ....................................................................... 2-18
Disconnecting the Power Switch Cable from the Motherboard ..... 2-18
Disassembly of the Internal Shield Assembly ................................ 2-19
Removing the Internal Shield Assembly out of the Base Bottom
Plastics................................................................................... 2-19
Removing the Power Switch Cable and the Power Switch.... 2-19
Removing the Intake Fan....................................................... 2-20
Removing the Motherboard from the Internal Shield Housing2-21
Resetting CMOS for Squirrel Defaults ................................... 2-22
Removing the Card Guide Rails............................................. 2-23
CHAPTER 3: INSTALLATION ................................................... 3-1
GENERAL GUIDELINES............................................................................... 3-1
ELECTRICAL POWER REQUIREMENTS.................................................... 3-2
LOCATION AND MOUNTING POSITIONS .................................................. 3-2
I Preliminary Release 3/24/05/R1.0

TABLE OF CONTENTS
PROPER INSTALLATION OF MOUNTING HARDWARE............................3-3
Tilt Stand (92-205) Installation....................................................................3-3
Adjusting the Tilt Stand...............................................................................3-6
Mounting the Workstation 8 to a Wall Bracket (92-207).............................3-8
Wall Mount........................................................................................3-8
Counter Sunk Mount.........................................................................3-9
HOST/SERVER COMMUNICATION PROTOCOL........................................3-9
ISIS BADGE READER CONFIGURATION .................................................3-10
CABLE LOCATION LABEL - I/O INTERFACE..........................................3-10
TYPICAL WORKSTATION & PERIPHERAL SETUP.................................3-12
FINAL TESTING OF THE INSTALLATION.................................................3-13
Powering it On...........................................................................................3-13
Screen Contrast........................................................................................3-14
Volume Control .........................................................................................3-14
CHAPTER 4: MAINTENANCE....................................................4-1
CARING FOR THE WORKSTATION 8..........................................................4-1
General Cleaning........................................................................................4-1
Cleaning the Credit Card Reader ...............................................................4-2
CHAPTER 5: TROUBLESHOOTING .........................................5-1
CHAPTER 6: APPENDICES.......................................................6-1
APPENDIX A: ESD WORK-STATION...........................................................6-1
Maximum Allowable Resistances and Discharge Times for Static Safe
Operations ..............................................................................................6-2
ESD Work-station Do’s and Don’ts.............................................................6-2
Prime Sources of Static Electricity in an Electronics Work Area................6-3
Field Service - ESD Prevention ..................................................................6-4
Field Service Kit..........................................................................................6-4
APPENDIX B: LCD HANDLING ....................................................................6-5
ESD Protection............................................................................................6-5
Mechanical Force and Strength..................................................................6-5
Handling the LCD........................................................................................6-5
Cleaning......................................................................................................6-6
Storage........................................................................................................6-6
Ingestion and Injury Warning......................................................................6-7
APPENDIX C: HANDLING CIRCUIT BOARDS ............................................6-8
APPENDIX D: PORT SIGNAL PIN ASSIGNMENT.......................................6-9
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TABLE OF CONTENTS
APPENDIX E: TOUCHSCREEN SENSOR ................................................. 6-10
Cleaning ................................................................................................... 6-10
Specifications ........................................................................................... 6-10
APPENDIX F: MOTHERBOARD PREPARATION ..................................... 6-12
Foil Taping the Rear Shield Casing (89-541)........................................... 6-13
Foil Tape Specifications........................................................................... 6-14
APPENDIX G: ............................................................................................ 6-15
Connector Descriptions............................................................................ 6-15
Jumper Descriptions................................................................................. 6-16
Jumper Settings Information .................................................................... 6-17
APPENDIX H: BUTTERFLY SHIELD SCREW.......................................... 6-21
APPENDIX I: LCD BRACKET PREPARATION FOR MOUNTING THE
LQ121S1DG41 DISPLAY............................................................................ 6-22
3/24/05 Preliminary Release III

GENERAL INFORMATION
CHAPTER 1:GENERAL INFORMATION
The General Information Chapter includes three sections:
•Introduction
•Specifications
•Accessories
•Product Dimensions
•Product Description
INTRODUCTION
This publication is intended to provide technical support information for Squirrel
systems installers, field service technicians and depot service technicians.
Information in this manual includes:
•Specifications for electrical power requirements and interface cable
installation.
•Installation guidelines for mounting hardware and procedures pertaining
to the Wall Bracket and Tilt Stand
•Assembly and disassembly procedures.
•Configuration and adjustment of communication protocol, display
attributes and other features.
•Troubleshooting and repair procedures.
Only authorized SQUIRREL personnel with proper training and equipment such as
Anti-static Kits should attempt the disassembly procedures described in this manual.
1-1 R1.0 Preliminary Release 3/24/05

GENERAL INFORMATION
SPECIFICATIONS
Standard SBC
Functions PROCESSOR Intel Celeron 850 MHz or Pentium 3 up
to 1GHz
- Socket 370
BIOS - Standard Award® PC 256 KB Flash
BIOS
- Includes ETHERNET LINUX boot
ROM
SYSTEM CHIPSET VIA VT82C694/VT82C686
SECOND LEVEL OF CACHE On-board 512KB
RAM - two 168 - pin DIMM sockets
(supports up to 512MB SDRAM)
PARALLEL PORT - One parallel port (LPT2)
onboard/internal access, supporting
SPP/EPP/ECP/ parallel mode.
SERIAL PORTS - COM 1 & 2 External
RJ11: RS-232
- COM 4 External
RJ11: RS232 & supports +5V
power
- COM 1,2 & 3 Onboard
2x5 Header: RS-232
KEYBOARD CONNECTOR Mini-DIN keyboard connector
PS/2 MOUSE CONNECTOR PS/2 mouse – onboard/internal access
VIDEO CONNECTOR Internal shrouded header to support a
CRT monitor
WATCHDOG TIMER Software enable/disable. Time interval of
1.6 seconds generates system reset in
the event of program failure
USB Two onboard/internal access USB1.1
Ethernet Interface CHIP RTL8139C
ETHERNET INTERFACE 10/100 BASE-T/TX, RJ45
1-2 Preliminary Release 3/24/05

GENERAL INFORMATION
Flat Panel / PCI
SVGA Interface: CHIPSET C & T 69000
- 2 MB integrated memory
DISPLAY MEMORY 2 MB on-board memory
DISPLAY TYPE - 12.1” Color TFT – Hi Brightness LCD
- Resolution: 800x600
Touchscreen
Interface OVERLAY 5 Wire 12.1” ELO-Touch Analogue
Resistive overlay
Cash Drawer
Interface: CASHDRAWERS Supports 2 cash drawers.
(RJ11 connector)
Peripherals Devices MAGNETIC SWIPE Bi-directional read Track 1 & Track 2
Software
Compatibility SOFTWARE POS SquirrelOne
External Power
Supply Adaptor INPUT REQUIREMENTS - 100 VAC – 240 VAC
- 50-60 Hz (International)
- UL and CE
OUTPUT REQUIREMENTS - +12V, DC @ 5.5 Amps
- maximum power rating: 60 WATTS
CONT.
POWER CORD LENGTHS - input approx.: 40” (1016mm)
- output approx.: 72” (1830mm)
SIZE (DIMENSIONS) - L x W x D:
132”(5.20mm)x58”(2.29mm)x
30”(1.18mm)
- Weight: 0.66 lbs (300g)
3/24/05 Preliminary Release 1-3

GENERAL INFORMATION
Mechanical and
Environmental OPERATING TEMPERATURE 50°to 105.8°F (10°to 40°C)
OPERATING HUMIDITY 5% to 95% relative humidity
WEIGHT 12.47 lbs (5.64 kg) WS on stand
7.10 lbs (3.22 kg) WS only
ACCESSORIES
ETHERNET CABLE Standard
CHECK PRINTER COMMUNICATION
CABLE Standard
EXTERNAL POWER SUPPLY WITH
POWER CORD Standard
CASH DRAWER CABLE Optional
CUSTOMER DISPLAY TOWER CABLE Optional
ADJUSTABLE TILT STAND Standard
MAG SWIPE (CREDIT CARD
READER) Optional
1-4 Preliminary Release 3/24/05

GENERAL INFORMATION
WORKSTATION 8 DIMENSIONS
3/24/05 Preliminary Release 1-5

GENERAL INFORMATION
Side Dimensions
External Power Supply Dimensions
1-6 Preliminary Release 3/24/05

GENERAL INFORMATION
Product Description
Touchscreen
Optical ID Reader
Badge Card Slot
Magswipe
Reader/Slot
Adjustable Stand
and Backplate
Air Exhaust
Area
Power Switch
Ke
y
board Port
Internal Intake
Fan Vents
3/24/05 Preliminary Release 1-7

GENERAL INFORMATION
1. Power Jack – AC/DC Power Supply Adaptor is connected here.
2. Ethernet Port – 10/100 Base – T/TX, RJ45 Jack for SquirrelOne Network
Connection.
3. COM 4 – RJ12 Interface Jack configured for default Customer Display
Tower.
4. Cashdrawer Port – RJ12 Jack provides Dual Cashdrawer Output.
5. COM 2 – RJ12 Interface Jack configured for default POS printer.
6. COM 1 – RJ12 Interface Jack configured for default POS printer.
Refer to Appendix D for port signal pin assignment.
Wall Mounting Bracket Slots
Serial Number
Label
Sales & Service
Label
Workstation’s Ethernet
MAC Address
6 5 4 3 2 1
Stand Back
Plate Mounting
Holes
Cable Location Label
1-8 Preliminary Release 3/24/05

DISASSEMBLY AND ASSEMBLY
CHAPTER 2:DISASSEMBLY AND ASSEMBLY
General Servicing Precautions
The following are general precautions that should be taken by technicians when
servicing the Workstation 8 product. Please refer to APPENDICES at the back of
the manual for a detailed explanation.
•A safe EDS protected work area is required to service the
Workstation 8 product to prevent damage to sensitive
components from static discharge. Refer to APPENDIX A.
•Extra care needs to be exercised when handling and cleaning
the LCD to prevent any damage. Refer to APPENDIX B.
•Circuit boards need to be handled and stored with care to
prevent any ESD damage. Refer to APPENDIX C.
•Opening & Closing – all cabling needs to be arranged so that
they will not be pinched or interfere when you open and close
the workstation case for servicing.
Service Equipment and Parts List
The following equipment is required to service the WORKSTATION 8 according
to this manual:
•Anti-static mat with ground-wire and wrist strap – safe ESD work
area
•Side cutters
•#1 and #2 Phillips screwdrivers
•Multimeter
•Magnetic head cleaning card (SQ-2940 pkg of 10 OR SQ-2941
pkg of 50)
•Scissors
Disassembly Instructions
When disassembling the workstation make sure the workstation is turned off and
disconnected from all cabling and peripherals.
3/24/05 R1.0 Preliminary Release 2-1

DISASSEMBLY AND ASSEMBLY
Reassembly Instructions
Reassembling is the reverse of the disassembly process. Use care to ensure
that all cables and screws are returned to their proper positions. Check that no
loose parts have been left inside and everything is properly installed and
tightened.
A list of modules and/or their sub-assemblies:
Module / Sub-Assembly Part Number
Workstation 8 for SquirrelOne with Power Supply and
Stand SQ-2020
Workstation 8 for SquirrelOne with Power Supply and no
Stand SQ-2021
Workstation 8 for SquirrelOne without Power Supply and
Stand 92-800
AC / DC Power Supply (no AC cable) 31-038
AC Power Supply Cord 78-010
Touchscreen Overlay/Sensor SQ-2523
LCD Assembly (LQ121S1DG41 LCD) & Shield Top
Note: Primarily for field servicing
92-241
ISIS Badge Reader Kit SQ-2899C
Magswipe Reader SQ-2902
Motherboard – SBC
Comes with 64M RAM
SQ-6593
Table 2.1 Module / Sub-Assembly Parts List
2-2 Preliminary Release 3/24/05

DISASSEMBLY AND ASSEMBLY
Various cables, screws and miscellaneous parts
Part Description Part Number
Cable RJ12 to RJ12 Interface
Use: COM1
COM2
COM4
SQ-7035
Cable CATS Ethernet Patch
Use: SquirrelOne SQ-7706
Cable RJ12 to RJ45 Printer Interface
Use: COM2 SQ-7345
Cable Cash Drawer
Use: DRW SQ-7175
Dual Cash Drawer Adaptor 95-026
Plastic Split Tubing (per foot) 77-040
#6-32 X 1” Pan Head Phillips Screw
Front to back housing 82-009
#4 Star Washer
For LCD mounting and motherboard 83-003
Screw #4-40 x ¼
- LCD to mounting bracket
- Motherboard to rear shield
- Inverter to LCD mounting bracket
82-004
Screw #4 x ¼
For card guide rails 82-068
Screw #4 x 3/8
To secure magswipe reader 82-067
Display Backplate 89-540
Rear Internal Shield 89-541
LCD Data Cable 76-245
LCD Back Light Cable 76-208
Table 2.2 Miscellaneous Parts List
3/24/05 Preliminary Release 2-3

DISASSEMBLY AND ASSEMBLY
Power Switch 74-020
Power Switch Cable 76-338
Plastic Card Guide 99-608
Black Cable Tie 86-015
Fan 91-070
ISIS Cable 76-301
Adjustable Stand with Weight Assy 92-205
Base 92-195
Back Plate 99-604
Wall Mount Bracket 92-207
Rear Workstation 8 Plastic Housing 99-618
Top Workstation 8 Plastic Cover 99-622
WS8 High Touch Strip 99-623
ISIS Badge Rdr Kit SQ-2899C
#6-32x1/2” Phil Black Screw
For Fan to Rear Shield 82-608
Table 2.2 Miscellaneous Parts List
2-4 Preliminary Release 3/24/05

DISASSEMBLY AND ASSEMBLY
To remove the Front Cover:
This procedure requires a #2 Phillips screwdriver.
Removing the Front
Cover
1. Place the WORKSTATION 8’s front of the unit face down on the
anti-static mat. Ensure that the mat is clean of debris that could
scratch or damage the workstation.
2. Remove all 10 screws that secure the front cover to the bottom
housing as shown in the picture below.
3. Carefully hold the front and rear housing together and turn the
unit over right side up.
4. Carefully lift off the front cover to expose the internal
assemblies.
3/24/05 Preliminary Release 2-5

DISASSEMBLY AND ASSEMBLY
Front/Top Cover Front/Top Cover
Front View Back View
LCD Optical ID Reader
(Isis Badge Reader)
Magswipe
Reader
Base Bottom Housing Sensor/Overlay LCD Mounting
Bracket
Power Switch
Spray coated with
copper loaded paint for
EMI/RFI shielding
2-6 Preliminary Release 3/24/05