Metrologic Instruments IS4921 - Manual (Page 3)

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Table of Contents
Introduction
Product Overview ..............................................................................................................................................1
Models and Accessories ...................................................................................................................................2
Components of the IS4920 / IS4921 Decode Engine
IS4920-0 / IS4921-0 (Bracket Not Included) ..................................................................................................3
IS4920-1 / IS4921-1 (Bracket Included).........................................................................................................3
Components of the IS4910 / IS4911 (Non-Decode Engine)..............................................................................4
Components of the Decode Printed Circuit Board
TTL Level RS232 ...........................................................................................................................................5
USB................................................................................................................................................................5
Labels ................................................................................................................................................................5
Mounting Specifications
IS4910-00 / IS4911-00 Non-Decode Engine Dimensions .................................................................................6
IS4910-01 / IS4911-01 Non-Decode Engine Dimensions .................................................................................7
IS4910-02 / IS4911-02 Non-Decode Engine Dimensions .................................................................................8
Decode Printed Circuit Board Dimensions
TTL Level RS232 .........................................................................................................................................10
USB..............................................................................................................................................................10
IS4920-2 / IS4921-2 Bracketed Decode Engine Dimensions..........................................................................11
Enclosure Specifications
Electrostatic Discharge (ESD) Cautions ......................................................................................................12
Airborne Contaminants and Foreign Materials.............................................................................................12
Output Window Properties ...........................................................................................................................13
Output Window Coatings .............................................................................................................................13
Optical Clearance Specifications .................................................................................................................14
System Considerations
Power Supply ..................................................................................................................................................15
Host Flex Cable ...............................................................................................................................................15
Power Sequencing ..........................................................................................................................................15
Thermal Considerations ..................................................................................................................................15