
ii
AC Characteristics............................................................................................................... 3-4
Power Up From Power Off State (Low Power Mode)*................................................... 3-4
Power Off Timing (Low Power Mode)* .......................................................................... 3-5
USB Enumeration Timing .............................................................................................. 3-6
Interleaved Mode........................................................................................................... 3-7
Environmental Specifications .............................................................................................. 3-8
Chapter 4 - Optics and Illumination
Sensor ................................................................................................................................. 4-1
Illumination Wavelength ...................................................................................................... 4-1
Aiming Wavelength.............................................................................................................. 4-1
Window Placement.............................................................................................................. 4-1
Distance from Window................................................................................................... 4-1
Window Size and Material Requirements...................................................................... 4-1
N56XX Laser Aimer (ER lens at 9.27”) Window Size Diagram ..................................... 4-2
N56XX Laser Aimer (SR and HD lens at 5.27”) Window Size Diagram ........................ 4-3
Reflective Materials in the Imager’s Field of View ............................................................... 4-3
Bar Code Presentation Angle .............................................................................................. 4-3
Laser/LED Safety Standard for N56XX Engines ................................................................. 4-3
Depth of Field Specifications—Guaranteed ........................................................................ 4-4
Guaranteed—Red Illumination ...................................................................................... 4-4
Guaranteed—White Illumination.................................................................................... 4-5
Depth of Field Specifications—Typical ................................................................................ 4-7
Typical—Red Illumination .............................................................................................. 4-7
Typical—White Illumination ........................................................................................... 4-8
Field of View/Resolution ...................................................................................................... 4-8
Bar Code Reading Angles ................................................................................................... 4-9
Chapter 5 - Mechanical Specifications
N56XX Engine Bracketed Mounting .................................................................................... 5-1
N56XX Unbracketed Mounting ............................................................................................ 5-2
N56XX Connector Position.................................................................................................. 5-3
Mounting Configuration for N56XX (Laser Aimer) Optics Module without Ears .................. 5-4
Mounting Configuration for N56XX (LED Aimer) Optics Module without Ears .................... 5-6
Mounting Configuration for N56XX (LED Aimer) Optics Module with Ears ......................... 5-7
Protecting the Engine from Movement ................................................................................ 5-8
Optics Module Interface Connector ..................................................................................... 5-8
Host Interface Connector..................................................................................................... 5-8
Decoder Board Interface Connector.................................................................................... 5-8
Optics Module to Decoder Board Flex Circuit ..................................................................... 5-8
Host Flex Circuit/Strip........................................................................................................ 5-11
........................................................................................................................................... 5-11
Appendix A - Design Considerations / Test Results
EMI Considerations .............................................................................................................A-1
The Decoder Board .......................................................................................................A-1
The Image Engine .........................................................................................................A-1