Symbol DS7708 - Page 10

viii DS7708 2D Vertical Slot Scanner Product Reference Guide
Chapter 6: USB INTERFACE
Introduction ............................................................................................................................... 6-1
Connecting a USB Interface ..................................................................................................... 6-2
USB Default Parameters .......................................................................................................... 6-4
USB Host Parameters .............................................................................................................. 6-5
USB Device Type ................................................................................................................ 6-5
Symbol Native API (SNAPI) Status Handshaking ............................................................... 6-9
USB Keystroke Delay ......................................................................................................... 6-10
USB CAPS Lock Override .................................................................................................. 6-12
USB Ignore Unknown Characters ....................................................................................... 6-13
USB Convert Unknown to Code 39 .................................................................................... 6-14
Emulate Keypad .................................................................................................................. 6-15
Keypad Emulation with Leading Zero ................................................................................. 6-16
USB Keyboard FN1 Substitution ......................................................................................... 6-17
Function Key Mapping ........................................................................................................ 6-18
Simulated Caps Lock .......................................................................................................... 6-19
Convert Case ...................................................................................................................... 6-20
USB Static CDC .................................................................................................................. 6-22
USB Transmission Speed Parameters ............................................................................... 6-23
USB HID Polling Interval ............................................................................................... 6-23
Fast HID Keyboard ....................................................................................................... 6-28
Quick Keypad Emulation ............................................................................................... 6-29
IBM Specification Version ................................................................................................... 6-30
Optional USB Parameters ........................................................................................................ 6-31
Beep Directive ..................................................................................................................... 6-31
Bar Code Configuration Directive ....................................................................................... 6-32
ASCII Character Set for USB .................................................................................................... 6-33
Chapter 7: RS-232 INTERFACE
Introduction ............................................................................................................................... 7-1
RS-232 Host Parameters .......................................................................................................... 7-5
RS-232 Host Types ............................................................................................................. 7-7
Baud Rate ........................................................................................................................... 7-11
Parity ................................................................................................................................... 7-14
Check Receive Errors ......................................................................................................... 7-16
Hardware Handshaking ...................................................................................................... 7-17
None ............................................................................................................................. 7-18
Standard RTS/CTS ....................................................................................................... 7-18
RTS/CTS Option 1 ........................................................................................................ 7-19
RTS/CTS Option 2 ........................................................................................................ 7-19
RTS/CTS Option 3 ........................................................................................................ 7-20
Software Handshaking ........................................................................................................ 7-21
None ............................................................................................................................. 7-21
ACK/NAK ...................................................................................................................... 7-21
ENQ .............................................................................................................................. 7-22
ACK/NAK with ENQ ...................................................................................................... 7-22
XON/XOFF .................................................................................................................... 7-23
Host Serial Response Time-out .......................................................................................... 7-24
RTS Line State .................................................................................................................... 7-27
Stop Bit Select .................................................................................................................... 7-28