2. Introduction

3. TYPES OF KEYBOARD

4. 1. Compact Size POS Keyboard
2. Full Size POS Keyboard
3. 78-Key POS Keyboard
4. LCD-POS Keyboard
5. Qwerty-POS keyboard
6. Mini Qwerty POS Keyboard
7. 28-Key POS Keyboard
8. Compact POS Keyboard
9. 112, 66, 51, Key POS Keyboard
Here, are some types:

5. Compact Size POS Keyboard

6. -64 fully programmable keys
-Keyboards are backed up by 1.2mm
thick metal frame
-Available in USB, PS/2 Interface
-Programmable keys can be programmed
with 255 characters
- Provides multi-level programming
-Provides for a variable time delay in
each programmed string
-Support PS/2 programming in DOS,
Windows9X, Me, 2K, XP
-USB programming through the USB
HID interface, need not any keyboard
drivers.
FEATURES:

7. Full size POS keyboard

8. FEATURES:
-32 fully programmable keys
-QWERTY section is made of POS graded membrane keys
-Numeric section is made of Cherry MX key switches
-Keyboards are backed up by 1.2mm thick metal frame
-With built-in touchpad, removable, detachable cables
-Available in USB, PS/2 Interfac
-Programmable keys can be programmed with 255 characters
-Provides multi-level programming
-Provides for a variable time delay in each programmed string
-Provide a true Caps/Scroll/Numeric Lock function
independent of any other keyboards being connected
-USB programming through the USB HID interface, need not
any keyboard drivers.

9. 78 Key POS Programmable
Keyboard

10. FEATURES:
-Two different key actions (soft contact and key click)
-Laser-engraved keycap symbols or high quality UV silk
screen printed keycap symbols
-Operating life cycle of individual keys:
>Soft contact mode: 50 million strokes
>Key click mode: 20 million strokes
-Damaged keys can be easily replaced and hence save
the replacement cost
-All keys can be programmed with unlimited characters
-Does not require a TSR program and hence avoids
application software crashes
-Provides multi-level programming
-Provide a true Caps/Scroll/Numeric Lock function
independent of any other keyboards being connected

11. LCD POS Keyboard

12. FEATURES:
-LCD pos programmable keyboard features
-Display is present at top of board
-Rest is same as of previous POS keyboard
LCD Features:
-Dot Matrix LCD (132 * 32), with backlight LED
-Support ESC/POS Protocol, control to display on both
display or either one
-With built-in LCD Display, replacing the bulky monitor;
low cost and space saving POS solution

13. QWERTY POS Keyboard

14. FEATURES:
-Option for Unlimited Programmability of all Keys in up to 3
Layers Provides Convenient Data Access
-Plug and Play Configuration for all Common POS Features
-Enhanced US 131/127 Position Key Layout
-Moving of Keys Allows for Easy Key Position Exchange
Including Modifier Functions
-Pop-up Window for Comfortable Display of Programmed Keys
-Robust Product Design with IP 54 Spill and Dust Resistant
Key Field for Harsh Environments
-Selection of Non-Keyboard Hexcodes Enhances Security for Credit
Card Processing
-Full size keyboard with QWERTY layout
-Fully Programmable Keyboard with 42 Relegendable Keys for Easy
Layout Configuration and Quick Function Calls

15. MINI QWERTY POS
KEYBOARD

16. FEATURES:
-Compact keyboard with QWERTY section, with programmable
keys
-High quality membrane keys with tactile feeling
-Laser-engraved keycap symbols or high quality UV silk screen
printed keycap symbols
-Damaged keys can be easily replaced and hence save the
replacement cost
-With internal strong metal plate to enhance the protection against
ESD is increased
-All keys can be programmed with unlimited characters
-Provides multi-level programming
-Support PS/2 programming in DOS, Windows9X, Me, 2K, XP

17. 28-Key POS Keyboard

18. FEATURES:
-With 28 Cherry MX key switches, good tactile feeling
-With spill proof guide-array, patent design.
- Laser-engraved keycap symbols or high quality UV silk screen
printed keycap symbols
-Damaged keys can be easily replaced and hence save the
replacement cost
-Detachable cable, using RJ-45 connector, USB Interface
-All keys can be programmed with 255 characters
-Provides multi-level programming
-Provides for a variable time delay, of 0.5sec per interval
-Support PS/2 programming in DOS, Windows9X, Me, 2K, XP
-All programmed data are stored in the keyboard EEPROM.

19. Compact POS Keyboard

20. FEATURES:
-64 fully programmable keys
-QWERTY section can be on the top four rows or on the
bottom four rows
-All keys are made of POS graded membrane keys
-Keyboards are backed up by 1.2mm thick metal frame
-Detachable cable, using the tough RJ45 connector
-Available in USB, PS/2 Interface
-Programmable keys can be programmed with 255 characters
-Provides multi-level programming
-Provides for a variable time delay in
each programmed string
-Support PS/2 programming in DOS, Windows9X, Me, 2K, XP

21. 112 Key POS keyboard

22. 66 Key POS keyboard

23. 51 Key POS Keyboard

24. FUNCTIONING OF KEYBOARD

25. KEYBOARD
CONTROLLER
KEYBOARD
BUFFER
SYSTEM
SOFTWARE
1 A key is pressed on the keyboard
2 The keyboard
controller sends the
scan code for the key
to key board buffer
3 The keyboard
controller sends an
interrupt request
to the system
software
4 The system software
responds to the
interrupt by reading
the scan code from
the keyboard buffer
5 The system
software passes the
scan code to CPU

26. ANY QUESTIONS PLEASE ?

27. Thank you