Fastmark™ Keyboard Display Unit (KDU)

The Fastmark keyboard is an extremely user-friendly and powerful Keyboard Display Unit (KDU) accessory of the Fastmark™ Thermal Printer line. It supports the Fastmark Thermal Products in stand-alone applications for the creation and generation of barcode labels and tags.

The Fastmark KDU is compatible with both Datamax™ and Eltron™ printer programming languages, making this product extremely versatile. Bundled with the KDU is its powerful label design software package, Xbar™.

The XBar software solution is a software package with features that enable you to create labels and tags within a Windows™ environment and PC platform. Downloading your desired formats and forms to the KDU is easily accomplished in a click.

With its ergonomically designed PC Notebook size keypad, LED’s, easy to read LCD display and secondary communication port for barcode scanned input, the Fastmark™ KDU makes the task of data key entry effortlessly.

Contents of the Fastmark KDU accessory include:

  • Fastmark Keyboard Display Unit

  • KDU user’s manual

  • RS232 serial cable

  • Power adapter

  • Barcode scanner port adapter

  • XBar labeling software

Specifications include:

Keypad Type

Standard Notebook PC Sized 

# of Keys

85 with upper and lower case

Software Support

Fastmark™ – XBar™ software


20 alphanumeric, 2 line LED display

Communication Interfaces

P1 – male Dsub, 4800-38400 baud rate
P2 – female Dsub, 4800-38400 baud rate


256k Flash, 128k available for form storage
512k RAM

Emulation Compatibility

PPLA (DPL – Datamax Language emulation)
PPLB (EPLII – Eltron Language emulation)

Firmware Control

PC Downloadable

Power Requirement

110/220V +/- 10% power adapter, 5V/400mA

FCC Classification

FCC Class A


11-3/4″(w) x 6-1/2″(d) x 1-1/2″ (h)


1.08 lbs.

Operating Temperature

40°F ~ 104°F (5°C ~ 40°C)

Storage Temperature

-4°F ~ 140°F (-20° ~ 60°C)


10% ~ 95% non-condensing