Microsoft POS Keyboard TA61 - Manual (Page 18)

Appendix
Technical data
Housing dimensions Footprint: 280mm x 172mm
Height: 49mm
Cable length Standard: 1m
Optional: 2m extension cable
Power supply 5V +/- 10%, max. 220mA
Protocol PC AT interface, bidirectional,
seriel, synchronous
Connection Mini-DIN connector (6-pin.)
Keyboard Keyboard with variable
key assigment, two-Key rollover
Microprocessor 8052 NMOS-CPU, 12MHz, 8-KByte ROM
80C52 CMOS-CPU, 12MHz, 8-KByte ROM
Power-up reset Yes
Self-test Yes
Technology NMOS, CMOS, standard TTL
Key switch Switch positions: 5, plus insertion position
Swipecard reader Number of magnetic heads: 2 or 3
Magnetic card coding: To ISO 3554
Reading rate: 15 to 80 cm/s
GB - 13