Operating Voltage
5 Volts DC +/- 5%
Operating Current
10 ma Typical
Operating Temp.
-40 to 85 Degrees C
PC Interface
Full Speed USB
Input Debounce Time
10 - 15 Msec Typical
KE-USBMX20 Header
9 Pins, up to a 5 x 4 Matrix
Female .100” center
Mating Header
(on keypad)
.100” Pitch Male .025” posts
Up to 9 pins
ESD Input Protection
20kV direct, 30kV air
Max Switch Resistance
900 Ohms
Appendix A:
KE-USBMX20 Specifications
.80”
1.1”
23
2
Computer Connection
There is a micro B type USB connector located on the side of the
KE-USBMX20. Connection to this port can be made with power
on as the KE-USBMX20 supports “Hot Plug” operation as a USB
device as well as a boot keyboard device.
Plug the USB Micro Type B side of the USB cable to the KE-
USBMX20 port. Plug the Type A side of the USB cable to the
computer’s USB port or to a USB Hub port.
Up to four KE-USBMX20 units may be used on the same computer
and programmed through the supplied load program.
Micro Type B to KE-USBMX20
Type A USB to KE-USBMX20