Kontron KTT20-pITX - Manual (Page 35)

KTD-S0044-G Page 31 Digital I/O Interface
KTT20/pITX User's Guide
CAUTION!
Do not use signal voltages above 3.3V. All I/O signals are unprotected against overvoltage.
Note: 1) To protect the external power lines of peripheral devices make sure that
- the wires have the right diameter to withstand the maximum available current.
- to enclosure of the peripheral device fulfills the fire-protecting conditions of IEC/EN 60950.
Attention: The KONTRON Board Support Packages (BSPs) do not support most of the second functionality (e.g. keyboard input).