Kontron KTAM3874-pITX - Manual (Page 38)

KTD-S0051-D Page 34 Digital I/O Interface
KTAM3874/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.