Technical information

Technical Information • SCS-TRUMPET • CPU Expansion Side Card

USB

The host CPU board passes through up to 6 x USB 2.0 ports via the mezzanine connectors HSE (4 x)

and EXP (2 x). Two of these USB interfaces are available at the bottom of the SCS-TRUMPET front

panel (exclusive to the COM-A connector option). Another USB 2.0 receptacle would be available in

the middle of the front panel, if the audio jacks would be omitted. All USB power lines (V

BUS

+5V) are

individually protected from an external short circuit condition or back driving conflict by a electronic

power switches (TPS2060).

USB 2.0 Receptacles 270.20.04.1

1+5V V

BUS

2 DATA-

3 DATA+

4GND

sourced via electronic power switches, maximum current for short circuit detection >1.5A

USB Receptacle

270.20.04.1