Power supply unit
Requirements of the PSU
- the unit must be positioned into a box
- the unit can be positioned in any way even upside down
- one socket to power the PSU
- one socket with 5V and 12V output power lines
- it must be possible to add more output sockets in future
- one switch to turn on or off the PSU
- each output socket has a 2 LEDs showing if the 2 output lines works (a yellow LED for 12V and green one for 5V)
- the USB expansion card is positioned into the PSU
- the box has an USB socket to connect to the PC
- one red LED shows if the USB card is powered
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- one DSUB 25pin socket to connect the master to the USB expansion card
- it must be possible to add more DSUB sockets in future
- the box must have a cooling fan
Images