Detailed descriptions
16.1 Motherboard
SIMATIC IPC647C
Operating Instructions, 12/2010, A5E02669337-02
153
PS/2 mouse interface, X21 7 to 12
PS/2 Pin no. Short name Meaning Input / output
1 DAT Data channel, mouse Input/output
2 – Not used –
3 GND Ground –
4 P5VFK + 5 V (fused) Output
5 CLK Clock channel,
mouse
Input/output
6 – Not used –
PS/2 keyboard interface, X21 1 to 6
PS/2 Pin no. Short name Meaning Input / output
1 DAT Data channel, keyboard Input/output
2 – Not used –
3 GND Ground –
4 P5VFK + 5 V (fused) Output
5 CLK Clock channel,
keyboard
Input/output
6 – Not used –
USB 2.0 ports, X40A, B; X41A, B
USB 2.0 port
Pinno. Short name Meaning Input / output
1 VCC + 5 V (fused) Output
2 – Data Data channel Input / output
3 + Data Data channel Input / output
4 GND Ground –
The connectors are of type A.
The ports are rated as high-current USB 2.0 (500 mA).