Technical information
8.5 Hardware descriptions
SIMATIC IPC477D, IPC477D PRO
234 Operating Instructions, 11/2016, A5E31347228-AF
Pin assignment for the PCIe-x4 card interface
23 PETp2 Transmitter differential pair,
GND Ground
24 PETn2 Transmitter differential pair,
Lane2
GND Ground
25 GND Ground PERp2 Receiver differential pair,
26 GND Ground PERn2 Receiver differential pair,
27 PETp3 Transmitter differential pair,
GND Ground
28 PETn3 Transmitter differential pair,
Ground
29 GND Ground PERp3 Receiver differential pair,
30 RSVD Reserved PERn3 Receiver differential pair,