Technical information
8.5 Hardware descriptions
SIMATIC IPC477E
Operating Instructions, 11/2020, A5E37455003-AF
149
Pin assignment for the PCIe-x4 card interface
20
PETn1
Transmitter differential pair,
Lane1
GND
Ground
21
GND
Ground
PERp1
Receiver differential
pair, Lane1
22
GND
Ground
PERn1
Receiver differential
pair, Lane1
23
PETp2
Transmitter differential pair,
Lane2
GND
Ground
24
PETn2
Transmitter differential pair,
Lane2
GND
Ground
25
GND
Ground
PERp2
Receiver differential
pair, Lane2
26
GND
Ground
PERn2
Receiver differential
pair, Lane2
27
PETp3
Transmitter differential pair,
Lane3
GND
Ground
28
PETn3
Transmitter differential pair,
Lane3
Ground
29
GND
Ground
PERp3
Receiver differential
pair, Lane3
30
RSVD
Reserved
PERn3
Receiver differential
pair, Lane3
31
PRSNT2# Hot-plug presence detect
GND
Ground
32
GND
Ground
RSVD
Reserved