Siemens SIMATIC IPC477E Operating Instructions Manual page 149

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