Signal Descriptions - One Stop Systems Max Express OSS-KIT-EXP-4500 User Manual

4.d. Signal Descriptions
PETp(x)
PETn(x)
PERp(x)
PERn(x)
CREFCLK+/-
SB_RTN
CPRSNT#
PWR
PWR_RTN
CWAKE#
CPERST#
One Stop Systems, Inc.
Rev. A
PCI Express Transmit Positive signal of (x) pair.
PCI Express Transmit Negative signal of (x) pair.
PCI Express Receive Positive signal of (x) pair.
PCI Express Receive Negative signal of (x) pair.
Cable REFerence CLocK: Provides a reference clock from the host system to the
remote system.
Side Band ReTurN: return path for single ended signals from remote systems.
Cable PReSeNT: Indicates the presence of a device beyond the cable.
PoWeR: Provides local power for in-cable redriver circuits. Only needed on long
cables.
Power does not go across the cable.)
PoWeR ReTurN: Provides local power return path for PWR pins.
Cable WAKE
Cable PCI Express Reset
OSS-KIT-EXP-4500
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