Advantech SOM-5992 Design Manual page 79

Signal Pin#
USB_SSRX1+ C7
USB_SSRX1- C6
USB_SSRX2+ C10
USB_SSRX2- C9
USB_SSRX3+ C13
USB_SSRX3- C12
Notes:
Description
USB Port 1, SuperSpeed RX +
USB Port 1, SuperSpeed RX –
Carrier Board:
Device - Connect AC Coupling Capacitors 100nF
near COME to StdA_SSTX+/-
Conn. - Connect 0Ω and 90Ω @100MHz USB3.0
Common Mode Choke(NL) combined in series and
USB3.0 ESD suppressors to GND to Pin 6
StdA_SSRX+ / Pin 5 StdA_SSRX-, the value of CMC
depends on EMI and signal integrity performance.
N/C if not used
USB Port 2, SuperSpeed RX +
USB Port 2, SuperSpeed RX –
Carrier Board:
Device - Connect AC Coupling Capacitors 100nF
near COME to StdA_SSTX+/-
Conn. - Connect 0Ω and 90Ω @100MHz USB3.0
Common Mode Choke(NL) combined in series and
USB3.0 ESD suppressors to GND to Pin 6
StdA_SSRX+ / Pin 5 StdA_SSRX-, the value of CMC
depends on EMI and signal integrity performance.
N/C if not used
USB Port 3, SuperSpeed RX +
USB Port 3, SuperSpeed RX –
Carrier Board:
Device - Connect AC Coupling Capacitors 100nF
near COME to StdA_SSTX+/-
Conn. - Connect 0Ω and 90Ω @100MHz USB3.0
Common Mode Choke(NL) combined in series and
USB3.0 ESD suppressors to GND to Pin 6
StdA_SSRX+ / Pin 5 StdA_SSRX-, the value of CMC
depends on EMI and signal integrity performance.
N/C if not used
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I/O Note
I PCIE
I PCIE
I PCIE