4 cd signal descriptions, 1 usb 3.0 extension, 2 pci express x1 – ADLINK Express-HLE User Manual
Page 25: Cd signal descriptions

Express-HLE
Page 25
3.4 CD Signal Descriptions
3.4.1
USB 3.0 extension
Signal
Pin
Description
I/O
PU/PD
Comment
USB_SSRX0- 
USB_SSRX0+ 
C3 
C4 
Additional Receive signal differential pairs for the 
SuperSpeed USB data path on USB0 
I PCIE
USB_SSTX0- 
USB_SSTX0+ 
D3 
D4 
Additional Transmit signal differential pairs for the 
SuperSpeed USB data path on USB0 
O PCIE
AC coupled on Module
USB_SSRX1- 
USB_SSRX1+ 
C6 
C7 
Additional Receive signal differential pairs for the 
SuperSpeed USB data path on USB1 
I PCIE
USB_SSTX1- 
USB_SSTX1+ 
D6 
D7 
Additional Transmit signal differential pairs for the 
SuperSpeed USB data path on USB1 
O PCIE
AC coupled on Module
USB_SSRX2- 
USB_SSRX2+ 
C9 
C10 
Additional Receive signal differential pairs for the 
SuperSpeed USB data path on USB2 
I PCIE
USB_SSTX2- 
USB_SSTX2+ 
D9 
D10 
Additional Transmit signal differential pairs for the 
SuperSpeed USB data path on USB2 
O PCIE
AC coupled on Module
USB_SSRX3- 
USB_SSRX3+ 
C12 
C13 
Additional Receive signal differential pairs for the 
SuperSpeed USB data path on USB3 
I PCIE
USB_SSTX3- 
USB_SSTX3+ 
D12 
D13 
Additional Transmit signal differential pairs for the 
SuperSpeed USB data path on USB3 
O PCIE
AC coupled on Module
3.4.2
PCI Express x1
Signal
Pin #
Description
I/O
PU/PD
Comment
PCIE_TX6+ 
PCIE_TX6- 
D19 
D20 
PCI Express channel 6, Transmit Output 
differential pair. 
O PCIE
AC coupled on Module
PCIE_RX6+ 
PCIE_RX6- 
C19 
C20 
PCI Express channel 6, Receive Input 
differential pair. 
I PCIE
AC coupled off Module
PCIE_TX7+ 
PCIE_TX7- 
D22 
D23 
PCI Express channel 7, Transmit Output 
differential pair. 
O PCIE
Not available used by LAN
PCIE_RX7+ 
PCIE_RX7- 
C22 
C23 
PCI Express channel 7, Receive Input 
differential pair. 
I PCIE
Not available used by LAN
