National Instruments NI PCIe-836x 用户手册

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The card edge connector allows you to use the NI PCIe-836x in a x1 or 
wider PCI Express slot in a PC. The PCI Express Card Electromechanical 
Specification defines this connector.

The PCI Express Base Specification defines a PCI Express switch as a 
logical collection of PCI Express-to-PCI Express bridge devices. On the 
NI PCIe-8362, the upstream port of the switch is connected to the 
PCI Express x1 card edge connector, and the two downstream ports are 
connected to the two cabled PCI Express connectors.

The cabled PCI Express connector provides all necessary signals to connect 
an NI PCIe-836x and an NI PXI-8360. These signals include the 
PCI Express transmit and receive pair, the system clock, and a presence 
detect signal.

The PCI Express Base Specification defines a PCI Express-to-PCI bridge 
as a device that connects a PCI Express fabric and a PCI hierarchy. On the 
NI PXI-8360, the PCI Express-to-PCI bridge connects the x1 PCI Express 
link and the PCI bus in a PXI or CompactPCI chassis.

The LEDs on MXI-Express give status information about power supplies 
and link state. The NI PCIe-8362 has two tri-color LEDs, one for each port 
on the panel. The NI PXI-8360 has two LEDs, one for power supply status 
and one for link state.