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Interfaces
InfiniBand Interface
The network ports of the ConnectX®-6 adapter cards are compliant with the
InfiniBand Architecture
Specification, Release 1.3.
InfiniBand traffic is transmitted through the cards' QSFP56 connectors.
Ethernet QSFP56 Interfaces
The network ports of the ConnectX-6 adapter card are compliant with the IEEE 802.3 Ethernet
standards listed in Features and Benefits. Ethernet traffic is transmitted through the QSFP56
connectors on the adaptercard.
PCI Express Interface
ConnectX®-6 adapter cards support PCI Express Gen 3.0/4.0 (1.1 and 2.0 compatible) through x8/x16
edge connectors. The device can be either a master initiating the PCI Express bus operations, or a
slave responding to PCI bus operations.
The following lists PCIe interface features:
PCIe Gen 3.0 and 4.0 compliant, 2.0 and 1.1 compatible
2.5, 5.0, 8.0, or 16.0 GT/s link rate x16/x32
Auto-negotiates to x32, x16, x8, x4, x2, or x1
Support for MSI/MSI-X mechanisms
LED Interface
There are two I/O LEDs per port:
LED 1 and 2: Bi-color I/O LED which indicates link status. LED behavior is described below for
Ethernet and InfiniBand port configurations.
The adapter card includes special circuits to protect from ESD shocks to the card/server when
plugging copper cables.
The adapter card includes special circuits to protect from ESD shocks to the card/server when
plugging copper cables.
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