ConnectX®-3 Pro Ethernet Dual SFP+ Port Adapter Card User Manual
Rev 1.0
Mellanox Technologies
13
2
Interfaces
Each adapter card includes the following interfaces:
•
“Ethernet SFP+ Interface”
•
“PCI Express Interface”
•
“I2C-compatible Interface”
•
“LED Interface”
Figure 1: MCX312B-XCCT Card
The adapter cards include special circuits to protect from ESD shocks to the card/server when
plugging copper cables.
2.1
Ethernet SFP+ Interface
The network ports of the ConnectX®-3 Pro adapter cards are compliant with the IEEE 802.3
Ethernet standards listed in
Table 4, “Features,” on page 11
. The SFP+ port has one Tx/Rx pair of
SerDes. Ethernet traffic is transmitted through the cards' SFP+ connectors.
2.2
PCI Express Interface
The ConnectX®-3 Pro adapter cards support PCI Express 3.0 (1.1 and 2.0 compatible) through
an x8 edge connector. 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 Base 3.0 compliant, 1.1 and 2.0 compatible
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