Mellanox Technologies SFP+ User Manual download pdf (Page 17)

ConnectX®-3 Ethernet Single and Dual SFP+ Port Adapter Card User Manual Rev 1.6

Mellanox Technologies

2.1.1 Ethernet SFP+ Interface

The network ports of the ConnectX®-3 adapter cards are compliant with the IEEE 802.3 Ethernet

standards listed in Section 1.1.1, “10 Gigabit Ethernet,” on page 10. The SFP+ port has one Tx/Rx

pair of SerDes. Ethernet traffic is transmitted through the cards' SF

P+ connectors.

2.1.2 PCI Express Interface

The ConnectX®-3 adapter cards support PCI Express 3.0 (1.1 and 2.0 compatible) through an x4

or x8 edge connector. The device can be either a master initiating the PCI Express bus operations

or a slave responding to PCI bus operations.

2.1.3 LED Assignment

There are two I/O LEDs per port in dual-port designs and one bicolor LED in single-port designs,

green and yellow, located on the I/O panel. See Table 4 for different LED functions.

Table 4 - Physical and Logical Link Indication

LED Function

Green - physical link • Constant on indicates a good physical link

• If neither LED is lit, then the physical link has not been established

Yellow -

logical (data activity

link)

• A blinking yellow indicates

activity (data transfer)

• Stays off when there is no activity

The short bracket has the same port and LED footprints as the tall bracket.

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Mellanox Technologies SFP+ User Manual Page 17