Dell Mellanox Family of Adapters - Manual (Page 15)

User Manual for Mellanox ConnectX®-3 10/40 Gigabit Ethernet Adapters for Dell PowerEdge Servers Rev 1.1
Mellanox Technologies 15
2 Adapter Card Interfaces
2.1 I/O Interfaces
Each adapter card includes the following interfaces:
• High speed port:
• QSFP+ for the 40GbE Network Adapters
• SFP+ for the 10GbE Network Adapters
• Backplane connection to the M1000e chassis for the 10GbE KR Blade Mezzanine Card
• PCI Express (PCIe) x8 edge connector
• I/O panel LEDs (does not apply with Mellanox ConnectX-3 Dual Port 10GbE KR Blade
Mezzanine Card)
2.1.1 Ethernet QSFP+/ SFP+ Interface
Note: This section does not apply to Mellanox ConnectX-3 Dual Port 10GbE KR Blade Mezza-
nine Card.
The network ports of the ConnectX-3 adapter cards are compliant with the IEEE 802.3 Ethernet
standards. The QSFP+ port has four Tx/Rx pairs of SerDes. The SFP+ port has one Tx/Rx pair of
SerDes. Ethernet traffic is transmitted through the cards' QSFP+ or SFP+ connectors.
2.1.2 LED Assignment
There is a one bicolor link LED, green and yellow, and a green color activity LED located on the
I/O panel. Link LED color is determined by link speed. See
Table 3 and Table 4 for different
LED functions.
Note: This section does not apply to Mellanox ConnectX-3 Dual Port 10GbE KR Blade Mezza-
nine Card.
Table 3 - LED Assignment for 10GbE SFP+ Network Adapters
Link LED (Bicolor -
Green and Yellow)
Activity LED (Green) Function
Off Off No link present
Yellow Off
1 Gb/s link is present
a
a. 1 Gb/s Link Speed is only supported with 1 Gb/s optics. No 1 Gb/s optics are currently supported.
Green Off 10 Gb/s link is present
Yellow Blinking Green Speed lower than the maximum is active
Green Blinking Green Maximum supported speed is active