14
Interfaces
Ethernet SFP28 and QSFP28 Interfaces
The network ports of the ConnectX®-5 adapter card are compliant with the IEEE 802.3 Ethernet
. Ethernet traffic is transmitted through the SFP28/QSFP28
connectors on the adapter card.
PCI Express Interface
The table below describes the supported PCIe interface in ConnectX-5 and ConnectX-5 Ex adapter
cards.
IC Model
Supported PCIe Interface
Features
ConnectX-5
PCIe Gen 3.0 (1.1 and 2.0 compatible)
through x16 edge connectors
Link Rates: 2.5. 5.0 or 8.0GT/s.
Auto Negotiation to: x16, x8, x4, x2 or
x1.
Support for MSI/MSI-X mechanisms.
ConnectX-5 Ex
PCIe Gen 3.0/4.0 (1.1 and 2.0 compatible)
through x16 edge connectors
Link Rates: 2.5. 5.0, 8.0 or 16.0GT/s.
Auto Negotiation to: x16, x8, x4, x2 or
x1.
Support for MSI/MSI-X mechanisms.
LED Interface
There are two I/O LEDs, LED0 and LED1, per port to indicate speed and link status. LED0 is a bicolor
(yellow and green) LED and LED1 is a single color (green) LED.
Link Indications
LED and State
Description
1Hz blinking Yellow
Beacon command for locating the adapter card
The adapter card includes special circuits to protect from ESD shocks to the card/server when
plugging copper cables.
