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8
2 Installation and Basic Operation
2.1
Switch Platform Hardware Overview
Figure 1 shows the front panel view of the switch.
2.1.1 InfiniBand Connectors
InfiniBand connectivity has 8 CX4 microGiGa connectors through the front panel. The remaining
16 interfaces are through the AirMax Midplane Connector out the back of the switch. Figure 1
shows the front 8 ports.
Each of the front panel connectors has two LEDs located next to the connector. The green LED,
when lit, indicates that the InfiniBand driver is running and a valid physical connection between
nodes exists. The yellow LED when lit, indicates a valid data activity link, this is the logical link.
The yellow LED illuminates when the InfiniBand network is discovered over the physical link. A
valid data activity link without data transfer is designated by a constant yellow LED indication. A
valid data activity link with data transfer is designated by a blinking yellow LED indication. If the
LEDs are not active, either the physical link or the logical link (or both) connections has not been
established.
Constant on indicates no Data Transfer
Rev 1.0
Figure 1: Switch Front Panel and Locking Mechanism
Locking Mechanism
Figure 2: Physical and Logical Link Indications LEDs
LED Name
Physical Link - Green
Data Activity - Yellow
Blinking indicates Data Transfer
Mellanox Technologies
Switch Status Lights
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