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M3601Q 16+16 Port 40Gb/s InfiniBand Switch User Manual
1.1
InfiniBand Connectors
InfiniBand connectivity has 8 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 InfiniBand ports has two LEDs located next to the connector. The green LED, when lit,
indicates that a valid physical connection to the other system (switch or HCA port) exists. The yel-
low LED when lit, indicates that the Subnet Manager is running and a valid data link exists. 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 have not been estab-
lished.
LED Name
Physical Link - Green
Data Activity - Yellow
1.2
Switch Status Lights
The switch Status lights indicate whether the switch is receiving power from the chassis, and the
state of the switch.
The I/O Module is on and
ready when both the blue and
green LEDs are lit.
Figure 2: Physical and Logical Link Indication LEDs
Connection Status
Off – No Physical Link
ON – Physical Link
Blinking – indicates Data Transfer
Constant on – indicates Link exists
with no Data Transfer taking place
Off with green LED lit – indicates that
the Subnet Manager may not be
running
Figure 3: Indicator LEDs
Mellanox Technologies
This LED can be blue or
amber. A fault is indicated
when the amber LED is blink-
ing. See Table 3.
7
Rev 1.7
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