Dell SwitchX M4001Q User Manual - Page 9
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InfiniBand Blade Switch I/O Module for PowerEdge M-Series
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 IO Module is on and
ready when both the blue
and green LEDs are lit.
Table 3 - IOM states and LED configurations:
Indication
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
LED
Green
OFF
ON
This LED can be blue or
amber. A fault is indicated
when the amber LED is
blinking. See Table 3.
Switch Status
Status
OFF
OFF
Boot in Progress
Switch not ready
OFF
Mellanox Technologies
Rev 1.2
9