Dell POWEREDGE M1000E - Manual (Page 9)

InfiniBand Blade Switch I/O Module for PowerEdge M-Series Rev 1.0
Mellanox Technologies 9
Figure 2: Physical and Logical Link Indication LEDs
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.
Figure 3: Indicator LEDs
Table 3 - IOM states and LED configurations:
LED
Switch Status
Indication Green Status
OFF OFF OFF
ON OFF Boot in Progress
Switch not ready
LED Name Connection Status
Physical Link - Green Off – No Physical Link
ON – Physical Link
Data Activity - Yellow
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
The IO Module is on and
ready when both the blue
and green LEDs are lit. This LED can be blue or
amber. A fault is indicated
when the amber LED is
blinking. See Table 3.