M3601Q 16+16 Port 40Gb/s InfiniBand Switch User Manual
Mellanox Technologies
Rev 1.1
8
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
Blinking Blue
ON
BLINKING BLUE
The CMC is identifying
the newly installed switch
ON
ON BLUE
Switch is on and operating Normally
ON
ON or BLINKING
AMBER
Fault in System
Self-diagnosed
OFF
ON or BLINKING
AMBER
Fault in System
CMC-detected
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 blink-
ing. See Table 3.
