Dell PowerEdge M520 User Manual - Page 10

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Dell PowerEdge M520 User Manual
Rev 1.0
2.4

LED Indicators

2.4.1 System LEDs

The system status LEDs indicate whether the PTM is receiving power from the chassis, and the
state of the PTM.
There are two system LEDs on the end of the module. The LED indications and meanings are
explained in the figure and table below.
The IO Module is on and
ready when this LED is
green.
Table 3 - PTM states and LED configurations:
Indication
Blinking Blue

2.4.2 Port LEDs

The PTM has two I/O LEDs per port. The I/O LEDs are located on the I/O panel. The green LED,
when lit, indicates that the driver is running and a valid physical connection between nodes exists.
If the green LED is blinking, it indicates a problem with the physical link. The yellow LED when
lit, indicates a valid data activity link, this is the logical link. The yellow LED illuminates when the
network is discovered over the physical link. A valid data activity link without data transfer is des-
10
Figure 5: Indicator LEDs
LED
Status
OFF
OFF
BLINKING BLUE
ON BLUE
ON or BLINKING
AMBER
ON or BLINKING
AMBER
This LED can be blue or
amber. A fault is indicated
when the amber LED is blink-
ing. See Table 3.
Module Status
Power
OFF
ON
Boot in Progress
PTM not ready
ON
The CMC is identifying
the newly installed PTM
ON
PTM is on and operating Normally
ON
FW update is in progress or
Fault in System
Self-diagnosed
OFF
Fault in System
CMC-detected
Installation and Basic Operation
OFF