To Apply Power to the System
FIGURE 1
LEDs and Attention (ATTN) Button
Each port has a corresponding set of LEDs that provide a visual indication of the operating
state.
Table 6, “LED Indicator Combinations,” on page 25
summarizes the LED indicator
combinations, and their meanings. Refer to
Figure 1, “LEDs and Attention (ATTN) Button,” on
to determine the location of the LEDs.
TABLE 6
LED Indicator Combinations
Green LED
Yellow LED
Status
Off
Off
No power or normal link down
Off
On
POST failure or invalid SFP
configuration
Off
On
Normal (Link up with no activity on
the link)
Blink
On
Normal (Link up with activity on the
link)
Chapter 2 • HBA Installation, Configuration, and Removal
25
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