Figure 29. 10Gbase-T iSCSI ports
LED Description Color Status
iSCSI 10Gbase-T link speed Green On—10GbE link speed
Amber On—1GbE link speed
None Off—Not connected or link is down
ACT iSCSI 10Gbase-T link
activity
Green On—Connected, link is up
Flashing—Link activity
Off—Not connected or link is down
The following figure shows the host port LEDs on a 12 Gb/s SAS controller module:
Figure 30. 12 Gb/s SAS ports
LED
Description Color Status
SAS port status Green On—Connected, link is up
Green or amber Flashing—Link activity
Amber On—Connected, partial link is up
None Off—Not connected or link is down
Cache status LED details
This section describes the behavior of the LEDs during powering on and off and cache status behavior.
Power on/off behavior
During power on, discrete sequencing for power on display states of internal components is reflected by blinking patterns
displayed by the Cache Status LED.
Table 7. Cache Status LED – power on behavior
Item Display states reported by Cache Status LED during power on sequence
Display state 0 1 2 3 4 5 6 7
Component VP SC SAS BE ASIC Host Boot Normal Reset
Blink pattern On 1/Off 7 On 2/Off 6 On 3/Off 5 On 4/Off 4 On 5/Off 3 On 6/Off 2 Solid/On Steady
Once the enclosure has completed the power on sequence, the Cache Status LED displays Solid/On (Normal), before assuming
the operating state for cache purposes.
24
Storage system hardware
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