Battery charging LED (green)
When this LED is lit, the battery is fully charged. When this LED is blinking, the battery is
charging. When this LED is off, the battery either failed or has been removed from the controller.
Battery fault LED (amber)
When this LED is lit, it indicates that the battery fails to hold a charge and should be replaced.
The normal condition of this LED is off.
If the optional Fibre Channel host port adapter is installed in the controller, the host port adapter contains
four additional Fibre Channel host connectors with LEDs.
Fibre Channel speed LEDs 2 Gbps and 4 Gbps
These LEDs in combination indicate the speed of the Fibre Channel host port.
Table 13. Fibre Channel port LEDs
2 Gbps LED 4 Gbps LED Host port speed
On Off 2 Gbps
Off On 4 Gbps
On On 8 Gbps
Off Off No SFP module is present or the SFP module is
faulty
If the optional SAS host port adapter is installed in the controller, the host port adapter contains two
additional SAS host connectors with LEDs.
SAS link service action LED (amber)
When this LED is lit, it indicates a problem with the SAS link that requires service action. The
normal condition of this LED is off.
Figure 51. Fibre Channel host port adapter LEDs
SAS link service
action (amber)LED
SAS link up LED
Figure 52. SAS host port adapter LEDs
Chapter 4. Operating the DCS3700 storage system and expansion enclosure 75
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