IBM DS3500, Installation, User & Maintenance Manual

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iSCSI activity LED (green)
When this LED is lit, it indicates that the link is established with the
controller. When this LED is flashing, there is activity on this port. When this
LED is off, no link is established with this port.
iSCSI speed LED (amber)
When this LED is lit, it indicates that the port is operating at 1000 Mbps.
When this LED is off, it indicates that the speed of the port is 100 Mbps.
If the optional Fibre Channel host port adapter is installed in the RAID 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 6. 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
iSCSI
activity
LED iSCSI
speed
LED
Figure 71. iSCSI host port adapter LEDs
Figure 72. Fibre Channel host port adapter LEDs
Chapter 4. Operating the storage subsystem and expansion enclosure
77