connectors with corresponding LEDs. These LEDs indicate the link and activity of each
SAS connector for input and output to devices.
Disconnect power to the DAE when changing the ICM.
Table 38 ICM bus status LEDs
LED Color State Description
Power fault Green On Power on
— Off Power off
Power on Amber On Fault
— Off No fault or power off
The ICM supports the following I/O ports on the rear:
l
Four 6 Gb/s PCI Gen2 SAS ports
l
One management (RJ-12) connector to the SPS (field service diagnostics only)
l
One USB connector
l
One 6 Gb/s SAS x8 ports
It supports four 6 Gb/s SAS x8 ports on the rear of the ICM (two inputs and two
outputs, one used in Gen1 hardware and two used in Gen2 hardware). This port
provides an interface for SAS and NL-SAS drives in the DAE.
Table 39
ICM 6 Gb/s port LEDs
LED Color State Description
Link/Activity Blue On Indicates a 4x or 8x connection with all lanes
running at 6 Gb/s.
Green On Indicates that a wide port width other than 4x
or 8x has been established or one or more
lanes is not running at full speed or
disconnected.
— Off Not connected.
Disk Drives
64 D- and U-Series Hardware Guide
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