IBM TotalStorage DS300, Hardware Installation And User'S Manual

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Power cord connector
Connect the power cord to this connector.
AC power on/off switch
Use this switch to turn the power supply on and off.
Power OK LED (green)
When this LED is lit, it indicates that the power supply is turned on.
Fault LED (amber)
When this LED is lit, there is a fault with either the power supply or a fan.
iSCSI RAID controller with one Ethernet connector (Model 1701-1RL)
The following illustration shows an iSCSI RAID controller with one Ethernet
connector (Model 1701-1RL).
Serial connectors (SP1 and SP2)
The serial connectors are for diagnostic purposes only.
Data and management iSCSI connector
The data and management connector is for ServeRAID Manager function
and iSCSI data traffic.
The following table lists the LEDs on the iSCSI RAID controller (Model 1701-1RL).
Table 3. iSCSI RAID controller (Model 1701-1RL) LEDs
LED symbol or
label Description Color Indication
Controller ready Green When this LED is lit, it indicates that the
controller has successfully started or restarted.
Not used
Cache dirty Amber When this LED is lit, it indicates that there is
data in the cache that has not been written to a
disk or synchronized to the redundant controller
cache.
Note: Do not remove a functioning RAID
controller if the cache-dirty LED is lit.
Figure 28. iSCSI RAID controller (Model 1701-1RL) LEDs, controls, and connectors
Chapter 4. Storage subsystem controls, LEDs, and power
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