Item Indicator Description
• OFF—Array is in the OFF or Standby state.
• Flashing amber — Array warning condition. See Table 3.
• Steady amber — Array critical condition. See Table 3.
• Steady blue — Normal operating state.
• Flashing blue —System ID engaged.
3 Serial ports Enable you to connect a computer directly to the array.
• The serial port for control module 0 (CM0) is on the left.
• The serial port for control module 1 (CM1) is on the right.
The serial ports are set to 9600 baud, 8 data bits, 1 stop bit, no parity, and no
flow control.
4 Array handle release but-
tons (top and bottom)
Unlocks the array enclosure's handle and use the handle to remove the array
enclosure from the chassis.
5 Express Service Tag Pull this tag to see the unit's Dell Express Service Tag number. This number
is usually required if you need technical support.
Table 2: Drive LED Descriptions
1
Green Element Amber Element Description
OFF OFF Drive slot is empty
ON OFF One of these statuses:
• drive is online
• drive is ready
• drive is a spare
• foreign drive
• drive is spun down for removal
• new drive is present but not yet configured
into the RAID set
Flashing OFF Drive slot identification at user's request.
OFF ON One of these statuses:
• drive has failed
• drive is unsupported
Table 3: Warning and Critical Conditions
Condition Level Possible Reasons
Warning
• Non-critical hardware component failure
• Control module removed
• Cache syncing
• High or low temperature
1
All timing values are +/- 25 msec.
3
Dell EqualLogic PS-M4110 Hardware Owner's Manual Front Panel Features and Indicators
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