Dell DD and PowerProtect Hardware 8.0 Features and Specifications

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Back panel

The back panel has two dual power supplies and two LCCs (Link Controller Cards).

DS60 Back Panel — Figure 1. DS60 back panel

Each controller has 4 SAS ports (laid out as 2 pairs). Standard systems and systems with the licensed HA feature only use ports 0 and 2 on each controller. Ports 1 and 3 typically have a plastic plug blocking the unused ports to make inserting a cable into the correct ports easier.

Table 1. Status lights visible from rear of disk enclosure
Light	Quantity	Color	Meaning
Controller power	1 per controller	Green	On when the Controller is powered on.
Controller fault	1 per controller	Amber	On when either the Controller or a SAS connection is faulty. On during power-on self test.
Link active	4 per controller	Blue	On when the host connection is active.
Power supply input voltage	1 per power supply	Green	Input power green when it is working.
Power supply fault*	1 per power supply	Amber	On when the power supply is faulty or is not receiving AC line voltage. Flashing when either a multiple blower or ambient over temperature condition has shut off DC power to the system.

The DS60 continues to run with a single power supply and two fans (out of the three fans).