SAS enclosure doesn't restart - MSA60
The Storageworks MSA60 enclosure has a "soft" power button. It does not power on automatically. When the power cables are connected, the unit defaults to a standby state.
Here's the rear of the HP StorageWorks MSA60 enclosure...
On the right side of the rear of the unit, there's a module next to the right power supply which has a soft power button in the upper-right of the module, using the universal standby signal.