How do i power a scsi hdd

I have a scsi drive. I've never used one before.... There is definetly no conventional 5-pin power plug on it.. So how do these things power up? i looked at a pin out from seagate of the 80-pin scsi connector and it showed power on there... So i am presuming the power is included in the scsi connector? So essentially all have to do is plug that in? Thanks guys

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