|I'm not familiar wiith the scaleo but the tape drive should connect up like any other drive with the 4-wire molex connector from the power supply. Also, if it's a server it may have on-board SCSI support. Many older servers did. You may want to check the manual.|
There are two types of SCSI data cables. The tape drive should take the older type--a 50-wire, but you should probably verify that first. It looks like the old-style IDE cable but wider. Then newer type has 68 wires and a different connector. There's some info here:
You could just get a PCI SCSI card. The adaptec 2940UW is pretty good. You can do an ebay search and find several. There's some there you can get for less than $10 including shipping. Here's one:
You might want to check the others there and see if any come with a data cable, if you need it.
You're not really green until you're soylent green.