C Glossary - Seagate OneStor SP-3584 Installation & User Manual

Appendix C
Glossary
Appendix C
Baseplane One of three PCBs in the drawer, parallel to the front bezel, that provide connections for
the DDICs.
DDIC Disk Drive In Carrier.
GEM Generic Enclosure Management – the software that controls all programmable components in
the enclosure.
IATA International Air Transport Association.
Midplane A PCB in the middle of the enclosure into which the PSUs, cooling modules, SBB I/O
modules and drawer cables are connected.
PSU Power Supply Unit.
SAS Serial Attached SCSI (Small Computer System Interface).
SATA Serial ATA (Advanced Technology Attachment).
SBB Storage Bridge Bay – An enclosure specification by the SBB Working Group (www.sbbwg.org).
Sideplane One of two PCBs in the drawer, running down each side, that provides connections from
the baseplane to the rest of the enclosure.
U The Electronic Industries Association (EIA) measurement unit for the height of equipment in a
19"rack. 1U is 1.75 inches (44.45mm).
VPD Vital Product Data.
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