Superdome Servers - I/O Expansion Cabinet Guide, Fifth Edition

Appendix C
Terms and Acronyms
224
Table C-1 lists some terms and acronyms used in this document.
Table C-1 Terms and Acronyms
Term or Acronym Definition Notes
BPS Bulk Power Supply
Cabinet RBII-D rack in which I/O Expansion
components are installed
Chassis Sheet metal enclosure components
EMC Electromagnetic Compatibility
EMI Electromagnetic Interference
FRU Field Replaceable Unit
GSP Bus Guardian Service Processor Connection between Half Dome and IOX
cabinets. The GSP Bus cable was formerly
known as the USBe cable
Hot Swap To replace a failed component while the system
is operational
ICE I/O Chassis Enclosure Mechanical support and electrical interconnect
structure for two 12-slot I/O chassis
IOX Half Dome I/O Expansion
Cabinet
I/O expansion system for Half Dome. Consists of
RBII-D rack, utility and power modules, and up
to 3 ICE modules
PCA Printed Circuit Assembly
RBII-D Rosebowl II Rack with depth
extension
Rack System/E or HP’s latest generation 19
inch equipment rack with sheet metal depth
extension developed for N-Class. Conforms to
Electronic Industries Association (EIA)
standard 310-D, type A. RBII-D racks are
available in 25U, 33U and 41U heights.
RDM I/O Expansion Rear Display
Module
IOX component providing rear panel
information
SBCHL Single Board Computer Hub
Lite
U Modular Unit Height EIA310-D standard height for vertical rack
space. One “U” is equal to 44.45mm (1.75 in.).
UGUY Utilities Board
XFanB I/O Expansion Fan Board
XFPB I/O Expansion Front Panel
Board