Technical Product Specification

Intel® Server Chassis SC5600 Glossary
Revision 1.1
Intel order number E39532-004
89
Word / Acronym Definition
Over-current A condition in which a supply attempts to provide more output current than the amount for which
it is rated. This commonly occurs if there is a ‘short circuit’ condition in the load attached to the
supply.
OVP Over Voltage Protection
PDB Power Distribution Board
PFC Power Factor Correction
PMBus Power Management Bus
PSU Power Supply Unit
PWM Pulse Width Modulate
ppm Parts per million
PWOK A typical logic level output signal provided by the supply that signals the Server System that all
DC output voltages are within their specified range
RI Ring Indicate
Ripple The periodic or random signals over frequency band of 10 Hz to 20 MHz.
Rise Time The time it takes any output voltage to rise from 10% to 95% of its nominal voltage.
Sag The condition where the AC line voltage drops below the nominal voltage conditions
SAS Serial Attached SCSI
SATA Serial ATA
SCA Single Connector Attachment
SCSI Small Computer System Interface
SDK Software Development Kit
SDR Sensor Data Record
SE Single-Ended
SES SCSI Enclosure Service
SGPIO Serial General Purpose Input/Output
SMBUS System Management Bus
SSI Server System Infrastructure
Surge AC line voltage rises above nominal voltage
TACH Tachometer
THD Total Harmonic Distortion
UART Universal Asynchronous Receiver Transmitter
USB Universal Serial Bus
VCCI Voluntary Control Council for Interference
VSB or Stand
By
An output voltage that is present whenever AC power is applied to the AC inputs of the supply.