Power775 UEPO Cable Service Procedure
PN: 41U8503, EC N44172
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1.4
Acronyms / Abbreviations
Acronym/Abbreviation Definition
Details
BPA
Bulk Power Assembly
BPE populated with BPCH, BPD, BPRs, & BPFs
BPCH
Bulk Power Controller Hub
Referred to as BPC on the HMC
BPD
Bulk Power Distributor
BPE
Bulk Power Enclosure
BPF
Bulk Power Fan
CB
Circuit Breaker
Branch circuit wall CB or PDU CB is part of
customer’s facilities power infrastructure
CEC
Central Electronics Complex
Also referred to as the NODE-P7IH on the Rating
Labels
DCCA
Distributed Converter and Control
Assembly
The Power Supply for CEC and DE are called the
CEC DCCA and DE DCCA, respectively
DE Disk
Enclosure
EDFI
Error Detection / Fault Isolation
Power/Thermal firmware diagnostic function
FRU
Field Replaceable Unit
FSP
Flexible Service Processor
GPFS
Global Parallel File System
IBM’s file system utilizing software RAID
HDD
Hard Disk Drive
This also means hard drive
HMC
Hardware Maintenance Console
HPC
High Performance Computing
LED
Light Emitting Diode
LIC
Licensed Internal Code
Specifically Power/Thermal firmware in this
procedure’s context
MTMS
Machine Type, Model, Serial #
PCB
Printed Circuit Board
RAID
Redundant Array of Inexpensive
Disks
SAS
Serial Attached SCSI
Protocol used for direct attached storage
SFP
Service Focal Point
Service application on the HMC
SSR
System Service Representative
IBM Field Service personnel
SSD
Solid State Drive
UEPO
Unit Emergency Power Off
Table 4 Acronyms / Abbreviations
