Acronyms
These acronyms are focused on the timing system, but may contain other acronyms of the accelerator complex as well.
Unclear Acronyms
acronyms to be clarified are marked
bold
.
GMT, General Machine Timing system (GMT is also known as Greenwich Mean Time)
FEC, Forward Error Correction or Front-End Controller
CS, the accelerator Control System (do we have a name for this?)
Acronyms
Unclear Acronyms
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
A
ACCNET: ACCelerator NETwork, technical accelerator network
ACU: Adaptive Control Unit, modular FPGA based control unit, special type of [TimingSystemAcronyms#F][FEC]]
B
BEP, Bit Error Probability, term used within
FEC
BER, Bit Error Ratio, term used within
FEC
BMC, Best Master Clock, term used by
PTP
BuTiS, Bunchphase-Time Synchronization System, distributed highly precise clock
C
C1/2, Corrected sine signal 1 and 2, term used by
BuTiS
CS
, Control System
D
DDS, Direct Digital Synthesizer, frequency synthesizer, used for re-synthesis of
BuTiS
T0 clock
E
EPU, Event Processing Unit, digests event sequences from
LSA
, and converts them into an event stream
F
FEC
, Front End Controller
FECo
, Forward Error Correction
FEP, Frame Error Protection, term used by
FEC
FESA,
Front-End Software Architecture
, device model framework and driver package
G
GigE,
Gigabit Ethernet
.
GMT
, General Machine Timing system. Based on
WR
.
GPS,
Global Positioning System
H
I
J
K
L
LSA, LHC Software Architecture, settings management framework. It uses the
TM
LS1/LP0, Local reference signals S1/P0, term used by
BuTiS
M
MCS, Master Cycle Sequencer, coordinates beams and cycles throughout the accelerators
N
O
P
P0, Pulse signal 0 (100kHz), term used by
BuTiS
PTP,
Precision Timing Protocol
, high precision time protocol for synchronization within
RTE
Q
R
RTE, Real-Time Ethernet
S
S1/2, Sine signal 1 (10MHz) and 2 (200MHz), term used by
BuTiS
SCA, Scalable Control Unit, standard controller at FAIR
SDB,
Self Describing Bus
SyncE,
Synchronous Ethernet
T
T0, Time 0, corrected clock identifier (originally
P0
, term used by
BuTiS
TM, Timing Master, used by
LSA
to creates sequence programs for
EPU
TR, Timing Receiver
U
UTC,
Coordinated Universal Time
V
W
WR,
White Rabbit
X
Y
Z
--
DietrichBeck
- 01 Mar 2011
This topic: Timing
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Topic revision:
19 Sep 2016, MichaelReese
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