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Trigger/Data Acquisition
ROS
Read-Out System
ROB
Read-Out Buffer
ROBIN
Read-Out Buffer Input Stage
ROD
Read-Out Driver
ROL
Read-Out Link
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Level 2 Supervisor
DFM
Data Flow Manager - The DFM orchestrates the correct flow of data fragments between ROSs and SFIs. It is triggered by the L2SV, load balances the event building tasks on the SFIs and ensures that the ROSs do not overflow their internal memory buffers.
SFI
Sub-Farm Input
SFO
Sub-Farm Output
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Timing, Trigger and Control
LTP
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CTP
Central Trigger Processor - The component that generates the LVL1 Trigger
MUCTPI
Muon to CTP Interface
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Underground services area 15 (ATLAS electronics cavern)