CMX Common Merger Extended Module. CP Cluster Processor: the L1Calo subsystem comprising the CPMs. CPM Cluster Processor Module. CTP Central Trigger Processor DAQ Data Acquisition DCS Detector Control System: the ATLAS system that monitors and controls physical parameters of the sub-systems of the experiment, such as gas pressure, flow-rate, high voltage settings, low-voltage power supplies, temperatures, leakage currents, etc. ECAL The electromagnetic calorimeters of ATLAS, considered as a single system. ECR Event Counter Reset signal from the TTC, used to initiate clearing of ROD memories eFEX Electron Feature Extractor. FEX Feature Extractor, referring to either an eFEX or jFEX module or subsystem. FIFO A first-in, first-out memory buffer. FPGA Field-Programmable Gate Array. HCAL The hadronic calorimeters of ATLAS, considered as a single system. IPbus An IP-based protocol implementing register-level access over Ethernet for module control and monitoring. IPMB Intelligent Platform Management Bus: a standard protocol used in ATCA shelves to implement the lowest-level hardware management bus. IPM Intelligent Platform Management Controller: in ATCA systems, that portion Controller of a module (or other intelligent component of the system) that interfaces to the IPMB. IPMI Intelligent Platform Management Interface: a specification and mechanism for providing inventory management, monitoring, logging, and control for elements of a computer system. A component of, but not exclusive to, the ATCA standard. JEM Jet-Energy Module. JEP Jet-Energy Processor: the L1Calo subsystem comprising the JEMs. jFEX Jet Feature Extractor. JTAG A technique, defined by IEEE 1149.1, for transferring data to/from a device using a serial line that connects all relevant registers sequentially. JTAG stands for Joint Technology Assessment Group. L0A In Run 4, the Level-0 trigger accept signal. L0Calo In Run 4, the ATLAS Level-0 Calorimeter Trigger. L1A The Level-1 trigger accept signal. L1Calo The ATLAS Level-1 Calorimeter Trigger. LHC Large Hadron Collider.
CMX Common Merger Extended Module. CP Cluster Processor: the L1Calo subsystem comprising the CPMs. CPM CTP Cluster Processor Module. Central Trigger Processor DAQ Data Acquisition DCS Detector Control System: the ATLAS system that monitors and controls physical parameters of the sub-systems of the experiment, such as gas pressure, flow-rate, high voltage settings, low-voltage power supplies, temperatures, leakage currents, etc. ECAL The electromagnetic calorimeters of ATLAS, considered as a single system. ECR Event Counter Reset signal from the TTC, used to initiate clearing of ROD memories eFEX Electron Feature Extractor. FEX Feature Extractor, referring to either an eFEX or jFEX module or subsystem. FIFO A first-in, first-out memory buffer. FPGA Field-Programmable Gate Array. HCAL The hadronic calorimeters of ATLAS, considered as a single system. IPbus An IP-based protocol implementing register-level access over Ethernet for module control and monitoring. IPMB Intelligent Platform Management Bus: a standard protocol used in ATCA shelves to implement the lowest-level hardware management bus. IPM Controller Intelligent Platform Management Controller: in ATCA systems, that portion of a module (or other intelligent component of the system) that interfaces to the IPMB. IPMI Intelligent Platform Management Interface: a specification and mechanism for providing inventory management, monitoring, logging, and control for elements of a computer system. A component of, but not exclusive to, the ATCA standard. JEM Jet-Energy Module. JEP Jet-Energy Processor: the L1Calo subsystem comprising the JEMs. jFEX Jet Feature Extractor. JTAG A technique, defined by IEEE 1149.1, for transferring data to/from a device using a serial line that connects all relevant registers sequentially. JTAG stands for Joint Technology Assessment Group. L0A In Run 4, the Level-0 trigger accept signal. L0Calo In Run 4, the ATLAS Level-0 Calorimeter Trigger. L1A The Level-1 trigger accept signal. L1Calo The ATLAS Level-1 Calorimeter Trigger. LHC Large Hadron Collider.
Hub_Spec_v0_3.docx