A Scheme for the ATLAS Read-Out Organization
نویسندگان
چکیده
This paper describes a possible organization of the ATLAS read-out system. It is based on the ROB Complex concept which assumes that a read-out unit is formed by several input buffer modules sharing a network interface to a common Trigger/DAQ data collection network. An implementation of such ROB Complex is presented, which is based on a PCI bus connecting readout buffers, control processor and a network interface card. Total number of required ROB Complexes, as well as the number of CompactPCI crates housing them are estimated. The results obtained from measurements on the ROB Complex prototype integrated in the ATLAS Level 2 Trigger ATM Testbed are given. The feasibility of data preprocessing within the ROB Complex is shown.
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