Design and development of the DAQ and Timing Hub for CMS Phase-2

Proceedings of Topical Workshop on Electronics for Particle Physics — PoS(TWEPP2018) Pub Date : 2019-06-07 DOI:10.22323/1.343.0129

J. Hegeman, J. Andre, U. Behrens, A. Bocci, J. Branson, S. Cittolin, D. D. S. Gomes, G. Darlea, C. Deldicque, Z. Demiragli, M. Dobson, N. Doualot, S. Erhan, J. Fulcher, D. Gigi, M. Gladki, F. Glege, G. Gomez-Ceballos, M. Hansen, A. Holzner, M. Lettrich, A. Mecionis, F. Meijers, E. Meschi, R. Mommsen, S. Morović, V. O’dell, S. J. Orn, L. Orsini, I. Papakrivopoulos, C. Paus, A. Petrucci, M. Pieri, D. Rabady, A. Rácz, V. Rapsevicius, T. Reis, H. Sakulin, C. Schwick, D. Simelevicius, M. Stankevičius, J. Troska, C. V. Vélez, Christian Wernet, P. Zejdl

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引用次数: 1

Abstract

The CMS detector will undergo a major upgrade for Phase-2 of the LHC program, starting around 2026. The upgraded Level-1 hardware trigger will select events at a rate of 750 kHz. At an expected event size of 7.4 MB this corresponds to a data rate of up to 50 Tbit/s. Optical links will carry the signals from on-detector front-end electronics to back-end electronics in ATCA crates in the service cavern. A DAQ and Timing Hub board aggregates data streams from back-end boards over point-to-point links, provides buffering and transmits the data to the commercial data-to-surface network for processing and storage. This hub board is also responsible for the distribution of timing, control and trigger signals to the back-ends. This paper presents the current development towards the DAQ and Timing Hub and the design of the first prototype, to be used as for validation and integration with the first back-end prototypes in 2019-2020.

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CMS二期数据采集与定时中心的设计与开发

CMS探测器将在2026年左右开始进行大型强子对撞机项目的第二阶段的重大升级。升级后的一级硬件触发器将以750千赫的频率选择事件。在预期的事件大小为7.4 MB时，这相当于高达50 tbps的数据速率。光学链路将把信号从探测器前端电子设备传输到服务洞穴中ATCA板条箱中的后端电子设备。DAQ和Timing Hub板通过点对点链路聚合来自后端板的数据流，提供缓冲，并将数据传输到商业数据对地网络进行处理和存储。这个集线器板还负责向后端分配定时、控制和触发信号。本文介绍了DAQ和时序中心的当前发展以及第一个原型的设计，将在2019-2020年用于验证和集成第一个后端原型。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Proceedings of Topical Workshop on Electronics for Particle Physics — PoS(TWEPP2018)

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