For the High-Luminosity LHC (HL-LHC) era, the trigger and data acquisition system of the CMS experiment will be entirely replaced. The HL-LHC CMS Level-1 Trigger system will consist of approximately 200 ATCA boards featuring Xilinx UltraScale+ FPGAs connected by 25 Gb/s optical links. These boards will process over 60 Tb/s of detector data within 9.5 μs of the collision to select up to 750 kHz of events for readout. In this paper, we summarise the current status of hardware tests, our progress on system integration tests, and the online software designed to control and monitor these boards.

中文翻译：

---

高亮度 LHC CMS 1 级触发器的系统设计和原型设计

对于高亮度大型强子对撞机（HL-LHC）时代，CMS实验的触发和数据采集系统将被完全取代。 HL-LHC CMS 1 级触发系统将由大约 200 个 ATCA 板组成，这些板采用 Xilinx UltraScale+ FPGA，通过 25 Gb/s 光链路连接。这些板将在碰撞后 9.5 μs 内处理超过 60 Tb/s 的探测器数据，以选择高达 750 kHz 的事件进行读出。在本文中，我们总结了硬件测试的现状、系统集成测试的进展以及设计用于控制和监控这些板的在线软件。