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A Fully Bidirectional Optical Network With Latency Monitoring Capability for the Distribution of Timing-Trigger and Control Signals in High-Energy Physics Experiments

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10 Author(s)
Papakonstantinou, I. ; PH Dept., CERN-Eur. Organ ization for Nucl. Res., Geneva, Switzerland ; Soos, C. ; Papadopoulos, S. ; Detraz, S.
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The present paper discusses recent advances on a Passive Optical Network inspired Timing-Trigger and Control scheme for the future upgrade of the TTC system installed in the LHC experiments' and more specifically the currently known as TTCex to TTCrx link. The timing PON is implemented with commercially available FPGAs and 1-Gigabit Ethernet PON transceivers and provides a fixed latency gigabit downlink that can carry level-1 trigger accept decisions and commands as well as an upstream link for feedback from the front-end electronics.

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Nuclear Science, IEEE Transactions on  (Volume:58 ,  Issue: 4 )