A precise and stable timing system is necessary for high
intensity proton accelerators such as the J-PARC. The existing timing
system, which was developed during the construction period of the
J-PARC, has been working without major issues since 2006. After a
decade of operation, the optical modules, which are key components for
signal transfer, were discontinued already. Thus, the next-generation
timing system for the J-PARC is under development. The new system is
designed to be compatible with the existing system in terms of the
operating principle. The new system utilizes modern high speed signal
communication for the transfer of the clock, trigger, and type code.
We present the system configuration of the next-generation timing
system and current status.
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