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Precision Time Protocol (PTP)

  • Assisted partial timing support (APTS) over Precision Time Protocol (ACX7024)—Assisted partial timing support (APTS) is a Global Navigation Satellite System (GNSS) backed by Precision Time Protocol (PTP), which delivers accurate timing and synchronization in mobile backhaul networks. ACX7024 supports APTS.

    [See Assisted Partial Timing Support on Routing Platforms.]

  • Support for configurable hold over time interval (ACX7024)—In an APTS setup when both GNSS and the PTP timing reference are lost or inactive, then the internal clock oscillator can provide synchronization. This functionality is enabled by default with a duration of 240 minutes. To configure this functionality, set the required duration in the newly introduced set protocols ptp holdover-in-spec-duration command on ACX7024.

    [See ptp.]

  • [See G.8275.1 Telecom Profile, Guidelines for Configuring PTP over Ethernet, and Hybrid Mode.]