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IDT sol'ns to streamline network synchronisation compliance

Posted: 29 Oct 2015 ?? ?Print Version ?Bookmark and Share

Keywords:IDT? network synchronisation? GNSS? T-BC? IEEE 1588?

Integrated Device Technology Inc. (IDT) has announced a hardware and software solution that promises to ease IEEE 1588 synchronisation of network communications equipment. The 82P339xx-1 products are composed of IEEE 1588-compliant software and IDT synchronisation management unit (SMU) chips that offer a complete telecom network synchronisation solution for IEEE 1588 and synchronous Ethernet, detailed the company.

Network synchronisation based on IEEE 1588 telecom boundary clocks (T-BC) is a practical and cost-effective alternative to deploying global navigation satellite system (GNSS) antennas at every node in the network. IEEE 1588 T-BC compliant with ITU-T G.8273.2 enable the recovery of accurate frequency and phase/time information over a packet-based network.


The IDT T-BC hardware is deterministic, simpler and more automated than alternative silicon solutions as it requires less external processor intervention. The hardware/software solution includes an IEEE 1588 protocol stack, clock recovery servos for frequency and phase/time, and clock synthesis hardware with physical layer frequency support.

The 82P339xx-1 SMUs automatically filter IEEE 1588 phase/time information and combine it with physical layer frequency information in accordance with ITU-T G.8273.2 to generate accurate, stable and low-jitter clocks. The phase/time and frequency filters are implemented in hardware to ensure deterministic filter bandwidths, eliminating the need for additional software processing.


The 82P339xx-1 product family is geared for a range of applications including base stations, access equipment, routers, switches, optical equipment and servers. Standards compliance has been validated and test reports are available with the results.

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