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Carrier-grade time and synchronisation modules
29 May 2019, Telecoms, Datacoms, Wireless, IoT

Microchip Technology announced, via its Microsemi subsidiary, additions to its precision time protocol (PTP) PackeTime portfolio, including the TimeProvider 4100 Release 2.0. The additions provide solutions to one of the biggest 5G network deployment challenges of synchronising higher volumes of more densely packed base stations. Another challenge is keeping services operating through global navigation satellite system (GNSS) lapses due to vulnerabilities such as jamming, spoofing or loss of signal.

The TimeProvider release adds 10 Gigabit Ethernet (GE) support, a boundary clock operation mode that lowers operational costs, and other enhancements to improve how timing flows are distributed from multiple sources to a network’s base stations and other endpoints. TimeProvider 4100 2.0 with its 10 GE expansion module has been selected by SK Telecom in Korea for delivery of 5G services in the Seoul metropolitan area and Chungcheong province.

Extending the TimeProvider 4100’s gateway clock operation mode with Microchip’s high-performance boundary clock (HP-BC) operation mode enables it to support the latest high-accuracy ITU-T Class C and D boundary clock standards. These standards dictate extremely accurate time transfer over optical networks so operators can use dense wavelength division multiplexing (DWDM) technology rather than dedicated fibre.

Release 2.0 accommodates escalating bandwidth requirements of next-generation network devices through an optional expansion module that provides 10 GE interfaces. Expanded monitoring functions enable service providers to understand how time and phase performance is affected by network elements. PTP client capacity has been increased to 790 to provide the scalability that is critical for deployments in mobile network aggregation layers and new DOCSIS 3.1 Remote-PHY cable architectures.

For service providers that need to deploy more compact PTP 1588 v2 Grandmasters to fewer base stations closer to the network’s edge, Microchip is also introducing Release 3.0 to its Integrated GNSS Master (IGM) family. IGM 3.0 combines an IEEE-1588v2 PTP Grandmaster with a GNSS receiver and antenna to simplify indoor or outdoor installations.

Each of the three IGM 3.0 additions deliver precise time and phase as well as new capabilities enabled by IGM Plus hardware models with enhanced oscillators and GNSS receivers. The new oscillator options extend time-keeping holdover performance while the enhanced receiver speeds satellite signal acquisition and improves security by accessing more GNSS constellations simultaneously. The receiver upgrade option supports GPS, Galileo (Europe), QZSS (Japan) and GLONASS, and is Beidou-ready. The IGM 3.0 software includes higher PTP capacity to 60 clients in addition to IPv6 support for traffic and management flows.

Both TimeProvider 4100 Release 2.0 and IGM Release 3.0 are managed with TimePictra, the centralised and unified management platform for the company’s family of precise timing systems.

For more information contact Dirk Venter, Altron Arrow, +27 11 923 9600, dventer@arrow.altech.co.za, www.altronarrow.com


Credit(s)
Supplied By: Altron Arrow
Tel: +27 11 923 9600
Fax: +27 11 923 9884
Email: info@arrow.altech.co.za
www: www.altronarrow.com
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