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  • Industry Sectors
    • Telecom
      • NTP & PTP IEEE 1588 Grand Masters
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      • Modular Sync Systems
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  • Products Groups
    • Synchronisation & Timing Products
      • NTP & PTP IEEE 1588 Grand Masters
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      • Enterprise Network Time Servers
    • Smart Technologies
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  • GNSS Master

Sync & Timing Products

  • NTP & PTP IEEE 1588 Grand Masters
  • Modular Sync Systems
  • GNSS Instruments
  • Enterprise Network Time Servers
  • Test, Measure, Monitor
  • Clock & Frequency References
  • GPS GNSS Fibre Solutions

Integrated GNSS Master: IGM-1100i

  • Product Information
  • Key Features
  • Diagram
  • Datasheets

Product Information

Product Information

The revolutionary Microsemi Integrated GNSS Master (IGM) delivers precise GNSS based time to small cell deployments, bringing GNSS timing indoors. The IGM fully integrates a PTP Grandmaster with a GNSS receiver and antenna in a small, fully contained package designed to attach to an inside wall.

The cost-effective IGM does not use an external antenna thereby reducing the cost of purchasing, installing and maintaining external GNSS cable systems. The IGM also uses Power over Ethernet (PoE) to further simplify installation.

LTE-TDD, LTE-A and also LTE-FDD that implements applications which require tight coordination (eICIC, CoMP, etc) require very tight, UTC aligned phase synchronisation. The only sensible solution to provide this level of phase synchronisation is via GNSS PTP grandmaster timing systems. GNSS timing systems require an antenna to pick up the satellite signals. Due to the very low power of these signals an external GNSS antenna, often mounted on the roof for indoor small cells, has been the primary technique for signal acquisition. The problem is that indoor small cells needing sync are by nature often installed in areas of very low cellular and GNSS signal strength. The necessary GNSS timing receiver must then often run a very long cable to the roof of the building to support the few small cells within.

Key Features

Key Features

  • Small form factor with single RJ45 port
  • Supported Precision Time Protocol (PTP) Profiles: ITU-T G.8265.1 (L3 unicast), ITU-T G.8275.1 (L2 multicast), ITU-T G8275.2 (L3 Unicast), Telecom 2008 and Ethernet default
  • One-step and two-step clock
  • SyncE hardware support
  • Unique ability to provide GPS backup by accepting PTP input
  • APTS and asymmetry compensation
  • IPv4 and IPv6 support
  • Increased client count from 16 to 32
  • License Control
  • 802.1q VLANS at 1 per PTP Client
  • GNSS receiver with assisted GNSS support
  • GPS, GLONASS capabilities - Beidou, SBAS and Galileo-ready
  • Time to First Fix (TTFF) of 10 minutes to less than 1 hour until system lock
  • Primary Reference Time Clock (PRTC) compliant
  • Cable compensation to address GPS cable length

Diagram

Diagram

Integrated GNSS Master Diagram

 

Datasheets

Datasheets

Download the Integrated GNSS Master IGM-1100i Datasheet

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