IGM-1100x v2

IGM for External GPS Antenna

IEEE 1588 Integrated Grandmaster with GPS Antenna (IGM-1100x) v2

In certain scenarios, there may be a pre-existing GNSS antenna in a location where the GNSS cabling would be short enough to be inexpensive and easily installed. In such a situation, the most cost-effective solution is to deliver precise time and phase with a low cost IEEE 1588 PTP grandmaster connected to the external GPS antenna.

IGM-1100x v2

Microsemi’s small form factor IEEE 1588 IGM grandmaster, IGM-1100x, with integrated GNSS receiver and external antenna delivers precise time in scenarios where a GNSS antenna is already deployed, or where it would be cost-effective to deploy, such as a small one-story building, rack, hut or a cabinet. A single Ethernet connection is used for auto-configuration management, with Power over Ethernet used for IGM and PTP grandmaster operations to precisely synchronize eNodeBs. The plug-and-play operation, leveraging DHCP and TR-069 communication to the Auto Configuration Server (ACS), is meant for quick and easy installation similar to installing a typical indoor Wi-Fi antenna hot spot. 

IGM-1100x provides a cost-effective alternative to existing 1588 grandmasters which typically present space, power and cost consideration hurdles.

Microsemi offers a unified software across the IGM grandmaster portfolio, facilitating densification for mobile operators through enhanced management options, more reliability through GPS backup, greater scalability with IPv6 and increased client support.

Key Benefits

  • Leverages existing GNSS antennas when available
  • Small form factor 1588 PTP GrandMaster
  • Enables most cost-effective mini GM deployments at the very edge of mobile networks
  • Plug-and-Play features reduce deployment time and cost 
  • Best in class sync solution
  • Serves precise time and phase to locations such as racks, small buildings, huts and cabinets
  • Deployment flexibility (small size, wall or ceiling mount, and indoor)

Integrated GNSS Grandmaster (IGM 1100x) Features

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