GNS183-UC

IMS-GNS-UC: Clock Module with GPS and Galileo Receiver

The IMS-GNS-UC is a 24-channel satellite clock module with GNSS technology that has been developed from the ground up specifically for time and frequency synchronisation purposes. The GPS and Galileo receiver module provides a high-precision, high-accuracy time and frequency reference for your Meinberg IMS system and is designed to receive signals from the U.S. Global Positioning System (GPS) and the European Galileo system, allowing your Meinberg system to be used anywhere in the world.

How the Meinberg IMS-GNS works

The integrated GNS-UC receiver requires an externally connected GPSANTv2 antenna to receive signals from GPS satellites. It can be configured to accept signals from one constellation only or both systems concurrently in order to achieve superior availability and accuracy.

Once the IMS-GNS-UC is successfully initialised and synchronised, it distributes a 1PPS (pulse-per-second) reference clock signal and a 10 MHz reference frequency. These are then used by the IMS output modules to generate a wide variety of specific output signals used in a diverse range of applications. The precision and accuracy of the two aforementioned reference signals are critical in determining the corresponding precision and accuracy of the output signals.

The module also supports the IMS platform's MRS functionality (Multi Reference Source) to utilise all available reference sources for synchronisation beyond the GNSS signals.

The IMS-GNS-UC module is hot-swappable and is automatically detected and utilised when installed, even while the system is still in operation.

Use of Two IMS Receiver Modules

In systems equipped with two redundant IMS receiver modules, an RSC switchover module is used to switch between the two reference sources. The RSC serves to switch over the pulse and frequency outputs and serial interfaces of the connected reference clocks.