GNS183PEX: Low Profile GPS / GLONASS / Galileo / BeiDou Computer Clock

Key Features:

• PCI Express Interface
• 2 time trigger inputs
• Programmable Pulse Outputs
• Frequency Synthesizer and Time Code Mode
• Memory Mapped I/O time reads for high access rates
• RS-232 interface
• IRIG-B/AFNOR time code outputs
• Plug and Play
• DCF77-simulation
• Allows direct transmission routes of up to 150 m when using Ultraflex H2010 coaxial cable
• Configurable time scale (UTC/local, GPS time, TAI)
• Driver software for all popular operating systems
• Possible usage in mobile applications

The GNS183PEX is a 72-channel satellite receiver & clock based on Meinberg's GNSS technology in a PCI Express low-profile card form factor. This PC clock has been developed from the ground up specifically for time & frequency applications. The GNS183PEX is designed to receiver the U.S. Global Positioning System (GPS), the European Galileo system, the Chinese BeiDou constellation, and the Russian GLONASS system, enabling accurate synchronization of your PC's clock and generation of high-precision, high-accuracy time & frequency signals anywhere in the world.

This PCI Express card is ideal for providing your server or workstation PC with high-accuracy time, allowing any existing PC to operate as a Stratum 1 NTP server - ideal when you lack space for a separate time server in your server rack.

The GNS183PEX features not only a BNC connector for amplitude-modulated timecode (TC AM) output, four status LEDs, but also a 9-pin D-Sub male connector with outputs for time signals generated by the GNS183PEX, including serial time strings and programmable signals (including pulse-per-second and pulse-per-minute signals).

The GNS183PEX is shipped with a standard slot bracket with recesses for the antenna BNC connector, the AM timecode output BNC connector (TC AM) and the four status LEDs. This bracket also features an integrated D-Sub 9 male connector for outputting serial time strings and programmable signals.

The GNS183PEX also includes a 'low-profile' slot bracket which can be used to replace the standard bracket for installation of the GPS183PEX in low-profile chassis form factors such as 1U rack servers. When using the low-profile bracket, the signals that would otherwise be output via the D-Sub connector are instead output via a box header mounted on the board itself.

Constellation Reception

The integrated GNSS receiver requires an external antenna. The GNS183PEX can be configured to process signals from the GPS, Galileo, BeiDou, and GLONASS constellations. These configuration options allow the user to specify if only one of these constellations or a combination of up to three of the systems should be used:

• GPS
• GLONASS
• BeiDou
• GPS + GLONASS
• GPS + BeiDou
• Galileo
• GPS + Galileo
• Galileo + GLONASS
• Galileo + BeiDou
• GPS + Galileo + GLONASS
• GPS + Galileo + BeiDou

Satellite receiver for mobile applications:
The GNSS timing board is designed for operating in mobile environments like cars, trains or airplanes. An optimized active GNSS L1 antenna RV-76 with 10 meters coax cable RG-58 for operation in mobile environment is still available.