VCL-GPS / GNSS - Reference Series

VCL-GPS / GNSS Primary Reference Clocks (G.811), PTP IEEE-1588v2 Grandmaster, PTP Slaves, NTP Time Servers, SSU (Synchronization Supply Unit) solutions

Product Overview

Valiant offers a wide range of VCL-GPS / GNSS, Primary Reference Clocks (G.811), PTP IEEE-1588v2 (Precision Time Protocol) Grandmaster, PTP 1588v2 Slaves, NTP Time Servers, SSU (Synchronization Supply Unit), Sub-Master Clocks and Display Clock solutions.

Synchronization Solutions Overview:

  • GPS / GNSS Primary Reference (PRC) Master Clocks (Complaint to ITU-T G.811)
  • SSU - Synchronization Supply Unit
  • Precision Time Protocol (PTP) IEEE 1588-2002 (1588v2) Grandmaster, Primary Reference Clock, NTP Time Servers
  • Precision Time Protocol (PTP) IEEE 1588-2002 (1588v2) Slave Clock
  • GPS NTP Time Servers with IRIG-B (Modulated & Un-Modulated)
  • Time Distribution Solutions
  • Sub-Master Clocks
  • Digital Display Clocks
  • Network Management System (NMS) overview

Applications include synchronization of 2G, 3G, 4G, 5G / LTE mobile telecommunications networks, Micro Cell sites as well as backhaul wireline SDH / SONET and Synchronous Ethernet networks. It may be also used by Railways, Airports (including Air-Traffic Control), Power Generation / distribution companies and other Utility companies who not only require a highly precise time-of-day and frequency synchronization locked to a GPS / GNSS Reference but who also need to distribute highly precise time-of-day and frequency synchronization across all nodes of their networks.

The equipment provides a G.811 / Stratum 1 quality synchronization (GPS locked) reference while providing multiple time (IRIG-B) and frequency outputs that are usually required by the users of such equipment.

The VCL-GPS / GNSS Receiver is equipped with an integrated GPS / GNSS receiver and a highly accurate low-noise OCXO / Rubidium oscillator which provides a high stability holdover quality typical of an SSU in the eventuality of the GPS signal or its antenna failure.

The Grandmaster Clock supports IEEE-1588 PTP Version 2 and delivers nano-second time and frequency synchronization for customer network environment. VCL PTP Grandmaster Clocks not only provides a highly accurate source of synchronization for PTP networks and also provide ToD (Time-of-Day) and Frequency Synchronization. Supported options include IRIG-B, 1 PPS, NMEA, 1/5/10MHz, 2.048MHz, 2.048Mbits clock outputs. OCXO and Rubidium Holdover Clock options are available.

PTP Slave Clocks (IEEE-1588v2) devices simplify the migration towards PTP IEEE-1588v2 by providing a wide range of legacy time synchronization outputs. The PTP IEEE-1588v2 Slave Clocks are synchronized to a PTP Grandmaster and can be used as a timing synchronization source for equipment that requires IRIG, PPS, 1/5/10MHz or E1/T1 telecom carrier signals.

VCL-2424
Pole Mount - PTP IEEE-1588v2 Grandmaster PRC and NTP Time Server

VCL-2424, a Pole Mount version Primary Reference Clock (PRC), IEEE-1588v2 PTP Grandmaster, NTP Time Server is a ruggedized GNSS (GPS/GLONASS), ITU-T G.811 compliant solution to provide a highly precise time and frequency reference outputs. Applications include synchronization of 2G, 3G, 4G / LTE, 5G services in harsh, un-protected, outdoor environments, such as to mobile cell towers.

It may be also used by railways and metro signalling infrastructure, airports and air-traffic control facilities, solar farms, wind-farms, electric sub-stations, power distribution infrastructure, off-shore oil and gas rigs and naval vessels that are required to operate in complete isolation due to the very nature of their application, geographical location, or due to security reasons.

VCL-2424 establishes a highly accurate phase-synchronized frequency and time base by synchronizing to the GNSS (GPS/GLONASS) satellites' atomic clocks to distribute synchronized time over packet based networks including Ethernet, Carrier Ethernet, IP and IP/MPLS Networks.

VCL-2424 Input port is a GPS / GNSS Receiver and Output ports include PTP 1588v2 Grandmaster, 2.048 MHz, 10 MHz, 1PPS, ToD (Time-Of-Day) output compliant to NMEA 0183 (RJ11) and IPv4 and IPv6 GPS NTP Time Server. The OCXO Oscillator is available for Holdover Clock mode.

Data SheetE1 Voice and Data Primary Multiplexer

VCL-2145
GPS/GNSS, Primary Reference Clock (G.811) with IEEE-1588v2 PTP Grandmaster and NTP Time Server

This provides a GPS/GNSS Primary Reference Clock, IEEE-1588v2 PTP Grandmaster Clock, NTP Time Server (IPv4 and IPv6) solution. The VCL-2145 is a GPS / GNSS Receivers with an integrated, high bandwidth NTP Time Server engine. It provides multiple Input options including up to single GPS / GNSS Receivers, 2.048 MHz, 75 Ohms (BNC), 2.048 Mbit/s (E1) (BNC), 10 MHz, 50 Ohms (BNC) and multiple Output options including PTP 1588v2 Grandmaster, 2.048 Mbit/s (E1), or 1.544 Mbit/s (T1), 8 x 2.048 MHz, 1 MHz / 5 MHz /10 MHz, 50 Ohms, IRIG-B, 1PPS, TOD (Time-Of-Day) output compliant to NMEA0183 (DB9, RS-232C), IPv4 and IPv6 NTP Server. OCXO and Rubidium Holdover clock options are available.

Data SheetE1 Voice and Data Primary Multiplexer

Comparison ChartE1 Voice and Data Primary Multiplexer

VCL-2145-D
Dual GNSS Primary Reference Clock with IEEE-1588v2 PTP Grandmaster and NTP Time Server

VCL-2145-D is a high-performance, GNSS (Global Navigation Satellite System) Primary Reference Clock that provides ITU-T G.811 Primary Synchronization Frequency References which are locked to a user selected GNSS (GPS-GLONASS-SBAS) Satellite source.

The VCL-2145-D Satellite Receiver also has an integrated, high bandwidth NTP Time Server engine. It provides multiple Input options including up to Dual GPS / GNSS Receivers, 2.048 MHz, 75 Ohms (BNC), 2.048 Mbit/s (E1) (BNC), 10 MHz, 50 Ohms (BNC) and multiple Output options including PTP 1588v2 Grandmaster, 2.048 Mbit/s (E1), or 1.544 Mbit/s (T1), 8 x 2.048 MHz, 1 MHz / 5 MHz /10 MHz, 50 Ohms, IRIG-B, 1PPS, TOD (Time-Of-Day) output compliant to NMEA0183 (DB9, RS-232C), IPv4 and IPv6 NTP Server. Multiple IRIG-B Outputs are provided to synchronize local clock (time-of-day) display units as well as RTUs to a central timing source with nano-second accuracy. OCXO and Rubidium Holdover clock options are available.

Available with:

  • 1+0 (VCL-2145, without GNSS redundancy)
  • 1+1 (VCL-2145-D, with GNSS redundancy)

User selectable GNSS options:

  • GPS
  • GLONASS
  • GPS+GLONASS
  • GPS+SABS (ISRO-GAGAN, WAAS and EGONS)

Data SheetE1 Voice and Data Primary Multiplexer

Comparison ChartE1 Voice and Data Primary Multiplexer

VCL-2112 P
PTP IEEE-1588v2 Slave Clock

PTP IEEE-1588v2 Slave Clock for ToD (Time of Day) and Frequency Synchronization - synchronizes to PTP 1588v2 Grandmaster to provide the following Output ports including 2.048 Mbit/s (E1), or 1.544 Mbit/s (T1), 2.048 MHz, 1 MHz / 5 MHz / 10 MHz, 50 Ohms, IRIG-B, 1PPS, ToD (Time-Of-Day) output compliant to NMEA 0183 (DB9, RS-232C). OCXO Oscillator is offered for Holdover Clock.

VCL-2112, PTP 1588v2 Slave Clock is specifically designed for the synchronization of 2G, 3G and LTE mobile, Micro Cell, HetNet telecommunications networks as well as backhaul wire-line TDM Networks. It may be also used by Railways, Airports (including air-traffic control), power generation and distribution companies and other utility companies who need to distribute highly precise time-of-day and frequencies locked to a PTP Grandmaster (GPS) Reference across all nodes of their networks.

Data SheetE1 Voice and Data Primary Multiplexer


VCL-2750
PTP IEEE-1588v2 Slave Clock

VCL-2750, PTP Slave Clock (DIN Rail Version) is a high precision, high reliability time and frequency synchronization solution which can be used to synchronize with an IEEE-1588v2 PTP Grandmaster to provide reference frequency and time-of-day synchronization across all nodes of a PTP network. Multiple 1PPS / IRIG-B Outputs are also provided to synchronize local clock (time-of-day) display units as well as RTUs to a central timing source with nanosecond accuracy.

The VCL-2750, PTP Slave Clock is specifically designed for providing synchronization in 2G/3G/4G, HetNet and LTE mobile telecommunications networks as well as in backhaul wire-line TDM Networks. It may be also used by Railways, Airports (including air-traffic control), Power generation and distribution companies and other Utility companies who need to distribute highly precise time-of-day and frequencies locked to a PTP Grandmaster (GPS) Reference across multiple nodes of their networks.

Data SheetE1 Voice and Data Primary Multiplexer

VCL-2145-LC
GPS Primary Reference Clock (PRC)

VCL-2145-LC, GPS Primary Reference Clock is a high precision frequency synchronization solution which may be used to provide ITU-T, G.811 Primary Reference Clocks which are referenced to a GPS source.

The VCL-2145-LC, GPS Primary Reference (PRC) Clock is specifically designed for frequency synchronization of 2G, 3G, HetNet and LTE mobile telecommunications networks as well as backhaul wire-line SDH / SONET and Synchronous Ethernet networks. It may be also used by Railways, Airports (and air-traffic control), Power generation and distribution companies and other Utility companies who not only require highly precise G.811 frequency synchronization locked to a GPS Reference.

It provides multiple Input options including GPS Receiver, 2.048 MHz, 75 Ohms (BNC), 2.048 Mbit/s (E1) (BNC), 10 MHz, 50 Ohms (BNC) and multiple Output ports including 2.048 Mbit/s (E1), or 1.544 Mbit/s (T1), 8 x 2.048 MHz, 1 MHz / 5 MHz /10 MHz, 50 Ohms, 1PPS, TOD (Time-Of-Day) output compliant to NMEA0183 (DB9, RS-232C). Optional OCXO or Rubidium Oscillator for Holdover clock are available.

Data SheetE1 Voice and Data Primary Multiplexer

Comparison ChartE1 Voice and Data Primary Multiplexer

VCL-2156
VCL-2156, NTP Time Server

The VCL-2156 NTP Time SERVER is designed to provide NTP Time and ITU-T G.811 Primary Reference Clock that is locked to a GPS / GNSS reference to provide time synchronization to private networks such as Railways and Metro (ticketing and platform) networks, Airports and Air-Traffic Control facilities, Electric Sub-Stations, Power Distribution and Transmission companies, Oil and Gas Utilities, ISPs and Cable TV networks as well as to Campus networks that are required to maintain a complete isolation from public networks for security reasons. It may be also used by 2G, 3G and LTE service providers which provide a ToD (Time-of-Day) reference to their customers over their wireless networks.

Ports include GPS / GNSS Receiver, and Output ports include 2.048 MHz, 10 MHz, 50 Ohms, IRIG-B Unmodulated, 1 x IRIG-B Modulated, 1PPS, 1PPM, ToD (Time-Of-Day) output compliant to NMEA0183 (DB9, RS-232C) and IPv4 and IPv6 NTP Time Server. OCXO Oscillator is offered for Holdover Clock.

Data Sheet - NTP ServerGPS NTP Server

Comparison ChartE1 Voice and Data Primary Multiplexer


VCL-2156, PTP IEEE-1588v2 Grandmaster, PRC and NTP Time Server

The VCL-2156, PTP IEEE-1588v2 Grandmaster, Primary Reference Clock (G.811) and GPS NTP Time Server is designed to provide PTP 1588v2, NTP and ITU-T G.811 Primary Reference Clock that is locked to a GPS / GNSS Reference to provide time synchronization to private networks such as Railways and Metro (ticketing and platform) networks, Airports and Air-Traffic Control facilities, Electric Sub-Stations, Power Distribution and Transmission companies, Oil and Gas Utilities, ISPs and Cable TV networks as well as to Campus networks that are required to maintain a complete isolation from public networks for security reasons. It may be also used by 2G, 3G and LTE service providers which provide a time of day reference to their customers over their wireless networks.

Input Ports include GPS / GNSS Receiver and Output ports include PTP 1588v2 Grandmaster, 2.048 MHz, 10 MHz, 50 Ohms, IRIG-B Unmodulated, IRIG-B Modulated, 1PPS, 1PPM, ToD (Time-Of-Day) output compliant to NMEA0183 (DB9, RS-232C) and IPv4 and IPv6 NTP Time Server. OCXO Oscillator is offered for Holdover Clock.

Data Sheet - NTP Server with PTP Grandmaster OptionGPS NTP Server

Comparison ChartE1 Voice and Data Primary Multiplexer

IEEE 1588v2 Solutions for Stock and Currency Trading Plateforms

The above dictum can be applied literally to electronic trading platforms – since significant quantities of stocks and currencies are bought and sold microseconds apart at differing rates. Financial Regulators all over the world, realizing this need, are now requiring all share trading platforms to use IEEE-1588v2 technology to synchronize to a GPS / GNSS based time-source with micro-second accuracy, so that buy and sell orders can be executed with precision according to their time-stamp.

and precise time stamping is required for compliance with financial regulatory mandates such as the Sarbanes-Oxley Act of 2002 (SOX), the FTC's Gramm-Leach-Bliley Act (GLBA), FINRA's Order Audit Trail System (OATS) and the Payment Card Industry Data Security Standard (PCI-DSS). The 2015 European Securities and Markets Authority MiFID II regulation requires clock accuracy and granularity in stock trading to have a time-stamp accuracy of better than 100 microseconds to UTC with a granularity of 1 microsecond.

Data SheetGPS NTP Server

Synchronization Audit Services

Valiant Communications provides tailor-made Telecom Consulting and Synchronization Audit services that can help a customer efficiently and cost-effectively check their network performance and protect its Quality of Service. Services includes planning or recommending updating their network for optimal Time and Frequency Synchronization performance of the related equipment that has been installed in the network

Telecom Services Division for Sync Audit and Consulting - At A Glance:

  • Sync Audit of GPS Primary Reference Clocks (PRC) as per ITU-T G.811 and ETSI standards.
  • Sync Audit of PTP Grandmaster (IEEE-1588v2)
  • Sync Audit of Synchronization Supply Units (SSU)
  • Sync Audit of NTP Servers for load and accuracy
  • Focused on Service
  • Domain Knowledge and Expertise
  • All-Inclusive Statement of Work
  • Cost effective
  • Quality System Certified to ISO 9001:2000

VCL-2486, Time Distribution Solutions

Valiant offers a wide range of Time Distribution Solutions. Customers can extract multiple 1PPS, Pulse, modulated IRIG-B (RJ45), Unmodulated IRIG-B (RS422 / BNC), NMEA outputs from GPS / GNSS source. Additional details are provided below:

The VCL-2486-G, 16 x 1 PPS + NMEA, GPS Receiver, Time Distribution Unit is designed to provide up to 16 outputs of Pulse and / or NMEA-0183 and / or IRIG-B (mix and match) that is locked to a GPS / GNSS Reference to provide time synchronization to private networks such as Railways and Metro (ticketing and platforms) networks, Airports and Air-Traffic Control facilities, Electric Sub-Stations, Power Distribution and Transmission companies, Oil and Gas Utilities, ISPs and Cable TV networks as well as to Campus networks.

The VCL-2486-M 1:16 Pulse + NMEA Multiplexer is a compact and cost-effective solution to provide up to 16 Pulse; NMEA-0183 outputs. VCL-2486-M 1:16 Pulse + NMEA Multiplexer takes Pulse and one NMEA-0183 as input option to provide up to 16 Pulse outputs; or 8 Pulse + 8 NMEA outputs.

The VCL-2486-I IRIG-B Distribution Unit is a compact and cost-effective solution to provide up to 16 IRIG-B outputs. VCL-2486-I IRIG-B Distribution Unit takes IRIG-B input to provide up to 16 IRIG-B outputs. The VCL-2486-I IRIG-B Distribution Unit used to multiply 1 x IRIG-B to provide 16 x IRIG-B signal.

The VCL-3072, Optical IRIG-B / 1 PPS Distribution Solution is compact and cost-effective solution to convert Optical pulse to 4 x Pulse Outputs.

VCL-2750, PTP Slave Clock (DIN Rail Version) is a high precision, high reliability time and frequency synchronization solution which can be synchronized from a IEEE-1588v2 PTP Grandmaster to provide frequency and time-of-day synchronization across a PTP network with nanosecond accuracy. Multiple 1PPS / IRIG-B Outputs are provided to synchronize local clock (time-of-day) to IEDs, as well as RTUs to a central timing source.

VCL-3045-D, NTP to IRIG-B Converter is synchronized by an NTP Server and can be used as a time source for equipment that requires IRIG-B inputs for time-of-day synchronization.

The VCL-3075 NTP Client, Time Distribution Unit is designed to provide up to 16 outputs of IRIG-B and / or Pulse and / or NMEA-0183 (mix and match) that is synchronized from a NTP Server to provide time synchronization to private networks such as Electric Sub-Stations, Railways and Metro (ticketing and platforms) networks, Airports and Air-Traffic Control facilities, Power Distribution and Transmission companies, Oil and Gas Utilities, ISPs and Cable TV networks as well as to Campus networks.

VCL-2145-SSU (Synchronization Supply Unit), GNSS (GPS+GLONASS) Primary Reference, PTP 1588v2 Grandmaster Clock, NTP Time Server

VCL-2145-SSU (Synchronization Supply Unit) is a state-of-the-art, scalable and high-reliability synchronization solution that provides ITU-T G.811 compliant, user configurable E1, 2.048Mbits or 2.048MHz outputs that range from 32 to 320 unprotected, or 32 to 160, 1:1 protected (redundant) outputs to provide high quality synchronization references for synchronizing SDH, SONET, Mobile Communications Equipment and IP/Ethernet/MPLS networks. In addition to traditional TDM network timing capabilities, the VCL-2145-SSU supports packet networks that include IEEE-1588v2 Precision Time Protocol (PTP) and carrier-class NTP services that are required for advanced communication networks.

The VCL-2145-SSU, GPS Primary Reference, PTP Grandmaster Clock & SSU (Synchronization Supply Unit) is specifically designed to provide frequency synchronization and high precision IEEE 1588-2008 V2 Precision Time Protocol (PTP) outputs that are suitable for synchronizing 2G, 3G, 4G, 5G, HetNet and LTE mobile telecommunications networks as well as backhaul wire-line SDH / SONET and Synchronous Ethernet networks. It may be also used by Railways, Airports (and Air-Traffic Control), Power Generation and Distribution companies and other Utility companies who require high-reliability and precise synchronized time over packet and ITU-T G.811 compliant frequency synchronization outputs that are locked to GNSS (GPS/GLONASS) References.

Data SheetGPS NTP Server

VCL-2424-D
DIN-Rail Version - PTP IEEE-1588v2 Grandmaster PRC and GPS NTP Time Server

VCL-2424-D, DIN-Rail Mount version Primary Reference Clock (PRC), IEEE-1588v2 PTP Grandmaster, GPS NTP Time Server is a ruggedized GNSS (GPS/GLONASS), ITU-T G.811 compliant solution to provide a highly precise time and frequency reference outputs. Applications include synchronization of 2G, 3G, 4G / LTE, 5G services in harsh environments.

It may be also used by railways and metro signalling infrastructure, airports and air-traffic control facilities, solar farms, wind-farms, electric sub-stations, power distribution infrastructure, off-shore oil and gas rigs and naval vessels that are required to operate in complete isolation due to the very nature of their application, geographical location, or due to security reasons.

VCL-2424-D establishes a highly accurate phase-synchronized frequency and time base by synchronizing to the GNSS (GPS/GLONASS) satellites' atomic clocks to distribute synchronized time over packet based networks including Ethernet, Carrier Ethernet, IP and IP/MPLS Networks.

VCL-2424-D Input port is a GPS / GNSS Receiver and Output ports include PTP 1588v2 Grandmaster, 2.048 MHz, 10 MHz, 1PPS, ToD (Time-Of-Day) output compliant to NMEA 0183 (RJ11) and IPv4 and IPv6 GPS NTP Time Server. The OCXO Oscillator is available for Holdover Clock mode.

Data SheetGPS NTP Server