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GPS Time Server

GPS Time Server

●The device is versatile, offers a variety of output types, and is flexibly configurable. It can be equipped with B-code, NTP, 1PPS+TOD, 10MHz, 10.23MHz, etc., to achieve different functions;
●The built-in high-precision GPS time receiver provides the device with standard timing pulse signals and serial port time information as the device's reference standard. It uses intelligent algorithms to discipline the internal rubidium clock so that its output of 1 PPS second is synchronized with the satellite signal;
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Description

China Go-Sat Microwave Co., Ltd. is one of the leading manufacturers and suppliers of gps time server in China. We are committed to providing high quality customized products with competitive price. If you're going to buy durable gps time server made in China, welcome to get quotation from our factory.

 

GS5801 GPS Time Server

 

Products Introduction

 

 

The GS5801 GPS time server is a high-precision GPS time synchronization system specifically designed for shipboard systems. Its key advantage lies in its ability to output four programmable pulse signals, each with independently configurable pulse timing. It also provides odd/even second outputs, supporting two odd-second and two even-second signals, along with both B(DC) and B(AC) time code outputs.

The device integrates a high-precision GPS Galileo Glonass BeiDou multi-mode receiver, which disciplines the internal rubidium oscillator using satellite signals to deliver high-precision time information synchronized with the satellite reference.

In addition, the GS5801 features a high-precision holdover function, maintaining reliable time accuracy even after the external reference is lost for an extended period. Its plug-in modular card design offers flexible configuration and ease of use.

 

Application areas

 

 

It can be used as a deck clock or shipboard clock;

Time synchronization for civil air defense systems, financial/banking systems, transportation systems, broadcasting systems, railway systems, aviation and aerospace systems, etc.;

Time synchronization for base stations, control stations, monitoring stations, etc.

GPS Time Server

Features

 

 

  • The device is versatile, offers a variety of output types, and is flexibly configurable. It can be equipped with B-code, NTP, 1PPS+TOD, 10MHz, 10.23MHz, etc., to achieve different functions;

  • The built-in high-precision GPS time receiver provides the device with standard timing pulse signals and serial port time information as the device's reference standard. It uses intelligent algorithms to discipline the internal rubidium clock so that its output of 1 PPS second is synchronized with the satellite signal;

  • Built-in high-performance rubidium atomic clock with advanced holdover algorithms for high-precision time keeping;

  • It has a power-on self-test function to check the working status of each module;

  • The front panel is equipped with an LCD screen that displays the year, month, day, hour, minute, and second time information, as well as system operating status information. The operating status of each module can be queried;

  • The device has the ability to manually select the reference source, working mode, time synchronization method, clock setting, leap second,time synchronization threshold, time zone, and other functions;

  • It has a remote network monitoring function, which allows users to monitor the status of various signals and set parameters of the device remotely via the network;

  • Offers multiple time synchronization outputs: one 1PPS standard second signal, two odd-second signals, two even-second signals, and four programmable arbitrary pulse outputs. It also serves as an IRIG-B Generator, providing two B(DC) and two B(AC) time code outputs;

  • It features programmable pulse setting function, which can be programmed to output a pulse at intervals of 3 seconds, 4 seconds, etc. (minimum one pulse per second, maximum one pulse every 20 seconds, default period is 1PPS). 4 channels can be set independently, and the

  • leading edge of the pulse is aligned with the 1pps signal. It can be set via remote network control.

 

Technical Indicators

 

 

Item

Input/Output

Index

1

GPS/BeiDou II input

Number of channels/physical interfaces:

1 channel/TNC;

Signal frequencies: GPS L1, BD B1;

Timing accuracy: ≤30ns (RMS).

2

Receiver raw information output

Number of channels/physical interfaces:

1 channel raw 1 PPS/second output/ BNC;

1-channel raw serial port time information output / DB9;

Serial port time information output statement: Output the receiver's raw information, such as GPGGA, GPGSV, etc., and output geographical location information and time information. Baud rate 9600, N, 8, 1

3

1PPS signal output

Number of channels / physical interfaces:

4 channels/ BNC;

Output waveform: square wave;

Impedance drive: 50Ω;

Output level: TTL level ≥ 3V;

Polarity: Positive polarity, with the leading edge being positive;

Pulse width: 10ms ±1ms (default);

Rise edge width: ≤5ns;

Jitter: ≤1ns (STD);

Synchronization accuracy: ≤ 30ns (RMS);

Maintain accuracy: ≤2µs/24 hours (external satellite reference disconnected for 24 hours).

4

Odd/even second pulse output

Number of channels /physical interfaces:

2 odd-second BNC, 2 even-second BNC;

Pulse width: 200µs;

Output level: TTL;

The leading edge of the pulse is aligned with the leading edge of the 1 PPS second signal.

5

Programmable pulse output

Number of ports/physical interfaces: 4 ports/ BNC;

Output level: TTL;

Pulse interval: The pulse can be output at intervals of 3 seconds, 4 seconds, etc. via the panel or remotely (minimum is one pulse per second, maximum is one pulse every 20 seconds, and the default period is 1 PPS).

6

IRIG-B code signal output

IRIG-B(AC) code:

Number of channels/physical interfaces:

2 channels/ BNC;

Amplitude: 0.5～10Vp-p (600Ω load, adjustable, factory default 10V);

Modulation ratio:

2:1～6:1 ( configurable, factory default is 3:1);

Synchronization accuracy:

≤ 10µs (compared to 1 PPS second locally);

IRIG-B(DC) code:

Number of channels/physical interfaces:

2 channels/ BNC;

Level: TTL (≥ 3.3V under 50 ohm load)

Synchronization accuracy:

≤ 100ns (compared to 1 PPS second locally);

code output standard:

Complies with UTC time standard by default.

7

Remote monitoring

Number of channels/physical interfaces: 1 channel/DB9-F (RS232), 1 channel/RJ45;

Control protocol: Equipment operating status information, lockout, current reference, status of each signal, as well as setting reference source, switching operating modes, pulse interval settings, etc.

 

Physical and Environmental Parameters

 

 

Chassis size:

Standard 1.9-inch 1U rackmount

482.6mm × 400mm × 44mm

(width × depth × height, tolerance ±2 mm)

Weight: ≤15kg

Color: Standard gray

Operating voltage:

AC220V(1±5%) 50Hz(1±5%)

Power consumption:

≤100W (at 25℃ upon power-on)

≤50W (stable operation at 25℃)

Operating temperature: -20℃～+60℃

Storage temperature: -40℃～+80℃

 

Package List

 

 

Item

Name

Quantity

Remark

1

Main unit

1

  

2

GPS/BeiDou Dual-Frequency Antenna

1

  

3

Antenna cable

1

Standard configuration includes 30-meter Φ5 cable

4

Mounting bracket

1

Includes mounting and fixing kit

5

AC power cable

1

Standard configuration 1.5 meters

6

1 PPS/B code signal output cable

4

Standard configuration 2 meters

7

Standard RJ45 network cable

1

Standard configuration 3 meters

8

Product Instruction Manual

1

  

 

Address:

No. 3908 ShiBo Avenue, Baqiao District, Xi`an, China

Email:

sales@go-satcom.com

tech@go-satcom.com

 

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