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GS5390 NTP Server Tester
Products Introduction
The GS5390 Time & Frequency Comprehensive Parameter Test Calibrator is an integrated test instrument designed for high-precision real-time measurement of time-scale signals (NTP, PTP, IRIG-B, 1PPS+TOD) and frequency-scale signals (2.048MHz, 10MHz).
Equipped with a built-in high-precision timing-grade dual frequency BeiDou GPS receiver, the device can discipline an internal high-performance rubidium atomic oscillator to generate a high-accuracy 10MHz signal, which serves as the clock reference for the signal under test. Alternatively, it can accept an external 10MHz sine wave reference from a hydrogen maser or cesium atomic clock to replace the internal rubidium oscillator, thereby further improving the test reference accuracy. Additionally, it can accept external 1PPS and TOD inputs to synchronize the device's own 1PPS and TOD outputs.
The GS5390 also features remote monitoring capability, providing users with convenient network-based time synchronization and remote device supervision.
Application areas
Testing time signals at various mobile base stations and fixed base stations;
Installation testing for mobile time synchronization systems such as field workstations, field vehicles, communication vehicles, and radar vehicles;
Installation testing for time synchronization systems on various ships;
Field time system calibration and field measurement;
Verification and calibration of time and frequency standard signals at various metering station.

Features
-
With a built-in high-performance lithium battery, the battery life is more than 2.5 hours, making it convenient for users to carry and operate outdoors;
-
It has the function of switching between internal and external reference sources;
-
It can simultaneously test the short-term frequency stability, power-on characteristics, aging rate, and accuracy of sinusoidal frequency standard signals at any frequency point from 1 MHz to 30 MHz;
-
The device supports simultaneous measurement of time synchronization accuracy, drift, and jitter for multiple signal types, including B-code, E1, 1PPS+TOD, while also functioning as an NTP and PTP tester;
-
Test data can be saved in real time and saved to a USB drive as a screenshot or raw data, making it convenient for users to copy and analyze the data later;
-
Touchscreen operation, simple and convenient to use;
-
It can be connected to an external mouse and keyboard for more flexible operation;
-
Built-in 4GB FLASH data storage and 2GB DDR RAM ensure long-term storage of measurement data;
-
The device can be remotely controlled via the management network port and the host computer.
Technical Indicators
|
Item |
Signal type |
Interface electrical characteristics |
Physical interface type |
|
1 |
RS232 TOD |
Standard 232 level |
DB9 |
|
2 |
RS422/RS485 TOD |
Standard 422/485 level |
DB9 |
|
3 |
10MHz |
Sine |
BNC |
|
4 |
B(AC) code |
1kHz carrier modulation, modulation ratio 2:1 to 6:1 Amplitude 0.5V ~ 10Vp-p (0.5V step) |
BNC |
|
5 |
Empty node |
Normally open/normally closed |
BNC |
|
6 |
1PPS/1PPM/1PPH/B(DC) |
TTL |
BNC |
|
7 |
1PPS/1PPM/1PPH/B(DC) |
422/485 |
TWIN-BNC |
|
8 |
1PPS/1PPM/1PPH/B(DC) |
Optical port |
LC |
|
9 |
NTP/PTP electrical port |
10/100/1000Base-T |
RJ45 |
|
10 |
NTP/PTP optical port |
1000Base-X |
SFP |
Performance Parameters
|
Item |
Signal type |
Measurement accuracy |
Measurement resolution |
|
1 |
TOD |
±1s |
/ |
|
2 |
10MHz |
Frequency accuracy: 1E-12 (1s sampling) |
5E-13 (1s sampling) |
|
Frequency stability: 1E-12(1s) |
5E-13 (1s) |
||
|
3 |
1PPS |
±20ns |
0.1ns |
|
4 |
1PPH |
±20ns |
0.1ns |
|
5 |
1PPM |
±20ns |
0.1ns |
|
6 |
IRIG-B(AC) code |
±20ns |
5ns |
|
7 |
IRIG-B(DC) code |
±20ns |
0.1ns |
|
8 |
Empty contact |
±20ns |
0.1ns |
|
9 |
PTP |
±20ns |
0.1ns |
|
10 |
NTP |
±20ns |
0.1ns |
The device input/output signal types
|
Item |
Signal type |
Measurement accuracy |
Measurement resolution |
|
1 |
TOD |
±1s |
/ |
|
2 |
10MHz |
Frequency accuracy: 1E-12 (1s sampling) |
5E-13 (1s sampling) |
|
Frequency stability: 1E-12(1s) |
5E-13 (1s) |
||
|
3 |
1PPS |
±20ns |
0.1ns |
|
4 |
1PPH |
±20ns |
0.1ns |
|
5 |
1PPM |
±20ns |
0.1ns |
|
6 |
IRIG-B(AC) code |
±20ns |
5ns |
|
7 |
IRIG-B(DC) code |
±20ns |
0.1ns |
|
8 |
Empty contact |
±20ns |
0.1ns |
|
9 |
PTP |
±20ns |
0.1ns |
|
10 |
NTP |
±20ns |
0.1ns |
The device input/output signal types
|
Item |
Type |
Interface electrical characteristics |
Interface type |
Direction |
|
1 |
Antenna input |
TNC |
BNC |
Input |
|
2 |
Reference 1PPS |
TTL |
BNC |
Input |
|
3 |
Reference TOD |
RS232 |
DB9 |
Input |
|
4 |
Reference10MHz |
Sine |
BNC |
Input |
|
5 |
Antenna output |
Radio frequency |
BNC |
Output |
|
6 |
1PPS/1PPH/1PPM pulse output |
TTL |
BNC |
Output |
|
7 |
IRIG-B (AC) |
Modulation ratio: 2:1 to 6:1; Amplitude: 0.5V ~ 10Vp-p (0.5V step) |
BNC |
Output |
|
8 |
IRIG-B (DC) |
TTL |
BNC |
Output |
|
9 |
Standard 1PPS |
TTL |
BNC |
Output |
|
10 |
Standard 10MHz |
Sine |
BNC |
Output |
|
11 |
Standard TOD |
RS232 |
DB9 |
Output |
|
12 |
Management port |
1000base_T |
RJ45 |
Two-way |
Physical and Environmental Parameters
|
Chassis size: Standard 1.9-inch 3U rackmount 482.6mm × 500mm × 132.5mm (width × depth × height, tolerance ±2 mm) |
Weight: ≤15kg Color : Standard gray |
|
Operating voltage: AC220V (1±5%) 50Hz (1±5%) |
Power consumption: ≤ 60W (stable operation at 25℃) |
|
Operating temperature: -10℃~+50℃ |
Storage temperature: -25℃~+70℃ |
|
Screen size: 7 inches |
Screen resolution: 1024 × 600 |
Package List
|
Item |
Name |
Quantity |
Remark |
|
1 |
Main unit |
1 |
Standard configuration 1.5 meters |
|
2 |
AC power cable |
1 |
|
|
3 |
DC power cable |
1 |
Standard configuration 3 meters |
|
4 |
Standard RJ45 network cable |
1 |
|
|
5 |
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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