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Accuracy: | <=100ns | Modes: | Beidou, GPS, CMDA |
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Output Signal: | Pulse, IRIG-B, RS232, RJ45 | Beidou-1: | 1561 MHz |
GPS: | 1575.42 MHz | Power Supply: | 220V AC |
Weight: | 2KG | Color: | Black |
GB8002 BeiDou / GPS time server is developed by our company based on GPS timing technology device. It can display and send standard time. The time server uses the PPS and time message of BeiDou Navigation System and GPS (Global Positioning System) satellite to output time synchronization pulse. The device uses SMT surface mount technology for production and high-speed chip for control, with high precision, high stability, strong function, no accumulative error, cost-effective and easy to operate. It is also not limited by geographical and climatic conditions. The device can be widely used in electric power system, network synchronization, communication, traffic management and national defense need timing and punctuality etc. The device has a variety of interfaces. such as RJ45, RS-232, RS-422/RS-485, IRIG-B, TTL Pulse etc. Multi-channel output pulses such as seconds, minutes and hours (free translation), convenient connections and related device, implements unidirectional or bi-directional communication.
The TimeMachines GPS NTP Network Time Server is a simple to use GPS based time server that supplies accurate time for all computers and time keeping devices on the network. By placing a time server on the local network, (S)NTP time packets are provided without requiring systems to go to the Internet to get a Stratum 1 time synchronization.
Our GPS network time servers, both NTP and PTP options, are a very cost-effective, reliable way to provide your network its own internal Stratum 1 time source. In addition to the GPS time servers, we provide a range of accessories including antennas, cables, and mounts to streamline and optimize the installation within your facility.
parameters | |||||
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1. Output Signal | |||||
Timing signal type | Interface Type | Timing accuracy | Interface parameters | Number of interfaces | |
Beidou-1 | GPS | ||||
Pulse | 5V TTL level | -0.14μS | μS 0.06 | Phoenix terminal | 1 channel |
IRIG-B Time Code | RS485 level | μS 0.12 | μS 0.2 | Phoenix terminal | 10 channels |
Serial port | RS232 | mS 0.18 | mS 0.18 | RJ45 interface | 3 channels |
RS485/422 | mS 0.18 | mS 0.18 | RJ45 interface | 3 channels | |
Ethernet | NTP/SNTP | mS 10 | mS 10 | RJ45 interface | 2 channels |
2.Input Signal | |||||
Name of clock source | Technical parameters | Remarks | |||
Beidou-1 | Receiver frequency :1561 MHz (B1 signal) | Optional | |||
Acceptance sensitivity :-127.6 dBmW | |||||
Capture time :35 S ﹤10 S; hot start and cold start | |||||
Timing accuracy :≤100 ns( unidirectional),≤20 ns( bidirectional) | |||||
GPS | Receiver frequency :1575.42 MHz (L1 signal) | Optional | |||
Receiving sensitivity: capture <-160 dBW, tracking <-163 dBW | |||||
Capture time :200 S <25 S; hot start and cold start | |||||
Timing accuracy :≤100 ns (1pps versus UTC time) | |||||
Simultaneous tracking: no less than 4 satellites in cold start; no less than 1 satellite in hot start; up to 12 satellites can be tracked at the same time, parallel 12 channels. | |||||
Core punctuality clock module | Adopt high precision constant temperature crystal frequency precision reaches 2 E-11 order of magnitude. | Built-in | |||
Self-service error ≤18 us/24H. | |||||
3.Others | |||||
Name of parameter | Parameters | ||||
Environmental parameters | Working temperature :-20 to +70 °C | ||||
Storage temperature :-45 to +85 °C | |||||
Humidity :<95% | |||||
Power supply | Power supply :220 V±20% or 110 V±20%,47 Hz-63 Hz | ||||
DC power supply :220 V±20% or 110 V±20% | |||||
Power consumption ≦10 W | |||||
EMC grade | Grade IV specified in the GB/T 17626-2008 | ||||
Alarm signal | Relay air contact (250 V,5A) | ||||
Appearance Weight | Standard 19" Chassis , hight is 1U, Integrated structure , weight is 2 KG. |
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