Exact time server STV-01

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The STV-01 exact time server is used for realization of measurements of current actual date and time values. For actualization of date and time values STV-01 uses satellite communication navigation systems. “STV-01” is used in LAN/WAN/MAN networks, DAB/DVB broadcasting, DH mobile and fixed communication, NGN, LTE, WiMAX, in AIMSCEM, in security systems, in metrological systems, in industrial and energy production.

“STV-01” exact time server structurally consists of the following blocks connected with each other by cables:

  • A control unit made in a metal case, placed in a telecommunication cabinet and labeled “STV-01 Exact Time Server”;
  • GNSS signal receiver in a protected all-weather case;
  • GNSS antenna.

Preparing for operation

The product is fully ready for its intended use upon completion of installation and commissioning work. Installation and commissioning works can be performed by representatives of the manufacturer, authorized service centers and Customer’s representatives trained by the manufacturer. During external inspection of the product it is necessary to check

  • completeness of the product in accordance with the form (passport);
  • absence of visible mechanical damage;
  • cleanliness of sockets, connectors and terminals;
  • condition of connecting wires, cables, adapters;
  • condition of paint coatings and clarity of markings;
  • absence of disconnected or poorly secured modules of the product (determined visually or by ear when changing the position of the product).

A exact time server is a complex designed to receive a reference time scale and synchronize connected devices. High accuracy of the product is guaranteed by the internal precision clock device, which synchronizes with the navigation system, receiving accurate data. Further, the software of the complex receives data on the current state of time on all connected devices. If deviations are detected, a control signal is transmitted, which corrects the readings. Special attention is paid to determining the signal delay. This parameter is taken into account in the correction, so all devices connected to the server have the same time.

The device STV – 01 can work with:

  • Video surveillance systems
  • Sensors
  • Controllers
  • Security systems
  • Clocks
  • Counters
  • Checkpoints and other devices.

Buy STV-01 from the company Jcom-iot

We offer to buy a server of exact time STV-01 at favorable prices. “Jcom-iot” is a guarantee of quality and reliability of products. More detailed information (exact cost, payment method, additional characteristics) you can learn from our managers by making a request for a commercial offer through the site or by mail.

Constructional design
For mounting in 19” racks and cabinets, height – 1U
Power supply, V
100 to 264 V AC
Power consumption
20 W
Operating system
Linux
Network interface
ETHERNET 1×NTP (10/100 Mbps)
Supported network protocols
IPv4, IPv6
Supported transport protocols
DHCP, NBNS, NTP
Supported Time Synchronization Protocols (ETHERNET)
NTP v2 (RFC 1119), NTP v3 (RFC 1305), NTP v4 (RFC 5905), SNTP v2c (RFC 1158), SNTP v3 (RFC 1769), SNTP v4 (RFC 2030)
Output signal
1×PPS – second marker
Support generator (determined when ordering)
OCXO-HQ (error ±5 μs/day), Rubidium (error ±0.2 µs/day), TCXO (error ±1 ms/day)
STV-01 server time
UTC+0(GMT)
Built-in HTTPS Web server for customization
yes
RS232 interface
1 pc.
LCD/LED display to show server status
yes
Setting buttons on the front panel
yes
Air temperature, °C
from -40 to +60 (receiver), from 0 to +60 (control unit)
Relative humidity at +25 ºC, %, not more than
80 (control unit), 98 (receiver)
Atmospheric pressure, kPa
from 84 to 106.7
Average MTBF, h
100000
Service life
at least 20 years
GNSS signal receiver (determined when ordering)
GLONASS/GPS, GLONASS/GPS/BeiDou/Galileo
Overall dimensions of GNSS receiver without antenna and elements
150x90x70mm
Communication interface between the control unit and the receiver GNSS
RS-422 (with galvanic isolation)
Degree of enclosure protection
IP65
GNSS antenna for outdoor installation (with mounting kit (determined when ordering))
GPS-P (-70 to +90 ℃), ICB ANT GNSS (-40 to +85 ℃)
Interface cable (determined when ordering)
20 meters, Up to 500 meters
Antenna cable (determined when ordering)
0,6 meter, Up to 100 meters
Overall dimensions of STV unit (W×D×H), mm, not more than
500×300×50
Weight, kg
5

You can download the manual by clickinghere.

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