The use of sails in space may sound like a science fiction movie. However, this is no movie or fairy tale but a NASA technology demonstration. The independent agency of the U.S. federal government responsible for the civilian space program, aeronautical research and space exploration is testing new designs and material technologies for spacecraft propulsion systems intended for future low-cost missions. To that end, Rocket Lab's Electron rocket was launched in April 2024 from Māhia Launch Compl...
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In the latest Weekly Review
How to locate damage to a fiber optic cable?
FTTH cables installed in multi-family buildings are frequently exposed to damage. This is due to the fact that they are usually run together (in a corridor, a cable duct) with other cables (twisted-pair cable, coaxial cable), among which fiber optic cable is the most vulnerable to damage. The problem with flat fiber optic cable used in FTTH systems is that it is resistant to crushing and stretching, while if the minimum bending radius is exceeded, the risk of fracture of the FRP rods inside sig...
Modern backbone network.
A 10 Gbps network is a computer network that allows data to be transmitted at speeds of up to 10 Gbps. Such high bandwidth is currently used in large enterprises, data centers and research laboratories. It allows large amounts of data to be exchanged in a short period of time which is especially important for applications such as cloud computing, high-quality video transmission or transferring large amounts of scientific data....
Uploading external applications to a Hikvision IP video door entry monitor.
The DS-KH9310-WTE1(B) G74009 and DS-KH9510-WTE1(B) G74011 video door entry monitors running on the Android operating system can install up to 5 external applications with the .apk extension. This makes it possible to operate several different systems with the video door entry monitor. The application to the monitor can be uploaded using iVMS-4200 software. To do this, after adding the monitor to the software, go to the tab: Access Control->Video Intercom->Appli...
Channel amplifiers in SMATV systems.
The key issue in broadcasting the DVB-T2 digital terrestrial television programs is the reception of multiplexes with a large level differences. While in small systems (with 5-10 sockets) such a difference, although not recommended, is usually not an issue, in the larger ones, where the level difference at the input is increased by changing the attenuation of the cables along with frequency, it may cause signal loss in a part of the system. This effect can be eliminated by using channel amplifi...
Library new titles
- 2024-05-08
- Measurements
This article summarizes the knowledge for the installer who faces the task of verifying the correctness of a fiber optic system. The article describes in detail all aspects related to the idea and procedures of measurement by the transmission method.
- 2024-05-08
- Antennas & Connectors
The 5G network is the fifth generation of wireless (telecommunications) technology standards, which offers much faster data transfer speeds than earlier generations such as 3G or 4G.
- 2023-10-03
- Measurements
A short presentation of the new series of ULTIMODE devices for testing and measuring fiber optic installations.
- 2023-10-02
- SUNELL
Sunell is a global supplier of high-quality CCTV equipment. The company has for many years focused on modern and reliable products.
- 2023-10-02
- SUNELL
Tools for configuring, managing and using video surveillance systems based on Sunell cameras
- 2023-05-05
- CATV/SMATV Distribution
Fiber optic systems play an increasingly important role in the transmission of TV/SAT signals. They guarantee low signal loss and very high immunity to interference. DIPOL offers new TERRA solution for SMATV systems based on optical fibers.
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