The Chinese technology industry has unveiled a new connector format called GPMI (General Purpose Media Interface), which is designed to simultaneously handle data, video, control and power while reducing the number of cables and supporting ultra-high resolution 8K video transmission. This solution allows multiple devices (speakers, games consoles etc.) to be connected serially, to reduce installation costs, and to link displays. At the same time, it prov...
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GPMI standard: the Chinese alternative to USB-C, HDMI and DisplayPort.
Channel amplifiers in antenna installations.
Channel amplifiers are specialised electronic devices used in antenna installations to selectively amplify TV signals received from individual frequency channels. The device amplifies only selected 'channel packets' (multiplexes) and not the entire frequency range, which minimises the risk of overloading and interference from unnecessary signals (e.g. 5G/LTE from mobile networks or signals from neighbouring transmitters). This allows the parameters to be fine-tuned to the needs of the specific ...
Underground fibre optic cable.
A common problem faced by installers is the need to create a fibre optic link between two buildings that are located on the same plot of land but are several hundred metres apart. If local conditions prohibit or prevent the implementation of such a connection based on telecommunication poles, it is then necessary to bury the cable in the ground....
Group activation of Hikvision network devices and changing their IP addresses using SADP.
SADP (Search Active Device Protocol) is a free and easy-to-use software designed to search the local network for Hikvision IP cameras, DVRs and video door entry systems. It can be used to modify their basic network parameters, activate devices and change or restore passwords. SADP is particularly useful when building large CCTV or video door entry systems. Newly purchased devices must be activated by assigning them a password before use. In addition, the IP addresses of these devices are repeat...
Novinky v knižnici
- 2025-03-21
- Videodomofóny
Hikvision currently offers three video door intercom systems: 2-Wire IP, 2-Wire HD and IP system. The choice of the right system for a customer can be dictated by two factors, which include functionality and the type of communication bus between devices.
- 2025-01-02
- O TV/SAT anténach
Výber správnej antény je kľúčovou otázkou pri každej inštalácii televízora. Pri hľadaní toho správneho modelu by ste mali zvážiť nasledujúce faktory – zisk, smerovosť, miesto montáže, vstavaný zosilňovač signálu a pásmo, na ktoré je anténa naladená.
- 2024-08-25
- Inštalačné komponenty
Jedným z kritérií na rozdelenie hotelových televíznych inštalácií je obsah, ktorý sa tam má distribuovať. Jednoduchšie sú určené na distribúciu len všeobecne dostupnej digitálnej pozemnej televízie, do iných môžu vlastníci umiestniť ďalšie satelitné televízne kanály. Programová ponuka navrhnutá investorom môže byť zameraná na vybrané kategórie hostí a hotelových zákazníkov (cudzojazyčné kanály, tematické kanály a pod.).
- 2024-07-17
- Trochu teórie
PoE (Power over Ethernet) je názov radu metód, ktoré umožňujú napájanie sieťových zariadení cez UTP/FTP káble. Týmto spôsobom je možné napájanie zariadení, ako sú kamery, telefóny, prepínače, prístupové body, atď.
- 2024-06-19
- Merania
Meranie pozemných DVB-T2 a DVB-S/S2 satelitných signálov. Technika merania signálu digitálnej pozemnej televízie DVB-T2 sa príliš nelíši od merania signálu v štandarde DVB-T.
- 2024-06-12
- HIKVISION
Archive library. The information contained therein may be outdated. HikCentral Professional is a complete platform designed to manage Hikvision-branded security systems.