Broadcast

LWL-Verkabelung/Netzwerkinfrastruktur für Broadcast-Anwendungen, Live-Events und TV-Übertragungen

Ob im Studio oder bei der Übertragung von Live-Events: im Broadcast-Bereich werden immense Datenmengen übertragen, die zuverlässig und in Echtzeit verarbeitet werden müssen. Robuste und hochleistungsfähige Glasfaserlösungen sind hierfür unabdingbar. Hinzu kommt das besondere Setting bei Live-Übertragungen – ein komplexes Netzwerk bestehend aus diversen Monitoren, Mikrofonen und Reporterkabinen muss in Hochgeschwindigkeit, schnell, unkompliziert und absolut zuverlässig miteinander verbunden werden.

Darüber hinaus muss das Netzwerk auch bei unterschiedlichen Umwelteinflüssen, hektischer Betriebsamkeit und mechanischer Belastung funktionieren. In unserer langjährigen Zusammenarbeit mit Sendern, Systemintegratoren und Herstellern mobiler Produktionseinheiten ist eine Vielzahl von Plug & Play-Verkabelungslösungen entstanden, mit denen wir heute fast alle Anwendungsfälle abdecken können. Bei der Kameraanbindung sorgen beispielsweise unsere hybriden Steckverbinder parallel für Stromversorgung und Datenübertragung.

In der mobilen Produktionseinheit laufen alle Signale zusammen, werden geschnitten und abgemischt, bevor der fertige Stream per Satellitenfunk übertragen wird. Hier kommen insbesondere unsere Patchkabel mit LC-Duplex-Steckverbindern zum Einsatz. Über unsere PreCONNECT® FIBER Trunks werden die StageBoxen angesteuert – unsere hermaphroditen Heavy Duty-Steckverbinder erlauben die einfache und direkte Verbindung von Kabel zu Kabel.

Technische Anforderungen:

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Bedienungs- und Wartungsfreundlichkeit

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Einfache und schnelle Plug & Play Installation

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Höchste Zuverlässigkeit und Performance

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Any questions?

Here you will find answers to topics related to fiber optic cabling.

What is special about the fiber-optic multimode standard?

The core diameter of the multimode optical fiber is either 50/125 µm or 62.5/125 µm. Multimode means that the fiber is able to transmit multiple light modes. There are at present four frequently used types of MM fiber, each of which has different properties: OM1, OM2, OM3 and OM4. These are used to propagate light of wavelength 850 nm - and less frequently also 1300 nm. Two fibers are needed for a full-duplex connection – one for sending and one for receiving the signal. As things are in 2019, this permits a serial data flow in one direction at a speed of 50 Gigabits per second. 100/200/400 Gigabit Ethernet over multimode fibers uses a different technology, namely “parallel optic transmission”.

What do OM3 and OM4 mean – and what about OM5?

The OM3 fiber made it possible to transfer 10 Gbit/s of data over acceptable transmission lengths of up to 300 m for the first time at a relatively economical cost. 40 Gigabit and 100 Gigabit Ethernet are also supported up to a length of 100 metres.

In 2010, ISO/IEC 11801 defined a OM4 fiber with an improved effective modal bandwidth at 850 nm. The maximum transmission length of an OM4 fiber is 550 m at 10 GBit/s. 100 Gigabit Ethernet is also supported up to a length of 150 metres.

The OM5 fiber is the latest addition to the family of 50-µm multimode fibers. However, special multimode wavelength multiplexing transceivers are needed to make the use of these fibers with their extended transmission range effective. OM5 does not bring with it any improvement in the modal bandwidth or increased maximum transmission distances for existing optional 850-nm transmission protocols.

Singlemode fibers – and are these compatible with MM fibers?

At 9 µm, the fiber core of single-mode cables is considerably smaller than that of multimode fibers. For this reason, only a single light mode can be propagated in the core. The benefits are very low signal attenuation values and runtime delays. This means that singlemode fibers can cover greater distances without the need for any signal amplification or preparation. 

Singlemode and multimode cables are basically not compatible with one another and therefore cannot be connected together.

What is the LC connector all about?

The LC connector is a high-performance fiber-optic connector for single-mode  and multimode fibers and is approximately half the size of the SC connector. As a result, it can provide twice the packing density. It has a push-pull locking mechanism and is configured for 500 to 1,000 mating cycles. The mean insertion loss is only 0.2 dB, and the return loss is 55 dB. 

The LC connector is available as a simplex connector or as a duplex variant. In data centers, multiple duplex connectors are combined to form multi-fiber connection systems Using four LC duplex connectors, it is possible to establish eight connections, while six duplex connectors permit twelve connections. 

MTP® / MPO push-on connectors – definition and applications

The abbreviation MPO stands for “Multi-fiber Push-on Connector”. It is a push-on connector for multi-fiber cables consisting generally of 6, 8, 12 or 24 fibers. The MPO push-on connector is often referred to as an MTP® connector. This is a registered trademark of US Conec. 

The MPO/MTP® push-on connector can be used both for parallel optical applications such as Infiniband, for example, with data rates of up to 120 Gb/s as well as for Ethernet protocols with 40/100/200/400 Gb/s over OM3, OM4 and OS2 multimode fibers. Thanks to the modular nature of MPO/MTP® cabling systems, the effort involved in installing, adapting and maintaining a structured communications cabling system is considerably reduced.