Saturday, December 20, 2014

Overview Of DIN Rail Fiber Optic Patch Panel

By Lucia Weeks


A patchbay is, in many areas of wired data transmission (eg audio, telephone and video technology or computer networks) a technical device to simplify wiring, where usually several devices are connected, their compounds comfortable using short patch cable may be prepared and changed with attached to front bushings (DIN Rail Fiber Optic Patch Panel).

While in functionally similar cross rails or switching networks, the sources and destinations are created as a matrix and thus arbitrarily can be switched together (n: m), can be associated with patchbays normally only ever a source to a destination (1: 1). The rear is not accessible usually in normal operating on the plug-fields vary - depending on the desired signal quality and ease of remapping are (single or multi-core) connectors, spring terminals or solder tags used.

With the matrix, it is also possible to realize switching more quickly and without interrupting the signal, while the patchbay requires a certain time of physical intervention on the panels and the interruption in signal between a connection and the other. For the benefit of patchbay, there are the much lower cost, reliability and transit totally passive transit signal, regardless from the power supply and the proper functioning of any electronic device.

This type patchbays is also used for digital audio interface with AES / EBU, in variant AES3id; the connector used on back of a patchbay is the BNC type, while the strings have a special coaxial connector. Analog audio signals on a balanced pair or digital AES / EBU. In this case, terminals of disconnector are usually to be welded directly; the strings are stereo jack or fittings multipolar different depending on manufacturer.

This is useful, for example when the microphone input of a mixer, where, according to microphone often a preamplifier (integrated in mixer or external), an equalizer and a compressor in a row are connected. Each trail with each other via a socket pair distribution box is completed, the output of previous device is usually above, the input of next down.

The types of looping through is customizable with many devices from the user, it can switch to happen the exchange of individual modules or soldering. The signal is looped through to a normalized pair of sockets without plugging the cable via an internal bridge from education to entrance. If a connector is performed in one of two sockets, the bridge will be interrupted.

Naturally it is not possible to cross between them two types of different signals. As a general rule, although it is not a fixed rule, the top line of panel receives incoming connections to patchbay (and then the outputs of machines), while the lower sends outgoing connections (and therefore to inputs machines ).

There is a firm connection between all bushings, which is not interrupted by cable plugging. This makes it possible to derive from the stereo sum of mixer, the signals for a recording device. With an open configuration exists between the two jacks on no electrical contact. The patchbay or disconnector is a system that interfaces between them different sections of a wiring. Typically consists of a series of perforated panels on the back of which are radiused sections wiring. Between a hole and the other, that is, by two sections, it is possible to realize a connection via a length of cable, also called a patch cord or rope.




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