Studio Technologies debuts Model 412
Published: PRODUCTS
Studio Technologies has debuted its Model 412 fibre transport system. The Model 412 is described by the manufacturer as a high-performance portable or rack-mounted solution for transporting multiple serial digital video, Madi digital audio, as well as gigabit Ethernet signals over single mode optical fibres. The Model 412 comes in three versions offering a range of SDI/Madi input and output configurations.
The unit uses optical multiplexing to transport six SDI or Madi signals over two single-mode optical fibres at rates of up to 2.97Gb/s and at wavelengths of 1310-, 1490-, and 1550nm. The manufacturer states that in typical applications, the launch power and receive sensitivity allows signals to be transported over a minimum distance of 10km. SDI input signals can be SD, HD, or 3G, and the 3G signals can be in either Level A or Level B format. DVB-ASI signals are also compatible.
Typical SDI-over-fibre products are not compatible with Madi signals as they utilise a different rate and modulation scheme. Each of the Model 412’s SDI/Madi channels is independent, allowing any combination of type, rate and format to be transported.
The provided Ethernet resources include a gigabit media convertor along with a four-port twisted pair Ethernet switch. Two fibres are used to support Ethernet transport, with each of the copper ports supporting 10-, 100-, or gigabit Ethernet signals and providing auto MDI/MDI-X capabilities. Model 412 comes in three types. The Model 412-6T/E offers six SDI/Madi inputs, the Model 412-6R/E provides six SDI/Madi outputs, while the Model 412-3T/3R/E offers three SDI/Madi inputs and three outputs.
Each unit has a front-panel display allowing support personnel to observe the status of the SDI/Madi input and output channels along with optical transmit and receive levels. This information is viewable on web-connected remote devices. Ethernet-related functions such as link status and optical transmit and receive power are also provided.
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