BroaMan Media Converters are used to provide system I/O and conversion from/to fiber optics. There are three types of Media Converters in the BroaMan systems:
Electrical-Optical – where we convert from signals such as SDI on coax to fiber
Optical-Optical – where we convert from one optical signal to another. For example to transverse wavelengths or to regenerate the optical signal
Optical-Electrical – where we convert optical signals to an electrical interface (such as SDI or MADI coax)
Currently available Electrical interfaces: 3G/HD/SD-SDI – Multirate with or without Reclockers MADI-AES10
Currently available transceivers: 3G/HD/SD-SDI – SM MADI – SM/MM Combination transceivers 100MB Ethernet SM or MM (or similarly coded 4b/5b signals) 1000MB Ethernet SM or MM (or similarly 8b/10b coded signal)
All fiber transceivers are available in up to 18 CWDM wavelengths/colours and up to 80 DWDM wavelengths/colours
Each fiber transceiver can be specified for different attenuation requirements (distance capabilities)
The SDI and MADI transceivers are custom BroaMan transceivers
BroaMan Routers are based around a very high capacity Super FPGA. The Routers are configured and compiled to the application at hand.
The Routers are 100% protocol independent, it doesn’t matter what kind of data stream comes into the router or at which data rate. The routers do not influence or convert the signal, meaning that on the same router one channel can be 3G-SDI, the next one can be MADI, the third one can be Gigabit Ethernet link for file transfers and the fourth can be Optocore.
BroaMan offers different routing modes:
Automatic Router – a unique system approach which makes even the most complex and multi-studio production easy and fast to prepare. Automatic Router system is built around a central Router, which offers multiple fiber connection points to intelligent mobile stageboxes. When stagebox is connected to the connection point the router automatically recognizes which stagebox is connected and routes predefined video and audio signals which are assigned to this stagebox. There is no manual routing required. To change the patch on the connection point the user needs to simply plug in a different stagebox.
3rd party controller – BroaMan router can be controlled from any 3rd party control software or hardware platform (like VSM)
Optocore Control Software – monitors and routes video and audio I/O
All of the listed options are application dependent. The BroaMan Application Engineering team is happy to assist you with the design.
Devices offering Routing: Mux221, Route66 1 Mux22 can be used to create redundant ring topology with MicroRoute module that enables intelligent video multiple drop-off distribution.
Multiple signal channels are aggregated over a single fiber optic link using Wave Division Multiplexing – WDM. Different wavelengths (colours) are combined/multiplexed and de-combined/de-multiplexed, using a passive prism and filters.
WDM is an alternative to TDM multiplexing where the signals are sent in a serial transmission (original multiplexing method of the digital telco). TDM requires the signals to be synchronous (clocking rules are very strict and get stricter as the data rate gets higher) and has practical limits on the size of the data pipe. WDM technology allows for different signals, at different data rates, in different clock domains to be tunnelled together.
Going forward, WDM is better suited and more capable of expanding, with increase in required signal bandwidth for professional video signals, than TDM based systems.
Each SDI video channel in BroaMan systems is represented by its own unique wavelength.
BroaMan products allow multiplexing of any 3rd party fiber channels (SMPTE cameras, audio protocols, 1Gbit Ethernet tunnel) when the wavelength is specified by the customer. Single BroaMan channels can be reserved for a full 2GBit Optocore stream offering a transport of up to 1024 audio channels, Ethernet, serial data and sync.
BroaMan systems offer WDM, CWDM or DWDM multiplexing technology with up to 240Gbit bandwidth on a single fiber strand:
Up to 2 SD/HD/3G-SDI video channels per fiber link using WDM
Up to 8 (or 181) SD/HD/3G-SDI video channels per fiber link using CWDM
Up to 80 SD/HD/3G-SDI video channels per fiber link using DWDM
1 Systems with channel count above 8 using CWDM require the water-peak free fiber cable.
