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The various serial digital interface standards all use (one or more) coaxial cables with BNC connectors, with a nominal impedance of 75 ohms. This is the same type of cable used in analog composite video setups, which potentially makes for easier "drop in" equipment upgrades (though may be necessary for long runs at the higher bitrates for older oxidising or lower grade of cable to replaced ...
SMPTE 259M is a standard published by SMPTE which "describes a 10-bit serial digital interface operating at 143/270/360 Mb/s." [1]The goal of SMPTE 259M is to define a serial digital interface (based on a coaxial cable), called SDI or SD-SDI.
SDI-12 (Serial Digital Interface at 1200 baud) is an asynchronous serial communications protocol for intelligent sensors that monitor environment data. These instruments are typically low-power (12 volts), are used at remote locations, and usually communicate with a data logger or other data acquisition device.
SMPTE 292 is a digital video transmission line standard published by the Society of Motion Picture and Television Engineers (SMPTE). This technical standard is usually referred to as HD-SDI; it is part of a family of standards that define a serial digital interface based on a coaxial cable, intended to be used for transport of uncompressed digital video and audio in a television studio ...
Serial digital interface (SDI) and HD-SDI. CoaXPress; 75 Ω for video signal (SDI and CoaXPress) on, for example, RG59 and RG6. 50 Ω for data link, like Ethernet on RG58. 93 Ω on RG62. 50 Ω (white/bottom row) and 75 Ω C connectors (red/top row) C connector (Concelman connector) General Radio 874 connectors GR connector (General Radio connector)
Semtech Enables the Future of Video Transport with Industry's First 6G UHD-SDI Adaptive Cable Equalizer Platform and Cable Driver Platform at IBC 2013 The company's IBC 2013 products spotlight ...
The AC effects of the cable limit the quality of the signal and limit the cable length to short distances when high data rates are used. Examples of data rate and cable length combinations vary from 90 kbit/s at 1.2 km to 10 Mbit/s at 5m for RS-422.
The maximum goodput (for example, the file transfer rate) may be even lower due to higher layer protocol overhead and data packet retransmissions caused by line noise or interference such as crosstalk, or lost packets in congested intermediate network nodes. All protocols lose something, and the more robust ones that deal resiliently with very ...