Commercial Standard Digital Bus
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The Commercial Standard Digital Bus (CSDB) is a multidrop bus, formerly known as the Collins Standard Digital Bus. The maximum speed is 50 kbit/s.[citation needed]
Most civilian aircraft use one of 3 serial buses: the Commercial Standard Digital Bus (CSDB),[1] ARINC 429, or .
The Commercial Standard Digital Bus is a two-wire asynchronous broadcast data transmission bus. Data is transmitted over an interconnecting cable by devices that comply with Electronic Industries Association (EIA) RS-422A. The physical layer is EIA-422.[2]
Messages on the CSDB consist of one address byte followed by any number of data bytes.[2]
References[]
- ^ Cary Spitzer. "The Avionics Handbook". Lee Harrison. Chapter 3: Commercial Standard Digital Bus
- ^ Jump up to: a b "Commercial Standard Communications Bus".
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