A TDM bus is one application of the principle of

Time-Division Multiplexing Time-division multiplexing (TDM) is a method of transmitting and receiving independent signals over a common signal path by means of synchronized switches at each end of the transmission line so that each signal appears on the line only a fracti ...

. In a TDM Bus, data or information arriving from an input line is put onto specific timeslots on a high-speed

bus A bus (contracted from omnibus, with variants multibus, motorbus, autobus, etc.) is a road vehicle that carries significantly more passengers than an average car or van. It is most commonly used in public transport, but is also in use for cha ...

, where a recipient would listen to the bus and pick out only the signals for a certain timeslot. It resembles the TDM carried out in

synchronous optical networking Synchronous optical networking (SONET) and synchronous digital hierarchy (SDH) are standardized protocols that transfer multiple digital bit streams synchronously over optical fiber using lasers or highly coherent light from light-emitting dio ...

, but the "TDM Bus" term is more commonly used when the bus is inside a single unit like a telecommunications switch or a PC. A specification for putting a TDM bus on

PCI PCI may refer to: Business and economics * Payment card industry, businesses associated with debit, credit, and other payment cards ** Payment Card Industry Data Security Standard, a set of security requirements for credit card processors * Prov ...

hardware has been published as H.100/H.110 by the Enterprise Computer Telephony Forum (ECTF).Linktionary listing based on the Encyclopedia of Networking and Telecommunications
last accessed 2007-02-04] These are not related to the

ITU-T The ITU Telecommunication Standardization Sector (ITU-T) is one of the three sectors (divisions or units) of the International Telecommunication Union (ITU). It is responsible for coordinating standards for telecommunications and Information Commu ...

recommendations with the same identifiers.

References

Telephony