digital hierarchy

См. также в других словарях:

• Synchronous Digital Hierarchy — Die Synchronous Digital Hierarchy (SDH) ist eine der Multiplextechniken im Bereich der Telekommunikation, die das Zusammenfassen von niederratigen Datenströmen zu einem hochratigen Datenstrom erlaubt. Das gesamte Netz ist dabei synchron.… …   Deutsch Wikipedia

• Plesiochronous Digital Hierarchy — The Plesiochronous Digital Hierarchy (PDH) is a technology used in telecommunications networks to transport large quantities of data over digital transport equipment such as fibre optic and microwave radio systems. The term plesiochronous is… …   Wikipedia

• Plesiochronous digital hierarchy — Hiérarchie numérique plésiochrone Pile de protocoles 7 • Application 6 • Présentation 5 • Session 4 • …   Wikipédia en Français

• Standardized digital transmission rates for the synchronous digital hierarchy (SDH), the synchronous optical network (SONET), and the optical carrier (OC) hierarchy — ▪ Table Standardized digital transmission rates for the synchronous digital hierarchy (SDH), the synchronous optical network (SONET), and the optical carrier (OC) hierarchy* SDH system SONET system OC level transmission rate in megabits per… …   Universalium

• Synchronous Digital Hierarchy — SDH Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. {{{image}}}   Sigles d une seule lettre   Sigles de deux lettres > Sigles de trois lettres …   Wikipédia en Français

• Synchronous Digital Hierarchy — Synchronous Digital Hierarchy,   SDH …   Universal-Lexikon

• Digital multiplex hierarchy — In telecommunications, a digital multiplex hierarchy is a hierarchy consisting of an ordered repetition of tandem digital multiplexers that produce signals of successively higher data rates at each level of the hierarchy. Digital multiplexing… …   Wikipedia

• Digital Transmission Hierarchies — In telecommunications, the two following distinct digital hierarchical structures exist: Plesiochronous Digital Hierarchy (PDH) Synchronous Digital Hierarchy (SDH) This article related to telecommunications is a stub. You can help Wikipedia by… …   Wikipedia

• Digital transmission group — In telecommunication, a digital transmission group is a group of digitized voice or data channels or both with bit streams that are combined into a single digital bit stream for transmission over communications media. Digital transmission groups… …   Wikipedia

• Digital Signal 0 — (DS0) is a basic digital signaling rate of 64 kbit/s, corresponding to the capacity of one voice frequency equivalent channel.[1] The DS0 rate, and its equivalents E0 and J0, form the basis for the digital multiplex transmission hierarchy in… …   Wikipedia

• Digital Signal 1 — (DS1, sometimes DS 1) is a T carrier signaling scheme devised by Bell Labs.[1] DS1 is a widely used standard in telecommunications in North America and Japan to transmit voice and data between devices. E1 is used in place of T1 outside North… …   Wikipedia