- synchronous digital system
- цифровая синхронная система передачи
English-Russian dictionary of telecommunications and their abbreviations. A.V. Alexandrov.. 2004.
English-Russian dictionary of telecommunications and their abbreviations. A.V. Alexandrov.. 2004.
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
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 optical networking — (SONET) and Synchronous Digital Hierarchy (SDH), are two closely related multiplexing protocols for transferring multiple digital bit streams using lasers or light emitting diodes (LEDs) over the same optical fiber. The method was developed to… … Wikipedia
Digital electronics — Main articles: Electronics and Electronic circuit Digital electronics represent signals by discrete bands of analog levels, rather than by a continuous range. All levels within a band represent the same signal state. Relatively small changes to… … Wikipedia
Digital pattern generator — A digital pattern generator is a piece of electronic test equipment or software used to generate digital electronics stimuli. Digital electronics stimuli are a specific kind of electrical waveform varying between two conventional voltages that… … Wikipedia
Digital Research — Inc. DRI Type Subsidiary Industry Computer software Founded Pacific Grove, California (1976) Headquarters … Wikipedia
Digital telephony — is the use of digital electronics in the provision of digital telephone services and systems. Since the 1960s a digital core network has almost entirely replaced the old analog system, and much of the access network has also been digitized.… … 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 Video Broadcasting — Official DVB logo, found on compliant devices List of digital television broadcast standards … Wikipedia
Digital subscriber line — DSL redirects here. For other uses, see DSL (disambiguation). DSL technologies Standard ADSL ANSI T1.413 Issue 2 ITU G.992.1 (G.DMT) ITU G.992.2 (G.Lite) ADSL2 ITU G.992.3 ITU G.992.4 ITU G.992.3 Annex J ITU G.992.3 Annex L ADSL2+ … Wikipedia
Digital Writing and Research Lab — Director of the DWRL, Diane Davis, with guest speaker Gregory Ulmer DWRL staffer … Wikipedia