PDH technology

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• Ethernet over PDH — or EoPDH is one of many techniques that provided Ethernet connectivity over non Ethernet networks. Specifically, EoPDH is a standardized methodology for transporting native Ethernet frames over the existing telecommunications copper… …   Wikipedia

• Public switched telephone network — The public switched telephone network (PSTN) is the network of the world s public circuit switched telephone networks. It consists of telephone lines, fiber optic cables, microwave transmission links, cellular networks, communications satellites …   Wikipedia

• Circuit Emulation Service — (CES) is an emerging telecommunication technology used to transmit time division multiplexed (TDM) services such as the traditional Digital Signal (DS) and the E carrier circuits over Asynchronous Transfer Mode (ATM) networks. Newer applications… …   Wikipedia

• Commtel Networks — Pvt Ltd. Type Privately held company Industry Telecommunication, Surveillance Founded July, 1998 …   Wikipedia

• Time-division multiplexing — (TDM) is a type of digital or (rarely) analog multiplexing in which two or more signals or bit streams are transferred apparently simultaneously as sub channels in one communication channel, but are physically taking turns on the channel. The… …   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

• Asynchronous Transfer Mode — In electronic digital data transmission systems, the network protocol Asynchronous Transfer Mode (ATM) encodes data traffic into small fixed sized cells. The standards for ATM were first developed in the mid 1980s. The goal was to design a single …   Wikipedia

• Mainstream Science on Intelligence — The article as it appeared in the Wall Street Journal on Tuesday December 13, 1994 Mainstream Science on Intelligence was a public statement issued by a group of academic researchers in fields allied to intelligence testing that claimed to… …   Wikipedia

• Cramer Systems — Cramers System Group Ltd. Type Private (subsidiary of Amdocs) Industry telecommunications Genre OSS systems for telecom providers Founded England, 1996 Founder(s) …   Wikipedia

• Provider Backbone Bridge Traffic Engineering — Dans le domaine des télécommunications, Provider Backbone Bridge Traffic Engineering (PBB TE), également connu sous le nom de Provider Backbone Transport (PBT), est un protocole de communication Ethernet de classe opérateur. Il repose sur des… …   Wikipédia en Français

• Orckit-Corrigent — Type Public (NASDAQ: ORCT)(TASE:  …   Wikipedia