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plesiochronous

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plesiochronous
Almost synchronous. Refers to a transmission where the sending and receiving devices are synchronized, but set to different clocks. Although the bits may not arrive in the same time slot as they were sent, as long as they arrive within a certain, defined range, the transmission is said to be plesiochronous.
(communications)plesiochronous - Nearly synchronised, a term describing a communication system where transmitted signals have the same nominal digital rate but are synchronised on different clocks.

According to ITU-T standards, corresponding signals are plesiochronous if their significant instants occur at nominally the same rate, with any variation in rate being constrained within specified limits.



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The first panel will be a discussion of last mile solutions for Ethernet and will discuss Ethernet over fiber, Ethernet over Plesiochronous Digital Hierarchy (PDH), Ethernet over copper and wireless Ethernet options.
TranSwitch([R]) Corporation (NASDAQ: TXCC), a leading provider of high-speed semiconductor solutions for voice, data and video communications, today announced that Loop Telecom will be utilizing TranSwitch's EtherMap([R])-PDH devices in their next generation access platform to enable Ethernet over Plesiochronous Digital Hierarchy (PDH) infrastructure.
Telecom vendors can now rapidly deploy EoPDH (Ethernet over Plesiochronous Digital Hierarchy) technology through CPE (Customer Premises Equipment) and an AMC (Advanced Mezzanine Card) module developed jointly by TranSwitch([R]) Corporation (NASDAQ: TXCC), a leading provider of carrier-class semiconductor solutions, and Telrad Networks, a carrier-grade communications equipment vendor.
 
 
 
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