"Plesio" means nearly, hence the term plesiochronous (nearly synchronous) digital hierarchy (PDH). Higher order multiplexers are used to bit interleave the incoming bit streams into a higher order ...

In Europe, the standards committees also were wrestling with the logical replacement to the Plesiochronous Digital Hierarchy (PDH), which is an asynchronous multiplexing plan to create high-speed ...

The company’s flexible and reliable multi-service platform, DynaFlex, supports mission-critical applications. These require the co-existence of dedicated network critical services, based on TDM and ...

In this chapter we analyze the effect of jitter on synchronous digital systems. We will first introduce the register (also known as flip-flop) as the central element of the design, its associated ...

Provide materials early, as this allows your audience to prepare, refresh their memory or look up things they don't know in advance. It also helps reduce the cognitive load during synchronous online ...

Synchronous learning is any activity in an online course that happens in real-time, like a Zoom meeting or a chat. It requires all participants to be in the same online environment, actively ...

Zayo was founded in 2007 as a network services provider to serve carriers, enterprise and government customers. Zayo is the provider of data transmission infrastructure, of network connecting ...

Wednesday’s fatal stabbing of a Japanese fifth-grader as he walked to his school in the southern Chinese metropolis of Shenzhen—just months after a similar fatal stabbing at a Japanese school ...

Synchronous live sessions are online meetings, webinars or collaborative sessions that take place in a video or audio conferencing tool. They are especially important when learning takes place mostly ...

The world’s time, to which all clocks are set, comes from small national labs. Ukraine’s is in Kharkiv, a city under fire.