What is the history of Ethernet indeed? How and who had came up with such a visionary idea that later changed our world?     In 1973, the employees of Xerox’s Palo Alto Research C

An interesting historical fact.     Alexander Graham Bell invested and patented twisted pair cabling and optical telephone in 18

>>> Back to Step 8   In this last, (but technology is ever developing, it is last just at the time w

<< Back to Step 7   In this step, ROADM - Reconfigurable Add/Drop Optical Multiplexer was added, which

<< Back to Step 2    Now, at this stage fiber already got pretty good penet