May
12
2016
9 steps of Evolution of Fiber Networks – Step 7
<< Back to Step 6   In step 7, we are seeing adding of Fixed Wavelength type add/drop multiplexers (ADM's), to enable a scheme, which could offer not just simple point to point path,
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Aug
12
2008
What is SDH and what is the difference between SDH and PDH?
Summary: SDH is very useful equipment that is used for the telecommunication sector in easy transfer of data. Earlier PDH was widely used but due to some of its weaknesses, SDH has replaced the
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