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Except products belongs to Bargain Shop section, all products are warranted by SOPTO only to purchasers for resale or for use in business or original equipment manufacturer, against defects in workmanship or materials under normal use (consumables, normal tear and wear excluded) for one year after date of purchase from SOPTO, unless otherwise stated...

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Defective products will be accepted for exchange, at our discretion, within 14 days from receipt. Buyer might be requested to return the defective products to SOPTO for verification or authorized service location, as SOPTO designated, shipping costs prepaid. .....

Applications

Multiplexers can be used to connect PBX, Hot line and other devices of network from central site to user site through fiber optical cable.Multiplexer Application

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What is the Difference between Modulation and Multiplexing?

 

Modulation is the way a source of information transmits that information through a carrier. For example, look at human speech. A person, the source of information, transmits data by modulating the air with sound waves in a way that is understandable to other humans. In this case the air is the carrier. 

E+E PDH Multiplexer

E+E PDH Multiplexer

 

Multiplexing is when many slower data lines (CAT5, POTS, etc.) are combined into a single faster data line (T1, Optical Fiber). An example is the communications backbone between two cities. A fast, high bandwidth optical line joins the cities together, but when it reaches either city's limits, it is split up into many individual phone or data circuits. 

 

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