The 5ESS Class 5 Switch first appeared in Seneca, Illinois (815 Area Code) in 1982, slowly replacing the 1ESS switch and other systems in the 1980s and 1990s. The 5ESS was also used as a Class 4 telephone switch or as a mixed Class 4/5 in markets too small for a 4ESS switch. Approximately half of all U.S. telephone exchanges are serviced by 5ESS switches. The 5ESS is also exported internationally, and manufactured outside of the U.S. under license.
Lucent Technologies (now part of Alcatel-Lucent) was formerly the AT&T Network Systems division of AT&T, which in turn was formerly known as Western Electric. The 5ESS came to market as the Western Electric 5ESS, and was most recently marketed under the Alcatel-Lucent name.
A 5ESS Switch Bank generally looks like this:
5ESS Switches most likely reside in a structure that looks like this:
Now the good part, technicians that work on 5ESS Switches will be salaried somewhere in the $70,000 - $80,000 range per year. These technicians are employed by companies such as Verizon & AT&T. It is NOT uncommon for some of these technicians to make $100,000 per year depending upon how much overtime is offered in that calendar year.
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Thank you & have a good day :-) Wally
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