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questão pegou pesado agr. Já tinha visto SX, LX, BX, CX... agora ZX....
Enfim, vivendo e aprendendo.
como diz o nosso colega:
"fortuna audaces sequitur"
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The Cisco GLC-ZX-SM operates on ordinary single mode fiber optic link spans of up to 70 km in length. Link spans of up to 100 km are possible using premium single mode fiber or dispersion shifted single mode fiber (premium single mode fiber has a lower attenuation per unit length than ordinary single mode fiber; dispersion shifted single mode fiber has both lower attenuation per unit length, and less dispersion).
https://www.cisco.com/c/en/us/products/interfaces-modules/1000base-zx-sfp/index.html
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Letra C.
1000BASE-ZX
1000BASE-ZX is a non-standard but multi-vendor[citation needed] term to refer to Gigabit Ethernet transmission using 1,550 nm wavelength to achieve distances of at least 70 kilometres (43 miles) over single-mode fiber. Some vendors specify distances up to 120 kilometres (75 miles) over single-mode fiber, sometimes called 1000BASE-EZX. Ranges beyond 80 km are highly dependent upon the path loss of the fiber in use, specifically the attenuation figure in dB per km, the number and quality of connectors/patch panels and splices located between transceivers.
https://en.wikipedia.org/wiki/Gigabit_Ethernet#1000BASE-ZX
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Olha como eu decorei.
Imagina que uma Zebra correu atrás de você por 80km, quando de repente você enxerga um Elefante com 40 Metros de altura, você pede ajuda para ele , ele diz: corre por mais 5KM que tem um Lugar para se esconder.
1000BASE-ZX 80 km Monomodo
1000BASE-EX 40 km Monomodo
1000BASE-LX 5 km Monomodo
Fui comprar 2 Short um sem bainha de 5,00 e com bainha 1000 vezes melhor de 5,50;
100BASE-FX 2 KM Multimodo
100BASE-SX 500 m Multimodo
1000BASE-SX 550m Multimodo
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Valeu Carlos normando. Show