\u00d6zetle a\u011f cihazlar\u0131na tak\u0131lan bu mod\u00fcller elektriksel sinyali \u0131\u015f\u0131k sinyali \u015feklinde iletmeye (fiber mod\u00fcl) veya elektriksel sinyali yine elektriksel sinyal (bak\u0131r mod\u00fcl) olarak iletmeye yaramaktad\u0131r.<\/p>\n
Eski teknolojide GBIC (cibik), SOC, XENPAK gibi b\u00fcy\u00fck mod\u00fcller kullan\u0131lmaktad\u0131r. SFP yeni teknolojidir. SFP mod\u00fcller ile fiber kablo giri\u015f boyutlar\u0131 ve mod\u00fcl konnekt\u00f6r boyutlar\u0131 k\u00fc\u00e7\u00fclt\u00fclm\u00fc\u015ft\u00fcr.<\/p>\n
SFP mod\u00fcl ile LC giri\u015fli fiber optik kablo kullan\u0131l\u0131r.<\/p>\n
SFP mod\u00fcllerin SX ve LX t\u00fcrleri vard\u0131r.<\/p>\n
SX SFP ile LC giri\u015fli multi mode fiber kablo kullan\u0131l\u0131r.<\/p>\n
LX SFP ile LC giri\u015fli single mode fiber kablo kullan\u0131l\u0131r.<\/p>\n
Not:<\/strong> Altyap\u0131 multi mod fiber kablo ise LX t\u00fcr mod\u00fcl de \u00e7al\u0131\u015fmaktad\u0131r.<\/p>\n Genel Bak\u0131\u015f:<\/strong> Halk aras\u0131nda \u201ccibik mod\u00fcl\u201d \u015feklinde kullan\u0131lan GBIC mod\u00fcl\u00fcn a\u00e7\u0131l\u0131m\u0131 \u201cGigabit Interface Converter\u201d yani \u201cGigabit Aray\u00fcz D\u00f6n\u00fc\u015ft\u00fcr\u00fcc\u00fc\u201dd\u00fcr.<\/p>\n SFP mod\u00fcl\u00fcn a\u00e7\u0131l\u0131m\u0131 ise \u201cSmall Form-Factor Pluggable\u201d yani \u201cK\u00fc\u00e7\u00fck Form Fakt\u00f6rl\u00fc Tak\u0131labilir\u201ddir. G\u00fcn\u00fcm\u00fczde fiber veya bak\u0131r iletimde en \u00e7ok SFP mod\u00fcller kullan\u0131lmaktad\u0131r. GBIC ve SFP fiber teknolojiyi de destekleyen Switch\/Router gibi a\u011f cihazlar\u0131na tak\u0131lan mod\u00fcllerdir. Bak\u0131r veya fiber kablo da bu mod\u00fcllere tak\u0131lmaktad\u0131r. Fiber GBIC ve fiber SFP mod\u00fcller sayesinde elektriksel sinyaller \u0131\u015f\u0131\u011fa d\u00f6n\u00fc\u015ft\u00fcr\u00fclerek fiber kablo ile iletilebilmektedir. Bu durum a\u015fa\u011f\u0131da g\u00f6sterilmi\u015ftir.<\/p>\n Gigabit Ethernet, 1 GigE veya GbE ifadeleri \u00e7e\u015fitli teknolojilerin kullan\u0131lmas\u0131 ile Ethernet frame\u2019lerinin y\u00fcksek h\u0131zlarda ta\u015f\u0131nmas\u0131 i\u015fleminde kullan\u0131lmaktad\u0131r. Bu frame\u2019ler Gigabit Ethernet teknolojisi ile saniyede 1 gigabit h\u0131z ile ta\u015f\u0131nmaktad\u0131r. Saniyede 1 gigabit h\u0131z, saniyede 1.000.000.000 bit h\u0131z demektir. A\u015fa\u011f\u0131da bu d\u00f6n\u00fc\u015f\u00fcmler verilmi\u015ftir. Gbps\u2019in a\u00e7\u0131lm\u0131 \u201cGigabit Per Second\u201dd\u0131r yani \u201csaniye ba\u015f\u0131na d\u00fc\u015fen gigabit\u201dtir. Benzer \u015fekilde mbps\u2019in a\u00e7\u0131lm\u0131 \u201cMegabit Per Second\u201dd\u0131r yani \u201csaniye ba\u015f\u0131na d\u00fc\u015fen megabit\u201d, kbps\u2019in a\u00e7\u0131lm\u0131 \u201cKilobit Per Second\u201dd\u0131r yani \u201csaniye ba\u015f\u0131na d\u00fc\u015fen kilobit\u201d ve bps\u2019in a\u00e7\u0131lm\u0131 \u201cBit Per Second\u201dd\u0131r yani \u201csaniye ba\u015f\u0131na d\u00fc\u015fen bit\u201dtir.<\/p>\n GBIC mod\u00fcl ve SFP mod\u00fcl Gigabit Ethernet porta tak\u0131lan giri\u015f\/\u00e7\u0131k\u0131\u015f (I\/O, input\/output) cihazlar\u0131d\u0131r. Bu cihazlar sayesinde 1000BASE-X yani 1 gigabit h\u0131z\u0131nda \u00e7al\u0131\u015fan fiber optik a\u011flar\u0131 veya bak\u0131r a\u011flar cihaz portlar\u0131na ba\u011flanmaktad\u0131r. Bu h\u0131z miktar\u0131 fiber teknolojisi sayesinde daha da artm\u0131\u015ft\u0131r. G\u00fcn\u00fcm\u00fczde 10 gigabit h\u0131z\u0131nda \u00e7al\u0131\u015fan ve 10 gigabit fiber optik a\u011flar\u0131 cihaz portlar\u0131na ba\u011flayan SFP mod\u00fcller de vard\u0131r. Switch (anahtarlama) veya router (y\u00f6nlendirici) gibi a\u011f cihazlar\u0131na tak\u0131lan mod\u00fclleri 3 ana ba\u015fl\u0131kta inceleyece\u011fiz.<\/p>\n \u015eimdi bunlar\u0131 inceleyelim.<\/p>\n Switch veya router gibi a\u011f cihazlar\u0131na tak\u0131lan GBIC veya SFP mod\u00fcller optik bir ara y\u00fcz olan 1 al\u0131c\u0131 RX (receiver port) ve 1 verici TX (transmitter port)\u2019a sahiptir. Optik bir aray\u00fcz denilmesinin nedeni; mod\u00fcl ile fiber kablonun konnekt\u00f6r arac\u0131l\u0131\u011f\u0131yla birbirine ba\u011flanmas\u0131d\u0131r.<\/p>\n A\u015fa\u011f\u0131da \u00f6rnek bir 1 gigabit kapasiteli SFP mod\u00fcl ba\u011flant\u0131 \u015femas\u0131 verilmi\u015ftir.<\/p>\n \u201c1 Gig SFP Mod\u00fcl \u00d6rnek Ba\u011flant\u0131s\u0131\u201d<\/p>\n GBIC ve SFP fiber mod\u00fcllerin konnekt\u00f6rleri de farkl\u0131d\u0131r ve bu konnekt\u00f6r tiplerine g\u00f6re fiber kablo se\u00e7imi yap\u0131lmal\u0131d\u0131r. \u201cSFP ve GBIC Mod\u00fcllerinin Fiber Konnekt\u00f6r Tipleri\u201d Farkl\u0131 fiber kablo t\u00fcrleri mevcuttur. Bunlar da kullan\u0131lan mod\u00fcle g\u00f6re se\u00e7ilmelidir. A\u015fa\u011f\u0131da yayg\u0131n kullan\u0131lan baz\u0131 fiber kablo t\u00fcrlerine \u00f6rnekler verilmi\u015ftir.<\/p>\n A\u015fa\u011f\u0131da SX ve LX t\u00fcrlerinde mod\u00fcllere ait dalga boylar\u0131 verilmi\u015ftir. SX ifadesi \u201cShort Wavelength\u201d yani \u201cK\u0131sa Dalga Boyu\u201d anlam\u0131na gelmektedir. LX ifadesi \u201cLong Wavelength\u201d yani \u201cUzun Dalga Boyu\u201d anlam\u0131na gelmektedir.<\/p>\n \u201cSX\/LX GBIC ve SFP Mod\u00fcller Tablosu \u201c<\/strong><\/p>\n SC, LC gibi kablo t\u00fcrlerine (fiber type), kablonun kal\u0131nl\u0131\u011f\u0131na (core size, micron), \u0131\u015f\u0131\u011f\u0131n frekans\u0131na (Modal Bandwidth, MHz-km) g\u00f6re maksimum kullan\u0131labilecek fiber kablo uzunlu\u011fu de\u011fi\u015fmektedir. A\u015fa\u011f\u0131da bununla ilgili Cisco firmas\u0131n\u0131n sitesinden al\u0131nm\u0131\u015f tablolar bulunmaktad\u0131r.<\/p>\n \u201cSX\/LX GBIC ve SFP Mod\u00fcller Cisco Tablosu \u201c<\/strong><\/p>\n SX SFP mod\u00fcl LC multi mode fiber kablo ile kullan\u0131lmaktad\u0131r. K\u0131sa mesafelerde kullan\u0131lmaktad\u0131r. LX SFP mod\u00fcl LC single mode fiber kablo ile kullan\u0131lmaktad\u0131r. Uzun mesafelerde kullan\u0131lmaktad\u0131r. Bu durum a\u015fa\u011f\u0131da g\u00f6sterilmi\u015ftir.<\/p>\n \u201cSX ve LX SFP Mod\u00fcller ile Multi ve Single Mod Fiber Kablo Ba\u011flant\u0131lar\u0131\u201d<\/p>\n A\u015fa\u011f\u0131da Cisco marka GLC-SX-MM model bir SFP bulunmaktad\u0131r.<\/p>\n \u201cCisco Marka GLC-SX-MM Model SFP Mod\u00fcl\u201d<\/p>\n A\u015fa\u011f\u0131da Cisco marka WS-G5484 model bir GBIC (cibik) bulunmaktad\u0131r. \u201c1 gigabit LX (Uzun Dalga Boyu, Long Wavelength) SFP Mod\u00fcller\u201d<\/p>\n A\u015fa\u011f\u0131da IBM marka 1 gigabit SX (K\u0131sa Dalga Boyu, Short Wavelength) Seri Optik D\u00f6n\u00fc\u015ft\u00fcr\u00fcc\u00fc (SOC, Serial Optical Converter) g\u00f6r\u00fclmektedir.<\/p>\n \u201cIBM Marka 1 gigabit SX (K\u0131sa Dalga Boyu, Short Wavelength) Seri Optik D\u00f6n\u00fc\u015ft\u00fcr\u00fcc\u00fc (SOC, Serial Optical Converter)\u201d<\/p>\n Bir de piyasada 1 Gigabit h\u0131z\u0131nda kullan\u0131lmak \u00fczere bak\u0131r SFP mod\u00fcller vard\u0131r. Bu mod\u00fcller cat-5 veya cat-6 tipindeki halk aras\u0131nda Ethernet kablosu denilen UTP bak\u0131r kablolar ile kullan\u0131lmaktad\u0131r. UTP\u2019nin a\u00e7\u0131l\u0131m\u0131 \u201cUnshielded Twisted Pair\u201ddir yani \u201cKorumas\u0131z B\u00fck\u00fcml\u00fc Kablo\u201ddur.<\/p>\n \u201cBak\u0131r SFP Mod\u00fcl Ba\u011flant\u0131s\u0131 \u00d6rnek \u015eemas\u0131\u201d<\/p>\n Bu bak\u0131r SFP mod\u00fcller elektriksel sinyalleri yine elektriksel sinyaller \u015feklinde iletmektedir. A\u015fa\u011f\u0131da Beek marka 1000Base-T yani 1 gigabit bak\u0131r SFP mod\u00fcl verilmi\u015ftir.<\/p>\n Bu mod\u00fcllerden ba\u015fka 10 Gigabit teknolojisi ile \u00e7al\u0131\u015fabilen SFP mod\u00fcller de vard\u0131r. Bu mod\u00fcller \u00e7ok daha y\u00fcksek h\u0131zlara ihtiya\u00e7 duyulan a\u011f alt yap\u0131lar\u0131nda kullan\u0131lmaktad\u0131r. A\u015fa\u011f\u0131da JDSU marka 10 Gigabit (ten gig) SFP mod\u00fcl g\u00f6rmekteyiz.<\/p>\n https:\/\/www.sfpturkiye.com<\/a><\/p>\n http:\/\/sfpturkey.com.tr<\/a><\/p>\n satis@sfpturkey.com.tr<\/a><\/p>\n info@sfpturkey.com.tr<\/a><\/p>\n
\nPiyasada daha \u00e7ok SFP mod\u00fcller kullan\u0131lmaktad\u0131r. SFP mod\u00fcl teknolojisi GBIC mod\u00fcllerden sonra \u00e7\u0131kt\u0131\u011f\u0131 i\u00e7in halk aras\u0131nda SFP mod\u00fcle cibik de denilmektedir fakat bu kullan\u0131m yanl\u0131\u015ft\u0131r. \u00c7\u00fcnk\u00fc cibik (GBIC) ve SFP mod\u00fcl ayn\u0131 i\u015fi yapan farkl\u0131 teknolojilerdir. Eskiden farkl\u0131 farkl\u0131 \u015fekillerde ve boyutlarda bulunan d\u00f6n\u00fc\u015ft\u00fcr\u00fcc\u00fc mod\u00fcllere GBIC, SOC, XENPAK gibi farkl\u0131 farkl\u0131 isimler verilmi\u015ftir. Daha sonra t\u00fcm markalarda SFP teknolojisine d\u00f6n\u00fclm\u00fc\u015ft\u00fcr. B\u00f6ylece kullan\u0131lan fiber konnekt\u00f6r de mod\u00fcl\u00fcn kendisi de boyut olarak k\u00fc\u00e7\u00fclm\u00fc\u015ft\u00fcr. Ayr\u0131ca farkl\u0131 marka a\u011f cihazlar\u0131n\u0131n mod\u00fcl yuvalar\u0131 SFP mod\u00fcl i\u00e7in standartla\u015ft\u0131r\u0131lm\u0131\u015ft\u0131r.<\/p>\nFiber Mod\u00fcl Teknolojisi<\/h2>\n
\n
\nG\u00fcn\u00fcm\u00fcz a\u011f sistemlerinde yayg\u0131n olarak kullan\u0131lan h\u0131za ba\u011fl\u0131 olan teknolojiler verilmi\u015ftir.<\/li>\n
\n\u00d6rnek olmas\u0131 a\u00e7\u0131s\u0131ndan a\u015fa\u011f\u0131da bir switch\u2019e tak\u0131lm\u0131\u015f SFP mod\u00fcl i\u015faretlenmi\u015f olarak g\u00f6rmekteyiz.<\/p>\n\n
Gigabit Fiber Mod\u00fcller:<\/h3>\n
\nFiber GBIC mod\u00fcl SC tipi konnekt\u00f6r kullan\u0131r. Yani GBIC mod\u00fcle SC fiber kablo tak\u0131lmaktad\u0131r.
\nFiber SFP mod\u00fcl LC tipi konnekt\u00f6r kullan\u0131r. Yani SFP mod\u00fcle LC fiber kablo tak\u0131lmaktad\u0131r.<\/p>\n
\n\u201cSFP ve GBIC Mod\u00fcllerinin Fiber Konnekt\u00f6r Tipleri Tablosu\u201d<\/p>\n\n
\nA\u015fa\u011f\u0131da farkl\u0131 markalara ait 1 gigabit LX (Uzun Dalga Boyu, Long Wavelength) SFP mod\u00fcller bulunmaktad\u0131r.<\/p>\n1 Gigabit Bak\u0131r Mod\u00fcller:<\/h3>\n
10 Gigabit Fiber Mod\u00fcller:<\/h3>\n