Bolum 1 : Haberlesme Sistemlerine Giris ( Telefon , Data , Internet , TDM , FDM , Standartlar) Bolum 2 : PDH : Plesiochronous Digital Hierarchy ( Yakin Eszamanli Sayisal Hiyerarsi : 64k , 2M , 8M , 34M , 140M ) Bolum 3 : SDH : Synchronous Digital Hierarchy ( Eszamanli Sayisal Hiyerarsi :155M , 622M , 2.5G , 10G , 40G) Bolum 4 : DWDM : Dense Wavelength Division Multiplexing ( Yogun Dalgaboyu Bolusmeli Coklama : 40 / 80 channel ) Bolum 5 : OTH ; Optical Transport Hierarchy (Optik Tasima Hiyerarsisi : 2.5 G , 10 G , 40 G , 100 G ) Bolum 6 : NGN : Next Generation Network (Gelecek Kusak Aglar : Mimari Yapisi ve Protokoller ) Bolum 7 : Referanslar ve Oneriler |