Broadband Technologies
Fiber to the X (FTTx) Technologies
BTC 3201
,Introduction
,Introduction – FO Attenuation
, Introduction – FO Attenuation
• FO transmission is best at the Zero Water Peak wavelengths
• Second window (1310nm) and third window (1150nm) are most
preferred
• TDM PON only uses wavelengths in the two windows
• WDM PON uses wavelengths across 2nd and 3rd window, and also
1360nm to 1480nm
Fiber to the X (FTTx) Technologies
BTC 3201
,Introduction
,Introduction – FO Attenuation
, Introduction – FO Attenuation
• FO transmission is best at the Zero Water Peak wavelengths
• Second window (1310nm) and third window (1150nm) are most
preferred
• TDM PON only uses wavelengths in the two windows
• WDM PON uses wavelengths across 2nd and 3rd window, and also
1360nm to 1480nm