تفاوت افت فیبرنوری در OS1 و OS2

فیبر نوری سینگل مد – استاندارد ITU-T G65x

تفاوت کابل های فیبر نوری سینگل مد OS1 و OS2

G.652A :
Atten </= 0.5 / 0.4 at 1310 / 1550nm
Macrobend </= 0.5 dB at 1550nm
PMD </= 0.5 ps/sqrt(km)

G.652B :
Atten </= 0.4 / 0.35 / 0.4 at 1310 / 1550 / 1625nm
Macrobend </= 0.5 dB at 1625nm
PMD </= 0.2 ps/sqrt(km)

G.652C :
Atten </= 0.4 from 1310 to 1625nm, </= 0.3 at 1550nm, and
at 1383nm, it must be </= that specified at 1310nm, after hydrogen aging.
Macrobend </= 0.5 dB at 1625nm
PMD </= 0.5 ps/sqrt(km)

G.652D (covers all above):
Atten </= 0.4 from 1310 to 1625nm, </= 0.3 at 1550nm, and
at 1383nm, it must be </= that specified at 1310nm, after hydrogen aging.
Macrobend </= 0.5 dB at 1625nm
PMD </= 0.2 ps/sqrt(km)