Daetwyler Cables - Information and Communication technology

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Information and Communication technology, Safety cable systems, Building automation, Elevator cable systems, Cable harnessing, logistics and support

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Poznámky redaktora
652.652.5 0. ITU-T G.7 0.D typ.652 The singlemode fibre G. 0,24 dB/km max.652. 0,34 dB/km max. 50% 40% 30% 20% 10% 0,025 0,075 0,1 0,2 0,25 0,3 29% Copper unscreened 8% Spectral attenuation according ITU-T G. 0,20 dB/√km Attenuation 1310 Attenuation 1383 Attenuation 1550 nm ≤ 0,5 dB/km ≤ 0,4 dB/km ≤ 0,35 dB/km 0,4 dB/km ≤ 0,3 dB/km 0,4 dB/km 0,5 ps/√km Informations Attenuation 1625 PMD 0,5 ps/√km ≤ 0,2 ps/√km U-146 Technical changes reserved.652.652.C ≤ 0,4 dB/km 0,4 dB/km ITU-T G. The geometrical, optical and mechanical performance corresponds the relevant international standards.652 ITU-T G.A Singlemode G.D O-band 1300 E-band 1400 S-band 1500 C-band L-band 1600 Systems Wavelength [nm] Fibre standards according ITU-T G.2 0.8 0.652. .3 0.A Accessories ITU-T G.4 0. Singlemode fibre G. 0.D Copper screened 60% 63% Fibre optic systems with very high bit rates and very low chromatic dispersion must use single mode fibre with very low PMD (Polarization Mode Dispersion).D optimised for highest data rate transmission 1310nm 1625 nm. 0,05 dB/√km max.D used from Dätwyler have very low PMD value which much lower than the standard request. 0,36 dB/km typ.Singlemode fibre according G. 0,36 dB/km typ.652. 0,25 dB/km typ.652.652 standard specifying the singlemode fibre into categories.652.6 Typical channel space for CWDM-systems: 20nm Fibre optic Fibre 1270 (nm) 1610 (nm) Attenuation [db/km] 0.652. The zero water peak the E-Band (1383-1480nm) allows use CWDM technology over the full range wavelength.B ≤ 0,4 dB/km ITU-T G. 0,22 dB/km max. 0,34 dB/km max.0 Singlemode G.652.1 0.D Communication technology Coating Cladding Core PMD frequency scale fibre G.D ≤ 0,4 0,4 dB/km 0,3 dB/km 0,4 dB/km 0,2 ps/√km Dätwyler G. 0,24 dB/km typ