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
A Accessories ITU-T G.652.8 0. 0,05 dB/√km max. 0,34 dB/km max.0 Singlemode G. 0,22 dB/km max.2 0.652 The singlemode fibre G.D optimised for highest data rate transmission 1310nm 1625 nm.652.652. 0,24 dB/km typ.652 ITU-T G.652. 0. 0,36 dB/km typ.D typ.D O-band 1300 E-band 1400 S-band 1500 C-band L-band 1600 Systems Wavelength [nm] Fibre standards according ITU-T G. 0,25 dB/km typ. 0,24 dB/km max. ITU-T G. The geometrical, optical and mechanical performance corresponds the relevant international standards. Singlemode fibre G.652.652.D Communication technology Coating Cladding Core PMD frequency scale fibre G.Singlemode fibre according G. 0,34 dB/km max.3 0.5 0.652. .A Singlemode G.652. 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.C ≤ 0,4 dB/km 0,4 dB/km ITU-T G.4 0. 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 standard specifying the singlemode fibre into categories.D used from Dätwyler have very low PMD value which much lower than the standard request.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).652.6 Typical channel space for CWDM-systems: 20nm Fibre optic Fibre 1270 (nm) 1610 (nm) Attenuation [db/km] 0.652.1 0. 0,36 dB/km typ.D ≤ 0,4 0,4 dB/km 0,3 dB/km 0,4 dB/km 0,2 ps/√km Dätwyler G.B ≤ 0,4 dB/km ITU-T G.7 0.652. The zero water peak the E-Band (1383-1480nm) allows use CWDM technology over the full range wavelength