Appendix2. Recommended parameters to be included in the link losses calculation. Link losses dB (Maximum loss) Cable loss (for standard SMF) 0.5dB/km Splice loss (for standard SMF) 0.1 Connectors loss 0.5 Appendix3. Optical performance for standard (ITU-T G652) Single Mode Fibres PARAMETER Attenuation at water peak REQUIREMENT ≤2.1 dB/km Attenuation coefficient at 1310 nm ≤ 0.5 dB/km Attenuation coefficient at 1550 nm Optical discontinuities at 1310 and1550 nm ≤ 0.4 dB/km < 0.1 dB Chromatic dispersion between 1285and 1330 nm Chromatic dispersion at 1550 Cable cutoff wavelength ≤3.5 ps/nm·km ≤ 18 ps/nm· km ≤1260 nm Appendix4. Optical Performance for Multimode fibres (ITU-T G651.1) PARAMETER Attenuation coefficient at 850 nm Attenuation coefficient at 1300 nm Optical discontinuities at 1310 and 1550 nm Bandwidth Distance Product at 850 nm Bandwidth Distance Product 1300 nm REQUIREMENT ≤3.0 dB/km ≤0.7 dB/km < 0.1 dB ≤160 MHz.km ≤500 MHz.km 17