1. PD IEC/TR 61156-1-2:2009 + A1:2014. Multicore and symmetrical pairquad cables for digital communications - Part 1-2: Electrical transmission characteristics and test methods of symmetrical pairquad cables

2. PD IEC/TR 61156-1-5:2013. Multicore and symmetrical pairquad cables for digital communications Part 1-5: Correction procedures for the measurement results of return loss and input impedance

3. PD IEC/TR 61278-1997. Live working - Guidelines for dielectric testing of tools and equipment

4. PD IEC/TR 61282-10:2013. Fibre optic communication system design guides Part 10: Characterization of the quality of optical vector-modulated signals with the error vector magnitude

5. PD IEC/TR 61282-11:2012. Fibre optic communication system design guides Part 11: Multimode launch conditions

6. PD IEC/TR 61282-12:2016. Fibre optic communication system design guides Part 12: In- band optical signal-to-noise ratio (OSNR)

7. PD IEC/TR 61282-13:2014. Fibre optic communication system design guides Part 13: Guidance on in-service PMD and CD characterization of fibre optic links

8. PD IEC/TR 61282-14:2016 Fibre optic communication system design guides Part 14: Determination of the uncertainties of attenuation measurements in fibre plants

9. PD IEC/TR 61282-4:2013. Fibre optic communication system design guides Part 4: Accommodation and utilization of non-linear effects

10. PD IEC/TR 61282-9:2016. Fibre optic communication system design guides Part 9: Guidance on polarization mode dispersion measurements and theor