Multichannel digital audio tape recorder (DATR), reel-to-reel system, for professional use - Part 2: Format B
Edition 1998-10-02

Multichannel digital audio tape recorder (DATR), reel-to-reel system, for professional use - Part 1: Format A
Edition 1997-09-24

Optical amplifiers - Test methods - Part 10-3: Multichannel parameters - Probe methods (IEC 61290-10-3:2002)
Edition 2004-03-01

Recommended methods of measurement on receivers for television broadcast transmissions - Part 5: Electrical measurements on multichannel sound television receivers using the NICAM two-channel digital sound-system (IEC 60107-5:1992+A1:1999)
Edition 2000-04-01

Multi-channel radio frequency connectors - Part 3: Sectional specification for MQ5 series circular connectors ((IEC 63138-3:2022) EN IEC 63138-3:2022) (german version)
Edition 2023-09-01

Multi-channel radio-frequency connectors - Part 2: Sectional specification for MQ4 series circular connectors ((IEC 63138-2:2020) EN IEC 63138-2:2021) (german version)
Edition 2022-06-01

Multi-channel radio frequency connectors - Part 1: Generic specification - General requirements and test methods ((IEC 63138-1:2019) EN IEC 63138-1:2019) (german version)
Edition 2020-10-01

Optical amplifiers - Test methods - Part 10-5: Multichannel parameters - Distributed Raman amplifier gain and noise figure ( IEC 61290-10-5:2014) (german version)
Edition 2015-05-01

Optical amplifiers - Test methods - Part 10-4: Multichannel parameters - Interpolated source subtraction method using an optical spectrum analyzer (IEC 61290-10-4:2007)
Edition 2008-03-01

Optical amplifiers - Test methods - Part 10-2: Multichannel parameters - Pulse method using a gated optical spectrum analyzer (IEC 61290-10-2:2007)
Edition 2008-08-01