1. BS IEC 61300-3-3. Fibre optic interconnecting devices and passive components. Basic test and measurement procedures. Part 3-3. Examinations and measurements. Active monitoring of changes in attenuation and return loss (15th June 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗