- Optischer Signal-VervielfacherPublished: 2017-10-15German, 627.7 KB, pdfOptischer SignalvervielfacherPublished: 2017-10-15German, 1.0 MB, pdfData concentratorPublished: 2017-10-15Russian, 966.7 KB, pdfPublished: 2015-01-13Russian, 2.3 MB, pdfData distributorPublished: 2015-01-12Russian, 800.7 KB, pdf