Data throughput across the WAN / MAN range is continuously increasing. The expansion of the fiber optic access network, the use of new services and applications and the therefore the need for more data centers that need to be networked with one another, require high availability and reliability networks. The network should be able to expand flexibly and at the same time guarantee the highest network availability, and this starts at the passive layer 1. Low Loss connectors with minimal attenuation, easy installation, handling and maintenance of fiber and cable management systems, all this and much more, network operators will get in the system solutions of the cabling specialist R&M, which has access to an experience of more than 50 years.