Swedish Telecom Opto¨s racks, cassettes and enclosures are industry standards designed to meet the specification rack mounting. Easy to install. Input use MTP/MPO high density multifibers connectors adapter and output usually with LC,SC,FC,E2000 adapter and so on. It fit for different installation environment and easy to install between different transmission equipment or different racks and cassette modules. Our connectors are 100% factory tested and can meet your special requirements.All the MTP/MPO connector compliance with Telcordia GR-1435-Core Compliant. As our FHX MTP-LC Cassettes.