This document provides information about an Ericsson RPM2533577/20MR1B fiber cable and details on how to purchase it from Launch 3 Telecom. Launch 3 Telecom offers competitive pricing on telecom equipment and genuine Ericsson replacement parts. They provide same-day shipping for orders received by 3PM EST as well as warranty and return policies. Launch 3 Telecom also offers services like equipment repair, maintenance contracts, de-installation, and telecom equipment recycling.