... to measure the end-to-end loss of optical fiber links. A launch cable, which connects the ... OTDR test cables are available in two forms. Fiber Boxes, which are available in standard lengths up to ... specify type (e.g. ST, SC, FC)Other connector types, fiber types, and fiber lengths are available.How to Generate ... loss of the far-end connection.• By using Fiber Box as both launch and receive cables, as ...