... OTDR test cables are available in two forms. Fiber Boxes, which are available in standard lengths up ... SMF-281000 m (3281 ft) x1, x2 — connectors for multimode cables, specify type (e.g. ST, SC)y1, y2 ... . ST, SC, FC)Other connector types, fiber types, and fiber lengths are available.How to Generate a Baseline ... loss of the far-end connection.• By using Fiber Box as both launch and receive cables, as ...