Item No.:JF-2801 Product Name:FC type patch cord JF-2801SS simplex, single mode (9/125um) JF-2801SM simplex, Multi-mode (62.5/125um) JF-2801DS Duplex, single mode JF-2801DM Duplex, Multi-mode > Cable length: 1, 2, 3, 5, 10 m.