A520 – PT812 Optical transceiver Description Description Singlemode, BiDi, 120km, 1550nm TX, 1490 nm RX, 100Mbit/s Related products ABB 4.1 800xA Networks (3BSE081392/G)3BSE080235R1 Read more ABB 4.1 800xA Networks (3BSE081392/G)3BSE080208R1 Read more ABB 4.1 800xA Networks (3BSE081392/G)3BSE080211R1 Read more