LANCOM SFP-AON-1 - SFP (mini-GBIC) transceiver module - AON, 1GbE - 1000Base-BX10-U, 1000BASE-BX20-U - SC/UPC single-mode - up to 20 km - 1310 (TX) / 1480-1580 (RX) nm - for LANCOM 1790, 1900, 1906, 1926, ISG-1000, ISG-4000, ISG-8000