CXR Larus FOCI-TTX-FX-25D-Cxx Module media converter switch 10/100BT à 100FX ,25db, SC, Single mode, choise of Lambda 1430,1450,1470,1490,1510,1530,1550,1570, 1590 or 1610nm, or colour C09à C18, IN-Band management from opposite management FOCIR, external AC.