... port, optionally 1~8 GEPON optical port, Through Optical splitter together with Optic Network Unit (ONU), it completes optical last ... mile with up to 1 Gbps of bandwidth. OLT-UT408, with telecommunication ... : 1310nm, distance: 120Km Downriver interface type(choose component) 1. GEPON OLT converter module, SFP, optic portSC, TX wavelength: 1490nm, RX: ...