... 2. support 128 pon ports in all 3. GDIOS system Optical Line Terminal: EP8500 OLT SeriesEP8500 Series EPON OLT is a ... product uses rack mount structure, it is composed of a frame, a main control card, a business card and other main ... property rights, integrated with MPLS,IPv6,network safety,EPON passive optical network and so on multi-service, it provides uninterrupted transmit ...