The V8500’s OLT equipment is the most advanced optical subscriber and is a multi-chassis OLT equipment that can be used in apartment complexes or business sites in densely populated areas. The V8500 is designed to provide full 1Gbps service to buildings, banks, securities firms and more. It is suitable for use by carriers and enterprises because it can freely allocate bandwidth according to customer’s demand. The V8500 is a total of 12 slots and provides 8 10GE, 8 or 16 EPONs, 8 10G-EPONs, 8 or 16 GPONs and 8 XG-PONs per slot. It is designed to provide maximum performance for all interfaces. The V8500 is designed for high capacity switching and provides filtering and traffic management. The V8500 provides two service unit (SFU) and two power supply units (PSUs) for uninterrupted maintenance, and a powerful fan module provides the system’s cooling system.