The RL Tech RH8004GL OLT is self-developed Compact 1U GPON OLT equipment, meeting the requirements of ITU-T G.984/G.988 and relative standards of Telecom/Unicom GPON, possessing super GPON access capacity, carrier-class reliability and the complete security function. It can satisfy long-distance optical fiber access requirement on account of its excellent management, maintenance and monitoring capability.