The RL Tech RH8004EL OLT is self-developed Compact 1U EPON OLT equipment, meeting the requirements of IEEE802. 3ah and meets the EPON OLT equipment requirements of YD/T 1945-2006 Technical requirements for access network—based on Ethernet Passive Optical Network (EPON) and telecom EPON technical requirements 3.0, possessing super EPON access capacity, carrier-class reliability and the complete security function.