The Huawei EchoLife EG8145V5 is a routing-type ONT in the Huawei all-optical access solution. It uses the GPON technology to implement ultra-broadband access for users. An access terminal box (ATB) is used to connect drop cables and passive ONU devices. The ATB3101 supports fusion splicing, mechanical splicing, and FA connectors. 3 Configuration Examples for BRAS Access 4. When PPPoE. The Huawei Fiber Optic Terminal Box is a highly reliable and versatile solution for fiber optic network termination, especially in FTTH (Fiber to the Home) and enterprise network deployments.