Huawei XGBD 10G Service Board is an 8-port 10G GPON interface card and provides 10G GPON service access for ONT products. This board can maximum access 8*256 10G GPON subscribers. Huawei OLT is the global first optical line terminal which integrates the functionality of the aggregation switch and edge router. It can provide high-density GPON, 10GPON and Ethernet P2P optical access, triple-play service, TDM/ATM/Ethernet leased line services for business customers and high precision clock, and high-density GE/10GE interfaces for cascading remote access equipment.