wkładka SPF GPON ONT firmy ZISA model op151s 

oprogramowanie pozwala na zmianę wielu parametrów w tym SN

link do producenta opisu http://www.zisacom.com/c/default/pageId/5541dd482034da9f368b45ce/articleId/5541dd482034da9f368b4584

i Datasheet http://file.tuweia.cn/927fa6eede2a84109cc0f3e6a611da30954ddb80.pdf

OP151S GPON Stick 1GE ONT is a new terminal mode for GPON solution, which is a variety of FTTB \ FTTH \ FTTO accessing ONT published by ZISA for carrier-grade FTTH network applications. It can be plug into L2 Ethernet Switch SFP Slot to work as ONT or even MDU. OP151S supports standard OMCI, can provide up to 1.25Gbps uplink and 2.5Gbps downlink high-speed transfer rate. It can fully meet carrier-grade FTTB\FTTH\FTTO equipment requirement. The ISP customer need not change the original FTTB Access Switch but just need OP151S to replace the uplink SFP, so that the whole solution can be replace from Active Fiber Networks to GPON solution, which protect your former investment