ZTE SFP GPON OLT C+ optical transceiver is designed to work together with GPON-type optical line Terminal such as ZTE C300 C320. ZTE SFP GPON OLT C+ is equipped with a high-quality emitter, and allows to work longer without losing radiation power for a long time and while not allowing the network to sink. ZTE SFP GPON OLT C+ gives out no more than 128 client ONU terminals, while EPON technology allows only 64 client terminals to pass through.