Zte gpon olt sfp c+ optical transceiver for carrier and isp gpon networks. itu-t g.984.2 class c+ compliant. supports 2.488 gbps downstream (1490 nm) and 1.244 gbps upstream (1310 nm). high-power dfb transmitter with apd receiver. optical budget up to 38 db with transmission reach up to 40 km, suitable for high split ratios. sc/upc connector, single-mode fiber, hot-swappable sfp form factor. supports ddm/dom monitoring. operating temperature 0 °c to +70 °c. compatible with zte gpon olt platforms including c300, c320, c350, and c650. available tx output power options: 8 dbm, 9 dbm, 10 dbm.