Liturex's LCBS-CTC2 is an SFP+ packaged XG/G PON OLT module. The XGPON module includes 1270nm/1577nm optical devices, and the GPON module includes 1310nm/1490nm optical devices. The uplink uses burst mode technology to achieve the best sensitivity and extend the transmission distance. For the 9.953G downlink, a new 1577nm BH DML laser is used, which has the characteristics of low cost, low power consumption, and high emission power.