A comprehensive guide to EPON network planning and deployment, covering network architecture design, OLT and ONU equipment selection, split ratio planning, optical power budget calculation, fiber cabling requirements, deployment steps, and troubleshooting tips. The PON technology includes: · Ethernet PON (EPON), a passive optical network based on Ethernet, is. NRZ-NFC offers a high-performance/low-cost solution for 25G-EPON. DAC/ADC/DSP may be implemented with low power consumption and small form factor, meeting the requirements for implementations in OLT and ONU. However, it does mitigate burst errors, and for symbol-oriented RS-FEC es for upstream and downstream have different requirements FEC code satisfying PON requirements with a 10-2 n codes are a good fit, because they are easy to implement. The features of the OLT are small, convenient, flexible, easy to ploy, high performance. It is appropriate to deploy in an c AN and IOT applications. Demission of machine frame: 442 mm (Length) x 315 mm network management port. For. This work presents an experimental demonstration of 100-Gbps time-and wavelength-division multiplexed passive optical network (TWDM-PON) with 4 25-Gbps downstream transmission.