Huawei CGHF is a 16-port XG-PON and GPON Combo OLT interface board with XG-PON & GPON C+/N2a Optical Module. It is used for MA5800-X2, X7, X15, X17 NG OLT system, and works together with the optical network unit (ONU) to provide XG-PON and GPON access services. Huawei SmartAX EA5800 series, including EA5800-X17, X15, X7, and X2, build ultra-broadband, green, and intelligent aggregation access networks for users. Featuring distributed architecture, this multi-service access device provides users with a unified transmission platform for broadband, wireless. The MA5801 series OLT is a compact and low-density box-shaped OLT. It provides multiple fiber to the home (FTTH) solutions to meet the requirements of economical and efficient network construction. Designed for high-density aggregation, this 8-port 10GE SFP+ board leverages a 7 Tbit/s system switching capacity to deliver non-blocking Layer 2 and Layer 3 forwarding with rich MPLS, IPv6. The Huawei H901GPSF is a 16-port GPON OLT interface board designed for the MA5800 series OLT (including MA5800-X2, MA5800-X7, MA5800-X15, and MA5800-X17 models). Widely deployed by Internet Service Providers (ISPs), telecom operators, FTTH service providers, and enterprise network operators, these optical modules enable.