Huawei CGHF XG-PON Board

Huawei CGHF Overview

The Huawei CGHF is a high-density 16-port Combo OLT interface board for MA5800 series Optical Line Terminals, offering simultaneous GPON and XG-PON access, supporting high bandwidth (10G/2.5G), large split ratios (1:256 XG-PON, 1:128 GPON), advanced features like jumbo frames, and smooth evolution to 50G PON, all while boasting energy efficiency and hot-swappable design for FTTx deployments. 

Product Features

• Combo Technology: Supports both GPON and XG-PON on the same ports, allowing for flexible and gradual upgrades.
• High Port Density: 16 ports per board for efficient network build-out.
• High Throughput: Delivers asymmetric rates (e.g., 10G/2.5G for XG-PON, 2.5G/1.25G for GPON).
• High Split Ratios: Supports up to 1:256 for XG-PON and 1:128 for GPON.
• Forwarding Capacity: 200 Gb/s per board for high-speed data handling.
• Advanced PON Support: Works with standard GPON/XG-PON ONUs, including N2a modules.

Integrated Multi-Technology Access for Telecom Operators
The Huawei CGHF XG-PON Board delivers a high-density 16 combo port solution enabling telecom operators and network service providers to leverage both GPON and XG-PON technologies simultaneously. Primarily designed for the Huawei MA5800 series Optical Line Terminals, it facilitates smooth, staged network migrations from GPON to XG-PON without disrupting existing subscriber services. This dual-technology compatibility supports scalable deployments, accommodating large subscriber bases in Fiber-to-the-Home (FTTH) environments while ensuring cost-effective infrastructure expansions for network operators managing multiple broadband access generations.

Advanced Technical Specifications for High Capacity Networks
Engineered with high throughput capabilities, the Huawei CGHF XG-PON Board achieves asymmetric data rates of up to 9.953 Gbps downstream and 2.488 Gbps upstream for XG-PON, alongside 2.488 Gbps downstream and 1.244 Gbps upstream for GPON. Each board supports a forwarding capacity of 200 Gb/s and large split ratios, with up to 1:256 for XG-PON and 1:128 for GPON, facilitating extensive network coverage. Additional technical features include jumbo frame support up to 9,216 bytes, hot-swappable design, and advanced protection mechanisms such as FEC and type B and C protection schemes, ensuring robustness and high availability in demanding network scenarios.

Deployment Scenarios Focusing on Scalable Broadband Infrastructure
The Huawei CGHF XG-PON Board is strategically suited for high-capacity broadband access in large residential and enterprise environments. It supports long-distance coverage of up to 40 kilometers, enabling cost-effective infrastructure rollout in urban and suburban regions with high user density. Through enhanced forwarding performance and energy-efficient operation modes, the board assists operators in managing traffic growth driven by high-definition video streaming, 8K content delivery, and emerging VR applications. This solution integrates seamlessly with existing MA5800 OLT deployments, enabling network scalability with minimized operational disruption and extended lifecycle management.


Product Advantages

Modular Design Optimized for Seamless System Integration
The Huawei CGHF XG-PON Board’s modular 16-port combo configuration allows simultaneous XG-PON and GPON connectivity within a single board, optimizing slot utilization in the MA5800 series. Its hot-swappable design facilitates easy maintenance and rapid upgrades without interrupting live services, reducing operational downtime. Compatibility with multiple OLT service board slots (X2, X7, X15, X17) ensures flexible deployment across various network scales. The board’s robust architecture incorporates advanced protection mechanisms, including bidirectional CAR groups and rogue ONT detection, enhancing network security and stability while aligning with industry best practices for access network infrastructure.

High Performance and Operational Efficiency for Network Providers
With a forwarding capability of 200 Gb/s and asymmetric bandwidth support, the Huawei CGHF XG-PON Board delivers superior data handling suited for heavy broadband demands. Its support for large split ratios—up to 256 subscribers per XG-PON port—enables dense user coverage with reduced fiber deployment costs. The board’s jumbo frame support and energy-saving modes contribute to enhanced throughput and operational cost efficiency. Additionally, features like PON ISSU and variable-length OMCI provide streamlined software upgrades and management flexibility, thereby reducing total cost of ownership and improving network lifecycle performance for enterprise and service provider users.


Application Scenarios

Downloadable resources

Huawei CGHF Board Datasheet

Technical Specifications

Use Scenarios

Network Upgrade Facilitator in Evolving Fiber Access Deployments
In the context of ongoing FTTH network upgrades, the Huawei CGHF XG-PON Board enables telecom operators to seamlessly transition from GPON to XG-PON technology without wholesale hardware replacement. Operating within large-scale metropolitan and suburban access networks, it supports simultaneous GPON and XG-PON subscriber access, ensuring service continuity during phased infrastructure improvements. The board’s ability to manage large split ratios and extended reach up to 40 km suits operators seeking to maximize fiber utilization while complying with stringent broadband quality standards. Integration with Huawei MA5800 OLT systems allows centralized management and smooth technology evolution aligned with operational workflows.

High-Capacity Access for Bandwidth-Intensive Service Environments
For industry scenarios requiring high-speed broadband delivery such as 8K video streaming and VR applications, the Huawei CGHF XG-PON Board provides essential bandwidth and forwarding capacity. Telecommunications and enterprise access networks benefit from the board’s combined use of asymmetric XG-PON and GPON ports, ensuring robust throughput up to 10 Gbps downstream. Its advanced QoS mechanisms and protection features optimize data traffic management under demanding usage profiles. Deployment in dense urban areas or large residential complexes is simplified by the board’s compatibility with existing MA5800 series OLT platforms, promoting efficient bandwidth allocation and scalable network architecture supporting future service growth.


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