Functional Positioning with Target Network Infrastructures The Huawei EH1D2S24CSA0 Interface Card is engineered for deployment within Huawei S9700 series chassis, serving core and aggregation layer networks that demand high bandwidth and robustness. Specifically designed for enterprise and service provider environments, this interface card accommodates diverse connectivity needs by integrating 24 dedicated SFP28 optical ports alongside 8 versatile combo ports. Users such as network architects and system integrators benefit from its hot-swappable design, enabling seamless upgrades and maintenance without impacting operational uptime. This modular approach aligns with evolving network scales and performance requirements, ensuring compatible expansion within Huawei’s established switch ecosystems.
Detailed Technical Features and Performance Metrics This interface card supports dual-rate 25G/10G transmissions with 24 SFP28 optical ports optimized for high-speed data forwarding, alongside 8 combo ports configurable for either electrical or optical interfaces. The distributed data forwarding architecture underpins efficient packet processing at line rate, complemented by a low bit error rate (≤ 10^-12) to maintain signal integrity. The card supports prevalent network protocols including IPv4/IPv6, LACP, and VRRP, facilitating redundancy and enhanced network reliability. Its hot-swappable capability and compatibility with Huawei standard SFP28 and SFP+ optical modules provide engineering flexibility. With dimensions conducive to standard chassis slots and a controlled power consumption of 67W, it meets stringent operational requirements.
Industry Applications and Network Integration Benefits In environments such as large enterprise networks, data centers, and service provider backbones, the Huawei EH1D2S24CSA0 Interface Card plays a critical role in augmenting bandwidth and supporting low-latency, high-reliability traffic forwarding. It seamlessly integrates within Huawei’s S9700 platform to enable core network upgrades or expansions without disrupting service continuity. Its dual-stack protocol support and redundancy features contribute to resilient network topologies. The hot-swappable design minimizes maintenance windows, critical for businesses where uninterrupted connectivity drives operational efficiency. Consequently, this interface card delivers a practical solution for high-density 25G network deployments requiring scalable, dependable switching infrastructure.
Product Advantages
Structural and System Design Optimizations The Huawei EH1D2S24CSA0 Interface Card features a modular architecture that supports hot-swappable installation, significantly enhancing system maintainability and minimizing network downtime. Its integration within Huawei S9700 chassis slots is standardized, ensuring compatibility and ease of deployment across multiple chassis sizes. The inclusion of 24 pure SFP28 ports paired with 8 flexible combo ports provides design versatility, accommodating both optical and electrical interfaces as necessary. This multi-interface adaptability supports varied infrastructure designs without requiring additional hardware, streamlining network expansion or retrofitting. Additionally, the card’s distributed forwarding architecture optimizes data traffic handling at the hardware level to maximize throughput efficiency.
Performance Reliability and Operational Usability Enhancements This interface card enables consistent line-rate switching performance, benefiting from a low bit error rate for data integrity critical in core network scenarios. The dual-rate 25G/10G transmission ensures backward compatibility with existing network modules and supports future capacity upgrades. Its design reduces installation complexity through tool-free, hot-swappable mechanisms, which simplifies maintenance procedures and accelerates deployment timelines. Network administrators gain operational value by leveraging its support for multiple network protocols (IPv4/IPv6, LACP, VRRP), enhancing network redundancy and failover capabilities. Consequently, the Huawei EH1D2S24CSA0 Interface Card offers a reliable, user-centric solution for scalable network infrastructure with minimized operational risks.
Functions and features of the EH1D2S24CSA0
Function
Description
Basic function
Provides line-rate switching on sixteen GE optical ports and eight combo ports. The combo ports can be configured as either optical ports or electrical ports.
NOTE:
A maximum of twenty-four ports, that is, sixteen GE optical ports and eight combo ports, can work at the same time on the EH1D2S24CSA0.
Distributed forwarding
Performs concurrent data forwarding using a distributed data plane.
Hot swapping
The EH1D2S24CSA0 is hot swappable.
Ports on the EH1D2S24CSA0
10/100/1000BASE-T electrical port attributes
Attribute
Description
Connector type
RJ45
Standards compliance
IEEE 802.3ab
Frame format
Ethernet_II, Ethernet_SAP, Ethernet_SNAP
Network protocol
IP
100/1000BASE-X optical port attributes
Attribute
Description
Connector type
SFP
Optical port attributes
Depend on the SFP optical module used.
For details about optical modules supported by the EH1D2S24CSA0 and their attributes, see FE SFP/eSFP Optical Modules, GE eSFP Optical Modules, GE-CWDM eSFP Optical Modules, and GE-DWDM eSFP Optical Modules.
Standards compliance
IEEE 802.3z
Frame format
Ethernet_II, Ethernet_SAP, Ethernet_SNAP
Network protocol
IP
Specifications of the EH1D2S24CSA0
Item
Description
Physical specifications
Dimensions (W x D x H): 394.7 mm x 426.8 mm x 35.1 mm (15.5 in. x 16.8 in. x 1.4 in.)
Weight: 2.26 kg (5.86 lb)
Maximum power consumption: 67 W
Environment specifications
Operating temperature: 0°C to 45°C (32°F to 113°F)
Operating relative humidity: 5% RH to 95% RH (noncondensing)
Storage temperature: -40°C to +70°C (-40°F to +158°F)
Storage relative humidity: 5% RH to 95% RH (noncondensing)
Use Scenarios
Role in Large-scale Enterprise Core Network Upgrades In enterprise core network environments where traffic demands are increasing, the Huawei EH1D2S24CSA0 Interface Card provides critical high-density 25G optical interfaces that enable significant capacity growth. Operating within Huawei S9700 chassis, the interface card supports line-rate switching and distributed forwarding, reducing latency and packet loss. Its hot-swappable design ensures that network upgrades or module replacements occur without service interruption, which is crucial for mission-critical enterprise applications. The combo ports allow seamless integration of optical and electrical connections, fitting heterogeneous network architectures. Hence, this card is integral in supporting scalable, reliable enterprise core infrastructure upgrades with enhanced protocol support for redundancy and traffic management.
Implementation in Data Center Interconnect and Service Provider Networks The Huawei EH1D2S24CSA0 Interface Card is widely applicable in data center interconnect scenarios where high throughput and low latency are essential. Its 24 SFP28 optical ports delivering 25G/10G dual-rate transmission meet the requirements for high-bandwidth aggregation and core switching layers. Service providers utilize the card to provide robust, low-error data forwarding with IPv4/IPv6 dual-stack and redundancy protocols facilitating continuous service delivery. The 8 combo ports’ flexibility allows cost-effective deployment in mixed cabling environments. Installation within Huawei’s modular chassis simplifies system integration and management workflows, enabling scalable upgrades while ensuring network resilience, key for sustained service provider network operations.
EH1D2S24CSA0 FAQ
Q1: What are the core functions of this service board? How are high bandwidth and high reliability of 25G balanced?
A1: It contains 24 pure SFP28 optical ports, supports 25G/10G dual-rate, universal high-reliability forwarding; bit error rate ≤10⁻¹², suitable for core high-bandwidth scenarios, low power consumption ≤132W, making it the preferred choice for 25G core networks.
Q2: Compared with ordinary 24-port 25G optical port boards, what are its core advantages?
A2: The advantages are high reliability and low bit error rate, dual-rate compatibility with new and old equipment, high density saving slots, and green low power consumption, while solving the three major pain points of insufficient reliability, high upgrade costs, and excessive power consumption in core scenarios.
Q3: Does it require a specific optical module? Which core protocols does it support?
A3: Compatible with Huawei standard SFP28 optical modules (25G) and SFP+ optical modules (10G); supports IPv4/IPv6 dual-stack, LACP, and VRRP, meeting the high reliability and redundancy requirements of the backbone layer.
Q4: How to determine if this service board needs to be deployed? Is the installation complex?
A4: Deployment is recommended when medium to large-scale networks require 15-24 25G high-bandwidth terminals for access and core services have extremely high reliability requirements; supports hot-swapping, installation requires no professional tools, ports automatically identify speed, and it's plug-and-play.
Optical Modules Supported by Huawei S Series Switches
