Huawei ES5D21X02S00 Rear Optical Interface Card – 2-Port GE/10GE SFP+ | Hot-Swappable | Stack-Ready
The Huawei ES5D21X02S00 is a 2-port GE/10GE SFP+ rear optical interface card designed for use with the Huawei S5710-EI Series Switches. Engineered for flexible high-speed uplinks and device stacking, this expansion module provides two SFP/SFP+ ports that support Gigabit Ethernet and 10 Gigabit Ethernet connections.
The card is hot-swappable, enabling quick installation or replacement without affecting the switch’s operation—making it ideal for enterprise, campus, or aggregation networks that demand uninterrupted service. With stacking support, it also enables multiple switches to operate as a unified logical device.
🔧 Technical Specifications ES5D21X02S00
| Parameter | Specification |
|---|---|
| Model | ES5D21X02S00 |
| Port Configuration | 2 x GE/10GE SFP/SFP+ ports |
| Interface Type | Optical (SFP/SFP+) |
| Form Factor | Rear interface card |
| Hot Swappable | Yes |
| Stacking Support | Yes, supports Huawei switch stacking |
| Supported Devices | Huawei S5710-EI Series Switches |
| Physical Dimensions | 77 mm × 207 mm × 23 mm |
| Weight | 0.5 kg |
| Operating Temperature | -5°C to +45°C |
| Storage Temperature | -40°C to +70°C |
| Power Consumption | Minimal, powered via host switch |
| Installation | Plug-in module for rear panel |
✅ Key Features ES5D21X02S00
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Dual-Speed Ports: Supports both 1G (GE) and 10G (10GE) SFP/SFP+ optics
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Plug-and-Play Flexibility: Installs easily into the rear slot of compatible switches
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Hot-Swappable Design: No need to reboot switch during maintenance or upgrade
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Stacking Function: Enables logical grouping of multiple switches for simplified management
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Compact and Lightweight: Easy to handle and deploy in high-density racks
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Reliable Performance: Built to Huawei’s high standards for enterprise-grade hardware
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Energy Efficient: Low power draw with passive cooling via host chassis
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Future-Proof Uplinks: Ideal for bandwidth upgrades in growing network environments
📂 Applications
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Enterprise Core and Access Networks
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Campus Aggregation Switches
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High-Speed Uplink Expansion
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Horizontal Stacking for Multi-Floor Cabling
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10G Fiber Interconnects in Data Centers
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Switch Upgrade Projects for Huawei S5710-EI Series
