OSN500 21E12 S4.1 Huawei High Quality OptiX DC Power Supply
The OSN500 21E12 S4.1 Huawei is a high-performance DC power supply unit designed for the Huawei OptiX OSN500 series. Built to deliver stable and efficient -48V DC power, this module ensures uninterrupted operation of SDH transmission equipment in access and edge networks. Ideal for telecom carriers and enterprise infrastructures, the 21E12 S4.1 offers compact design, intelligent protection, and reliable Huawei OEM quality.
Key Features
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Model: OSN500 21E12 S4.1
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Device Type: DC Power Supply Module
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Rated Input Voltage: -48V DC (Range: -38.4V to -72V)
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Output Function: Internal power distribution to OSN500 services
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Power Rating: Optimized for low to medium-power telecom applications
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Built-in Protection: Overvoltage, overcurrent, and over-temperature safeguards
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Hot-Swappable: Easily replaceable without shutting down the system
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Application Compatibility: Specifically designed for OSN500 OptiX platform
Technical Specifications
| Specification | Details |
|---|---|
| Model Number | 21E12 S4.1 |
| Compatible System | Huawei OptiX OSN500 |
| Input Voltage Range | -38.4V to -72V DC |
| Rated Voltage | -48V DC |
| Input Connector Type | Standard telecom DC terminal block |
| Power Output | Distributes regulated power to internal OSN500 boards |
| Power Efficiency | High-efficiency circuitry to minimize power loss |
| Protection Features | OVP, OCP, OTP, short-circuit protection |
| Hot-Swappable | Yes |
| Installation Location | Power supply slot in OSN500 subrack |
| Operating Temperature | -5°C to +55°C |
| Humidity Range | 5% – 95% RH (non-condensing) |
| Manufacturer Warranty | 1–3 Years Huawei OEM Warranty |
OSN500 21E12 S4.1 Huawei Applications
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Access Network Nodes – Stable power for terminal or aggregation SDH sites
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Telecom Edge Equipment – Provides reliable DC power for remote or small-scale POPs
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Industrial & Utility Networks – Rugged design supports communications in harsh environments
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Transportation Infrastructure – Powers transmission units in railways, metros, and highways
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Government & Defense Sites – Secure and redundant DC supply for sensitive communication systems
Customization & OEM Services
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Connector Configurations – Custom DC wiring kits for seamless rack integration
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Monitoring Integration – Compatible with Huawei NMS for power alarms and performance logging
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Labeling Options – OEM/private labeling available for operators and system integrators
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Pre-Deployment Testing – Factory burn-in testing and QA for critical projects
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Bundled System Supply – Available with matching OSN500 boards, chassis, and cables
OSN500 21E12 S4.1 Huawei Wholesale & Global Supply Chain
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Original Huawei Product – Verified OEM module with full traceability
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Competitive Wholesale Pricing – Ideal for telecom carriers and project integrators
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International Shipping – Packaged for safe delivery worldwide
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Inventory Readiness – Available from global distribution hubs
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Technical Documentation – Datasheets, install manuals, and compliance certificates provided
Why Choose OSN500 21E12 S4.1 Huawei for Your Network
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Carrier-Grade Reliability – Built for long-term 24/7 telecom operations
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Compact & Efficient – Perfect fit for space-sensitive OSN500 deployments
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Fully Huawei Compatible – Seamless integration with OptiX OSN platforms
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Comprehensive Protection – Prevents power faults and system downtime
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Cost-Effective & Scalable – Designed for both small and expanding networks
Get in Touch for Pricing, Bulk Orders & Technical Support
Power your optical network with confidence using the Huawei OSN500 21E12 S4.1 DC Power Supply — a compact and high-efficiency solution trusted by carriers worldwide.
