The Huawei SMU02C is a carrier-grade intelligent site monitoring unit engineered for nominal -48V DC telecom power systems, functioning as the central command architecture that supervises rectifiers, distribution modules, energy storage systems, and peripheral site environmentals.
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Architecturally, the SMU02C is powered by a high-performance 32-bit embedded industrial microprocessor that integrates dual isolated RS485 transceivers, a high-speed CAN bus network interface, an auto-negotiating 10/100M Fast Ethernet MAC/PHY, and precision multi-channel ADC telemetry circuits. Its northbound interface communicates natively via SNMP v3, HTTPS, and Modbus-TCP to Huawei NetEco or third-party OSS platforms, while its southbound interface commands rectifiers and intelligent lithium battery units (ESM) in compliance with IEC 60950-1, EN 55032 Class B, and Telcordia GR-1089.
The SMU02C eliminates catastrophic field failures such as thermal runaway in battery strings, unmanaged low-load rectifier energy waste, silent communication blackouts, and uncoordinated load disconnects during deep power grid anomalies. Its deterministic SOC/SOH estimation, automated temperature compensation, and programmable battery low voltage disconnect (BLVD) and load low voltage disconnect (LLVD) safeguards preserve battery longevity and ensure uninterrupted telecom payloads.
Engineered for 5G/4G macro cell site power systems, central office DC distribution plants (e.g., TP482000B, TP483000D), indoor/outdoor integrated micro-power cabinets (ETP48200/ETP48400), and hybrid solar-diesel-grid telecommunication infrastructure.
| Key specifications | Value |
|---|---|
| System Nominal Voltage | 48V DC |
| Communication Interfaces | FE (Fast Ethernet), RS485, CAN, USB |
| Supported Protocols | SNMP v3, HTTPS, Modbus-TCP/RTU, NetEco |
| Display Interface | High-Resolution LCD Screen with Multi-Language Support |
| Operating Temperature Range | -40°C ~ +75°C |
| Hot-Swappable Support | Yes (Live Hot-Pluggable / Plug-and-Play without Power Interruption) |
| Non-Volatile Log Capacity | 10,000+ Cyclic Event Records |
| Unit Power Consumption | < 8W (Ultra-Low Standby Design) |
| Industrial EMC Level | EN 55032 Class A / IEC 61000-4 Level 4 |
| Relative Humidity Tolerance | 5% to 95% RH (Non-Condensing) |
Huawei
Operating with ultra-low power consumption and natural convection passive cooling, the PMU11A features industrial-grade EMC immunity and redundant isolated communication buses. Designed for wide temperature operation from -20°C to +65°C, it delivers uninterrupted mission-critical telemetry with live hot-pluggable serviceability.
Featuring a fanless, natural convection cooling architecture, the SCC800-B1 integrates an industrial-grade ARM processor with a real-time OS. It delivers comprehensive protocol interworking across RS485, CAN, Ethernet, and digital inputs, seamlessly interfacing with Huawei NetEco and third-party SNMP/Modbus management platforms with carrier-grade 99.999% availability.
Engineered with a robust microprocessor control topology, live hot-pluggability, and an industrial operating range of -20°C to +70°C, the SMU01B coordinates rectifier autonomous load sharing, controls intelligent battery charge/discharge cycles, and interfaces with remote network management systems via CAN, RS232, and RS485.
Featuring ultra-high energy efficiency, intelligent digital control, and comprehensive electrical protection, Huawei SMU01C delivers uninterrupted 24/7 power and communication stability.
