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Features

◆ Universal voltage: 85~264VAC/100~375VDC

◆ Stabilized output, low ripple, noise

◆ Output short circuit, overcurrent and overvoltage protection

◆ Full plastic shell, compliant with UL94V-0

◆ Passed UL60950 and EN60950 certification

◆ 3-year quality guarantee

◆ PCB rail type and other installation methods

　　Special requirements and core values ​​of communication power supply

AC-DC communication power supply is a high-reliability power supply system specially designed for communication equipment. It undertakes the important task of providing stable and clean power for key communication equipment such as base stations, switches, and routers. Compared with ordinary industrial power supplies, communication power suppliesreliability、efficiency、Power densityandMaintainabilityThere are higher requirements in terms of communication network, which must ensure uninterrupted operation 24/7.

　　Typical application scenarios of communication power supply：

　　wireless communication: 4G/5G base stations, microwave transmission equipment

　　data communication: Core routers, switches, servers

　　Transmission equipment: Optical transmission equipment, SDH/MSTP equipment

　　Access device: OLT, ONU, DSLAM equipment

　　Supporting equipment: Communication room air conditioning and monitoring system

　　Selection Guide for Key Technical Parameters of Communication Power Supply

　　Technical parametersCommunication level requirementsKey points for selection

　　Input voltage range85-300VAC (ultra-wide range) adapts to power grid fluctuations to ensure uninterrupted power supply

　　Output voltage-48VDC (communication standard) complies with communication equipment power supply specifications

　　Conversion efficiency>96% (titanium grade) reduces operating costs and heat generation

　　Power density>30W/in³ saves computer room space and improves deployment efficiency

　　Current sharing performance±5% deviation range supports N+1 redundant backup

　　MTBF indicator>500,000 hours ensures high system reliability

　　Hot plug supportSupport online replacement to improve system maintainability

　　Monitoring interfaceSNMP/dry contact realizes remote monitoring and management

　　In-depth analysis of common problems in communication power supply

　　Q1: How to ensure high reliability of communication power supply?

Key points of reliability design:

　　redundant architecture: N+1 or N+M redundant configuration, single module failure does not affect the system

　　Hot-swappable design:Support online maintenance and reduce system downtime

　　Intelligent management: Real-time monitoring of power supply status and early warning of potential faults

　　Rigorous testing: Passed communication standard tests such as GR-1089 and ETSI

　　Q2: Why is the efficiency of communication power supply so important?

Efficiency optimization value:

　　operating costs: 1% efficiency improvement can save considerable electricity bills

　　Cooling requirements: High efficiency to reduce heat generation and reduce air conditioning energy consumption

　　System density: Reduce heat emissions and increase cabinet power density

　　reliability: Low temperature rise extends the service life of components

　　Q3: What are the special requirements for current sharing technology of communication power supply?

Key points of current balancing technology:

　　Current sharing accuracy: Load balancing when multiple modules are connected in parallel

　　dynamic response: Quick balancing when load changes suddenly

　　fault isolation: Single module failure does not affect system operation

　　Hot swap shock：Current impact control when inserting and removing modules

　　Q4: How does the communication power supply adapt to the complex power grid environment?

Grid adaptability design:

　　wide input voltage: Adapt to power grid fluctuations and generator power supply

　　Lightning protection design: Built-in lightning protection circuit, passed 10/700μs test

　　Harmonic suppression: High power factor, low current harmonics

　　battery management: Intelligent charge and discharge management to extend battery life

　　Systematic Troubleshooting Guide for Telecom Power Supply

　　Phase One: Rapid Diagnosis on Site

　　Alarm information: Check the power system alarm codes and indicators

　　Input check: Measure AC input voltage and frequency

　　Output detection: Check -48V output voltage and current

　　module status: Confirm the working status of each power module

　　Phase Two: Performance Testing

　　Current sharing test: Detect the current distribution balance of each module

　　Efficiency test: Measure actual operating efficiency

　　protection test: Overvoltage, overcurrent, short circuit protection verification

　　switch test: AC/DC switching function test

　　The third stage: in-depth analysis

　　thermal analysis: Infrared thermal imaging camera detects temperature distribution

　　Waveform analysis: Input and output waveform quality analysis

　　loop analysis: Control loop stability test

　　Component analysis：Stress analysis of key components

　　Phase 4: System Verification

　　Environmental testing: High and low temperature, hot and humid environment testing

　　Reliability test: MTBF verification test

　　Compatibility testing: Compatibility test with different devices

　　Operation and maintenance verification: Maintenance operation convenience verification

　　Best Practices for Telecom Power Supply Applications

　　System design points：

　　capacity planning:Plan based on device power consumption and growth needs

　　Redundant configuration: Important nodes adopt N+1 redundancy

　　Power distribution design: DC distribution system and grounding design

　　Surveillance design: Complete power monitoring and management system

　　Install deployment specifications：

　　Cabinet layout: Reasonable cooling air duct design

　　Cable management: DC cable selection and wiring specifications

　　Grounding system: Construction of low-impedance grounding network

　　Identity management: Clear power system identification

　　Operation and maintenance management strategy：

　　preventive maintenance: Regular inspection and maintenance plan

　　Spare parts management: Critical spare parts inventory management

　　Performance monitoring: Real-time monitoring of power system performance

　　Energy efficiency management: Power system energy efficiency analysis and optimization

　　Development trends of communication power supply technology

　　Technological innovation direction：

　　Digitization: Full digital control, intelligent management

　　Efficiency: New topology, wide bandgap device application

　　Intelligent：AI operation and maintenance, fault prediction

　　Greening: Higher efficiency, environmentally friendly materials

　　System architecture evolution：

　　Distributed architecture：Modularization, standardization

　　High voltage direct current: 240V/336V high voltage DC power supply

　　Energy integration: Solar energy and energy storage system integration

　　Networking：Power management under SDN/NFV architecture

　　Conclusion

Communication power supply is the basic power guarantee of communication network, and its reliability is directly related to the stable operation of communication network. Selecting power products that comply with communication standards and have good operation and maintenance records, and establishing a complete power system design, deployment and maintenance system are the keys to ensuring reliable operation of communication networks. With the development of new technologies such as 5G and the Internet of Things, higher requirements have been put forward for communication power supplies. Power manufacturers and communication operators need to work closely to jointly promote the innovative development of communication power supply technology.