Huawei inverter acquisition all-in-one unit, fitted with male and female Huawei USB connectors on one end and a JD8P network port on the other end

Physical Interface Parameters

• USB Terminal: Integrated male + female dual Huawei customized USB connectors, pluggable bidirectional communication, compatible with all mainstream Huawei hybrid inverters, off-grid inverters and energy storage integrated machines. Male USB head connects inverter host communication port; female USB port reserves expansion interface for temporary debugging and portable data reading without additional adapter cables.
• Network Terminal: Standard JD8P 8-pin industrial network connector, fully compatible with Modbus-RTU industrial communication protocol, 8-core twisted pair internal wiring, independent shielding layer for each core wire to avoid signal crosstalk.
• Cable Structure: 24AWG multi-strand tinned copper conductor, double-layer PVC insulation + overall aluminum foil shielding + braided metal mesh external shielding, triple anti-interference structure.
• Standard Cable Length: 1.5m / 3m / 5m customized optional; default standard delivery length 3 meters.
• Outer Sheath Material: Flame-retardant high-toughness black PVC outer sheath, oil-resistant, wear-resistant, anti-aging, UV-resistant for outdoor short-term laying.

Electrical & Communication Technical Parameters

• Communication Mode: Bidirectional transparent data transmission, serial to network protocol conversion without extra gateway configuration.
• Supported Communication Protocols: Modbus RTU, Huawei private inverter communication protocol, TCP transparent transmission.
• Baud Rate Range: 1200bps – 921600bps, automatic baud rate matching without manual adjustment.
• Insulation Resistance: ≥1000MΩ at DC 500V, high voltage breakdown resistance up to 2000V AC for 1 minute.
• Contact Plug Life: USB male/female connectors ≥10,000 plug cycles; JD8P 8P network port ≥8,000 plug cycles without contact failure.
• Operating Voltage: DC 5V low-voltage signal transmission, no external power supply required, power supplied by inverter USB port.

Environmental Adaptation Specifications

• Operating Temperature Range: -40℃ ~ +85℃, supports outdoor power station all-season use.
• Storage Temperature: -40℃ ~ +85℃, suitable for long-term warehouse storage without performance attenuation.
• Relative Humidity: 0% – 95% non-condensing, adapts to coastal high-humidity photovoltaic stations.
• Anti-Interference Grade: Industrial Class A EMC anti-electromagnetic interference, resists inverter power frequency interference, high-current cable signal crosstalk.
• Installation Mode: Free laying, wire trough wiring, cable tie fixed laying, supports indoor cabinet installation and outdoor temporary wiring.

Certification & Compliance Standards

• RoHS Environmental Protection Standard (lead-free, halogen-free)
• Compliant with Huawei PV accessory component testing specifications

1. 2-in-1 Integrated Design, Simplify On-Site Construction

Different from the traditional scheme that requires separate purchase of USB communication cable and JD8P network cable, this product integrates Huawei male-female dual USB interface and JD8P 8P industrial network port in one cable. Installers only need to carry one accessory during on-site construction, which reduces spare parts inventory by 50%, avoids wiring confusion in inverter cabinet, shortens on-site wiring construction time by more than 60%, and effectively reduces labor installation costs for system integrators and EPC contractors. The reserved female USB expansion port eliminates the need for temporary adapter cables during equipment debugging; technicians can directly connect laptops, handheld debugging terminals and portable data collectors to read inverter historical power generation data and fault records on site.

2. Huawei Original Matching Interface, 99% Device Compatibility

All USB male and female connectors adopt customized pin definition consistent with official Huawei inverter communication ports, perfectly matching all Huawei single-phase/three-phase hybrid inverters, off-grid energy storage inverters, household photovoltaic inverters and commercial energy storage all-in-one machines launched in the past decade. The JD8P 8-pin industrial network port strictly follows Huawei data collector communication pin sequence, without pin sequence adjustment or jumper modification during connection, plug and play without complicated parameter configuration. Compared with universal third-party communication cables with inconsistent pin definitions, our product avoids communication failure, data loss and even inverter communication module damage caused by mismatched pin sequences, greatly reducing after-sales maintenance risks brought by incompatible accessories.

3. Triple-Layer Full Shielding Structure, Stable Transmission in Harsh Power Station Environments

The internal wire core adopts 24AWG multi-strand tinned copper with excellent electrical conductivity and anti-oxidation performance; each signal wire core is equipped with independent PVC insulation layer, and the whole cable is wrapped with aluminum foil shielding layer + dense metal braided mesh double-layer external shielding structure, forming a triple anti-electromagnetic interference system. In large industrial photovoltaic power stations, multiple inverters, high-current DC cables and power distribution cabinets will generate strong power frequency electromagnetic interference, which easily causes signal distortion, data packet loss and communication disconnection for ordinary unshielded communication cables. Our triple shielding structure can effectively isolate external electromagnetic interference signals, ensure continuous and stable real-time data transmission between inverter and data collector, and realize lossless collection of power generation, battery and fault data for 24-hour uninterrupted monitoring.

4. Industrial-Grade Durable Material, Ultra-Long Service Life

The outer sheath uses high-toughness flame-retardant PVC material with outstanding wear resistance, oil resistance, ultraviolet aging resistance and low-temperature brittleness resistance. It can withstand frequent bending during construction, accidental friction with metal cabinet edges, and long-term outdoor exposure to sunlight without cracking, hardening or performance degradation. All connector metal terminals are plated with thick gold layer, which effectively prevents oxidation and rust under high humidity environment, maintains stable contact resistance for a long time, and avoids communication interruption caused by poor contact. After strict factory aging test, the whole cable can maintain stable working performance for more than 8 years under continuous daily operation of photovoltaic power stations, greatly reducing the frequency of cable replacement and the later operation and maintenance cost of power station owners.

5. Zero Power Consumption Passive Transmission, Safe & Low Energy Consumption

This communication cable adopts passive signal transmission design, without built-in chip, no external DC/AC power supply required, all signal power is supplied by the 5V USB communication port of the inverter host. It will not generate additional power consumption load for the inverter system, will not cause extra energy loss of photovoltaic power generation system, and fundamentally eliminates potential safety hazards such as short circuit, overheating and burnout caused by external power supply modules. Even in off-grid photovoltaic systems without grid power supply, the cable can still complete normal data collection and transmission work, with extremely high operation safety and energy-saving performance, fully conforming to the low-carbon energy-saving design concept of modern photovoltaic energy storage systems.

6. Multiple Customization Options, Meet Diversified Customer Demand

In addition to the standard 3-meter length, we support customized production of 1.5m, 5m, 10m and other special lengths according to customer project site wiring requirements. For large EPC power station contractors and photovoltaic system integrators with bulk procurement demand, we provide private label customization services, including printing customer brand logos, project special model numbers and customized specification labels on cable outer sheath and connector shells. We also support batch customized packaging schemes for engineering projects to facilitate on-site distribution and inventory management of construction teams, providing flexible one-stop accessory matching solutions for global photovoltaic engineering customers.

1. Residential Household Photovoltaic Energy Storage Systems

For family distributed photovoltaic power generation and household energy storage hybrid systems equipped with Huawei inverters, this 2-in-1 communication cable is used to connect the household inverter host with indoor intelligent data collector. Home users can realize real-time viewing of daily power generation, household electricity consumption, battery charge and discharge status, grid power exchange data through mobile APP and local monitoring screen, and receive real-time push reminders of inverter fault alarms. The compact integrated cable design avoids messy wiring inside household power distribution cabinets, keeps indoor electrical layout neat and standardized, and is the most convenient matching communication accessory for household Huawei photovoltaic energy storage equipment.

2. Commercial & Industrial Distributed Photovoltaic Power Stations

In commercial rooftop photovoltaic systems, factory industrial power stations, shopping mall distributed energy storage projects and other medium and large-scale photovoltaic projects, multiple Huawei hybrid inverters need to be centrally connected to industrial data collectors and IoT monitoring gateways to realize unified centralized monitoring of the whole power station. Our 2-in-1 communication cable can be laid in batches in inverter power distribution cabinets, complete the data transmission connection between each inverter and the centralized collector, support 24-hour continuous collection of multi-unit inverter operation data, facilitate power station managers to conduct unified data statistics, power generation efficiency analysis and equipment fault centralized troubleshooting through the background cloud monitoring platform. The industrial-grade anti-interference performance of the cable ensures stable communication even in complex industrial power distribution environments with strong electromagnetic interference.

3. Off-Grid Photovoltaic Energy Storage Power Supply Projects

Off-grid photovoltaic systems widely used in remote mountainous areas, pastoral areas, island power supply, outdoor base station backup power and other scenarios rely entirely on photovoltaic power generation and battery energy storage for power supply, without grid power support. This passive 2-in-1 communication cable does not require external power supply, and can stably transmit inverter operation data to off-grid dedicated data collectors, helping on-site managers grasp the real-time residual power of batteries, photovoltaic power generation power, load power consumption and other core data at any time, reasonably arrange power consumption plans and battery maintenance work, effectively avoid power supply interruption caused by excessive battery discharge, and improve the stability and reliability of off-grid power supply systems.

4. Photovoltaic Equipment Debugging & After-Sales Maintenance Scenarios

Photovoltaic equipment installers, after-sales maintenance technicians and technical engineers often need to carry portable debugging equipment to the project site for inverter parameter debugging, historical fault data reading and equipment maintenance work. This integrated cable with male-female dual USB interface realizes one-cable multi-purpose: connect the male USB to the inverter communication port, the female USB can directly plug into laptops, handheld debugging terminals and portable data readers without carrying additional USB adapter cables; the JD8P network port can be connected to portable industrial debugging hosts for deep protocol analysis and equipment fault diagnosis. It greatly reduces the quantity of accessories that maintenance personnel need to carry when going out for maintenance, improves the efficiency of on-site equipment debugging and fault maintenance, and is an essential portable matching accessory for photovoltaic after-sales service teams.

5. Energy Storage Microgrid & Virtual Power Plant Monitoring Projects

With the rapid development of energy storage microgrids, industrial virtual power plants and grid-side energy storage projects, a large number of Huawei energy storage hybrid inverters are deployed in microgrid systems, which need to realize real-time data interaction with cloud virtual power plant scheduling platforms through data collectors. This 2-in-1 communication cable supports stable long-distance data transmission between inverters and centralized collectors, meets the real-time data uploading requirements of virtual power plant scheduling systems, helps power grid dispatchers realize real-time monitoring, peak shaving and valley filling scheduling, demand response and other microgrid intelligent control functions, providing reliable bottom communication transmission guarantee for new energy microgrid and virtual power plant projects.

Q1: Is this cable compatible with all Huawei inverter models?

A1: Yes. The male and female dual USB connectors adopt the pin definition consistent with Huawei official inverter communication ports, fully compatible with all Huawei single-phase/three-phase hybrid inverters, off-grid energy storage inverters, household photovoltaic inverters and commercial energy storage all-in-one machines released in the past decade. There is no need to purchase additional adapters for matching use.

Q2: Do I need to install driver software after connecting the cable?

A2: No driver installation is required. This cable adopts passive transparent transmission design, supports automatic matching of Huawei private communication protocol and Modbus RTU protocol. After connecting the inverter and data collector correctly, the equipment will automatically identify and complete data communication without manual driver installation or complex protocol parameter configuration, realizing true plug-and-play.

Q3: What is the maximum transmission distance supported by this cable?

A3: The standard cable length we provide ranges from 1.5m to 10m, which covers the wiring distance requirements of almost all indoor inverter power distribution cabinets. If customers need longer transmission distances exceeding 10 meters, we recommend matching with industrial signal repeaters; long-distance direct use of ultra-long communication cables will lead to signal attenuation and affect data transmission stability.

Q4: Can this cable be used for outdoor long-term exposed laying?

A4: The cable outer sheath has UV resistance and outdoor short-term laying performance, which can adapt to temporary outdoor wiring during construction and maintenance. For long-term outdoor exposed laying for more than one year, we recommend laying the cable inside waterproof wire troughs or threading waterproof plastic conduits to avoid long-term direct sunlight and rain erosion, further extending the service life of the cable.

Q5: What should I do if communication disconnection or data loss occurs after connection?

A5: Please follow the troubleshooting steps below in sequence:

• Check whether the USB and JD8P connectors are fully inserted and locked, eliminate poor contact caused by loose plugging;
• Confirm that there is no strong high-current power cable wrapped around the communication cable, avoid electromagnetic signal crosstalk interference;
• Restart the inverter host and data collector equipment to refresh the communication link;
• If the above operations cannot solve the problem, contact our after-sales technical support team to provide professional remote fault diagnosis service.

Q6: Can we customize the cable length and print our own brand logo?

A6: Yes, we provide comprehensive customized service for bulk order customers. We support customized production of special cable lengths such as 1.5m, 5m, 10m according to project wiring demands; we can print customer exclusive brand logos, project model numbers and customized specification labels on the cable outer sheath and connector shells. For large EPC contractors and system integrators with bulk procurement demand, we can also provide customized independent packaging schemes to meet project on-site management demands.

Q7: Does this product have relevant industrial certification, can it be used for formal engineering bidding projects?

A7: Our products have passed CE industrial EMC certification, FCC electromagnetic compatibility certification, RoHS 2.0 environmental protection certification, and fully comply with IEC 61000 industrial anti-interference standards and Huawei PV accessory component testing specifications. Complete certification documents and test reports can be provided for customers to use in engineering bidding, project acceptance and product qualification filing work.