Lumetra Lumetra

RJ45 Connector With USB Supplier & Exporter serving the Korea market

Empowering Industrial Automation, Telecommunications, and Smart Edge Infrastructure with Advanced High-Speed Hybrid Connectivity.

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Featured RJ45 + USB Combo Connectors

High-signal integrity, integrated magnetic shielding, and space-saving combination configurations optimized for domestic South Korean industrial automation and telecommunications devices.

CAT6 Network Jack Stack Dual USB 3.0 RJ45 Combo Connector

CAT6 Network Jack Stack Dual USB 3.0 RJ45 Combo Connector RJSE1Z0500-R RJSE1Z0500AR RJSE4AC0251A-R RJPE1UC0010-R (Korea Industry Standard)

Technical Specs
Integrated 1 Port RJ45 USB Combo

Integrated 1 Port RJ45 USB Combo C892-1XX1-62-F 0862-1L1T-43 C892-1L1T-62 C893-1RX1-62 (Seoul Smart City Grade)

Technical Specs
CAT6 Network Jack Stack Dual USB 3.0 RJ45 Combo Connector

CAT6 Network Jack Stack Dual USB 3.0 RJ45 Combo Connector TS-70030-1 RJU51-93EK17-G2BL JFM24U13-21U6-4x JFM24U10-21U6-4x (Gasan Digital Complex Approved)

Technical Specs
RU1-161A9WGA 1000 Base-T With Dual USB RJ45 Connector Modular Jack

RU1-161A9WGA 1000 Base-T With Dual USB RJ45 Connector Modular Jack (Pangyo Techno Valley Series)

Technical Specs

The Landscape of High-Speed Hybrid Connectivity in Korea's Industrial Sector

South Korea is a global hub for advanced electronics, automated production, smart factory configurations, and telecommunication networks. As the country speeds up its transformation under the Korea K-Smart Factory Initiative, the demand for compact, highly shielded, and multi-functional PCB components has expanded exponentially. Specifically, RJ45 Connectors with USB capabilities (integrated combo interfaces) have become critical elements in streamlining system designs.

By blending high-speed Ethernet capabilities with the universal serial bus (USB) protocol, these hybrid components eliminate layout redundancy, minimize EMI vulnerability, and simplify integration inside telecommunication boxes, rugged PLC controllers, edge gateways, and medical instrumentation consoles. This document delves into the market requirements, structural challenges, and application ecosystems for RJ45 with USB combos deployed across the Korean peninsula.

8,500㎡
Advanced Production Facility
86
R&D Engineers (Optical/Hardware)
$18M
Annual Global Export Revenue
1,200+
Supply Chain Collaborations

Macro Global Trends & Domestic South Korea Integration

Globally, the integration of physical connection systems is moving towards consolidation. Equipment builders no longer have the luxury of spacious panel interfaces. Space is at a premium, whether inside high-density server racks or rugged field modules. To fulfill these challenges, design engineers are replacing standalone connectors with combo modules like the integrated RJ45 / USB series.

In South Korea, this design shift is accelerated by key national programs:

  • Smart Factory Upgrades: Upgrading thousands of manufacturing lines in industrial hubs like Gyeonggi, Incheon, and Busan to fully automated, IoT-enabled ecosystems.
  • 5G & 6G Infrastructure rollouts: Deploying dense outdoor small cell networks and optical edge aggregators demanding robust shielding and multiple interface pathways within compact enclosures.
  • Advanced Automotive Assembly: Implementing highly reliable testing jigs and onboard vehicle diagnostics that interface via Ethernet and USB interfaces concurrently.

Real-World Case: Smart Logistical Terminals in Incheon Port

Lumetra's hybrid RJ45 + USB units were incorporated into high-performance terminal controllers managing automated guided vehicles (AGVs) at Incheon. The combined connector design resolved critical signal interference from dynamic motors while reducing board space by 35% compared to discrete modular components.

Key Engineering Challenges & Hybrid Connector Design Considerations

Designing a PCB board that handles both high-speed differential signal pairs for USB 3.0/Type-C and high-frequency network signals for CAT6 or Gigabit Ethernet requires solving unique physical hurdles. These are critical parameters addressed by our engineering labs:

EMI & Cross-Talk Mitigation

High-frequency coupling between adjacent USB 3.0 lines and the Ethernet magnetic module is resolved with internal metal shielding panels and dedicated ground pins.

Rugged Grounding Paths

Multiple ground tabs integrated into the metal shield ensure low-impedance pathways to the chassis ground, crucial for harsh industrial environments in Korea.

Thermal Performance

Engineered housing materials withstand high reflow temperatures and ensure heat dissipation from active PoE currents or high-draw USB charging cycles.

Lumetra's Technical Expertise & Localization Support for South Korea

Lumetra Optoelectronics Technologies Co., Ltd. brings specialized experience to high-speed communication infrastructure. Founded in 2016, our engineering teams are trained to bridge the gap between complex physical connectivity and electrical signal stability. With an expansive production facility of 8,500㎡, we employ 48 dedicated quality control inspectors utilizing automated optical performance testing and environmental stress screening.

For our Korean partners, we provide tailored integration support, offering protocol compatibility consulting, customization of physical form factors, and pin-to-pin drop-in replacements for standard components. This ensures compliance with local KS standards and guarantees that your design meets the strict criteria required for export to global markets.

Technology Roadmap & Future-Proof Standards

Our long-term engineering development roadmap aligns with emerging interconnect standards to offer Korean builders future-proof security:

Next Generation
Ultra-Speed USB Type-C & RJ45 Hybrid Modules
Transitioning standard USB 3.0 interfaces to high-speed USB Type-C connectors, supporting up to 100W of power delivery combined with 10Gbps Ethernet capabilities.
Ongoing Innovation
Single Pair Ethernet (SPE) Adaptation
Developing ultra-compact combo sockets that merge SPE channels with standard USB power modules for high-density IoT automation nodes.
Quality Benchmark
Enhanced Shielded Common Mode Filtration
Integrating advanced magnetic chokes directly into the connector body to prevent common-mode noise propagation from manufacturing environments.

Lumetra Production Facilities & Quality Control

Inside our 8,500㎡ manufacturing site, supporting high-speed transceiver packaging and magnetic module assembly with strict quality protocols.

Complete Integrated RJ45 with USB Portfolio

Select from our comprehensive list of configurations designed for telecommunication equipment, smart terminals, and industrial PCs.

Single Port RJ45 Magnetic Module With Dual USB

Single Port RJ45 Magnetic Module With Dual USB 0892-1GX1-62 (Seoul Network Hub Edition)

Technical Specs
Tyco 1-1840012-2 RJ45 USB Combo Connector

Tyco 1-1840012-2 RJ45 USB Combo Connector Compatible Module (Busan Port AGV Control Compatible)

Technical Specs
Gigabit RJ45 With Dual USB 3.0 Connector

Gigabit RJ45 With Dual USB 3.0 Connector With LEDs Blue Color (Pangyo Smart-Node Module)

Technical Specs
One Port With USB RJ 45 Mag-jack

One Port With USB RJ 45 Mag-jack HR872635H HR981121C (Ulsan Automotive Test Jig Standard)

Technical Specs
Shielded Dual USB RJ-45 Female Connector

45F-10201DYD2NL 45F-10201DYDXNL Shielded Dual USB RJ-45 Female Connector With LEDs (Korea Metro Signaling Special Edition)

Technical Specs
USB 3.0 to RJ45 Connectors

USB 3.0 to RJ45 Connectors HR981121C (Daegu Smart Factory Node Pack)

Technical Specs
RJ45 USB modular jack connector

10/100/1000Base-T RJ45 +USB modular jack rj45 connector RU3-261AKB11 (Korea Telecom Access System Grade)

Technical Specs
Single Port RJ45 Modular Jack Connector With USB

xmm-9714-8813-s3lj-m-im Single Port RJ45 Modular Jack Connector With USB (Medical Instrumentation Spec)

Technical Specs
Dual USB RJ45 Jack Connector

Dual USB RJ 45 Jack RJ-45 Connector With LED JWO-0009NL JFM24U1B-21U6-4x JFM24U1F-21U6-4x JFM24U14-21U6-4x (Incheon Logistics Automation Grade)

Technical Specs
Tab Down Rj45 Magnetic Power Socket

Tab Down Rj45 Magnetic Power Socket 8 Pin PCB Modular Jack Cat 6 Rj45 Female Connector With USB (Gyeonggi Industrial Edge Gateway Design)

Technical Specs
RJ45 modular jack usb stacked transformers

10/100/1000 Base-t Modular Jack RJ45 + USB Stacked Transformers 1x3 RJ45 Connector RUC-161A9RJF (Seoul Metro Base Station Node)

Technical Specs
RJ45 Magjack Connector With Single USB

MIC24U1C-6131W-LF3 RU3-261A1D11 RC-122C09-015 RJ45 Magjack Connector With Single USB (High-Shielded Smart Grid Application)

Technical Specs

Technical FAQ & Design Advisory

Q1: How do you prevent crosstalk between the high-speed USB 3.0 TX/RX differential lines and the RJ45 magnetic transformer coils inside the same connector housing?
A1: Our connector designs employ a dual-stage isolation scheme. First, a physical internal nickel-plated copper alloy Faraday shield separates the upper USB housing compartment from the lower RJ45 magnetic block. Second, on the PCB interface layer, we split the grounding planes and arrange ground pins as a boundary buffer. This results in NEXT (Near-End Crosstalk) suppression exceeding -40dB at frequencies up to 250 MHz (for CAT6 lines).
Q2: Are these combo connectors compliant with local South Korean EMC/EMI regulations (such as KC Certification)?
A2: Yes. The structural design of our RJ45 + USB connectors is optimized to help the end device achieve KC (Korea Certification) standard compliance. The robust multi-point grounding tabs ensure continuous chassis contact, drastically reducing radiation emissions during high-throughput testing under KN 32 / KN 35 standards (which correspond to CISPR 32/35).
Q3: What gold plating thickness do you recommend for Korean industrial environments (such as marine automation in Ulsan)?
A3: For harsh manufacturing, marine, or chemical processing plants where atmospheric salt spray or moisture is elevated, we recommend our 50-microinch (50u") gold plating specification over 50-microinch nickel underplate. This configuration guarantees at least 750 mating cycles without physical degradation or elevation of contact resistance. For standard office or indoor telecommunication environments, 15u" or 30u" plating option is adequate.
Q4: Do these products support Power over Ethernet (PoE/PoE+/PoE++) configurations alongside active USB operations?
A4: Yes. Select models in our stacked product line are equipped with specialized high-temperature winding cores that can handle PoE currents up to 600mA (PoE+ IEEE 802.3at) and 1A (PoE++ IEEE 802.3bt) per pair. Our housing utilizes UL 94 V-0 rated thermoplastic materials to safely dissipate local heat generation during concurrent USB 3.0 current draws (up to 900mA).
Q5: What customized options are available from your engineering department?
A5: Backed by our 86 R&D engineers, we support advanced customization including custom magnetic wiring schemas (for specific PHY chip compatibility), LED color variations (green, yellow, blue, red, or bi-color), variable ground tab positions, low-profile packaging modifications, and high-frequency parameter optimization for specific optical transceiver modules.
Q6: How does Lumetra ensure stable supply chain shipping logistics directly to Korea?
A6: With over 1,200 supply chain partners and 7 years of international exporting background, we have optimized regional supply chains. We offer fast shipping lines from our facilities directly to Korean manufacturing bases in Incheon, Busan, and Gyeonggi. We support standard commercial trade terms, providing documentation for Korean Customs import clearing.
Q7: What is the nominal return loss of the CAT6 RJ45 portion of the connector assembly?
A7: The return loss metrics for our CAT6 components meet or exceed TIA-568-C.2 standards. Specifically, it remains below -20dB from 1 MHz to 100 MHz, and below -14dB up to 250 MHz. Detailed network analyzer test charts can be supplied upon custom RF inquiry.
Q8: How does housing polymer choice affect wave soldering thermal limits?
A8: We use high-performance polymers (LCP or Nylon 9T) as standard insulation structures. These materials have a heat deflection temperature (HDT) of 270°C, making them perfectly suited for typical lead-free wave soldering profiles (260°C peak temperature for 5-10 seconds) common in domestic Korean SMT assembly lines.
Q9: What quality testing operations do you perform prior to bulk packaging?
A9: Our QA line employs a 100% automated automated optical inspection (AOI) for pins coplanarity, followed by electrical parametric testing checking turns ratio, dielectric withstand voltage (Hi-Pot tests up to 1500V AC), insertion/return loss, and physical mating verification. This process is managed by our 48-inspector quality control team.
Q10: Are step-by-step 3D models available for our PCB layout software (Altium, OrCAD)?
A10: Yes, STEP and IGES files are provided for all components in our directory. Design engineers can contact our support desk to receive files for integration simulation, ensuring mechanical clearances match chassis front panels before prototype tooling.

Request Tech Specifications & Local Quote for Korea Market

Get in touch directly with our engineering sales group. We offer design support, compliance documentation, and rapid prototyping services.

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