Xelivor
Xelivor
In modern telecommunications, data centers, and industrial automation networks, preserving PCB real estate while ensuring signal integrity is paramount. Multi-port RJ45 female connectors serve as the foundation of high-density ethernet deployments.
As networks transition from traditional Fast Ethernet to multi-gigabit speeds (1G, 2.5G, 5G, and 10G Base-T), physical layer component selection dictates overall system reliability. Integrated Magnetic RJ45 connectors (often referred to as MagJacks) incorporate essential electromagnetic filtering components inside the connector housing. This reduces component footprint, eliminates electromagnetic interference (EMI), and mitigates crosstalk between adjacent ports in multi-port structures (such as 1x2, 1x4, 1x6, and 1x8 configurations).
Explore our premium range of filtered, shielded, and LED-equipped multi-port Ethernet modular jacks.
A comprehensive analysis of design challenges and strategic solutions in high-density layout configurations.
Multi-port RJ45 connectors feature multiple high-speed channel paths in close proximity. This layout inevitably increases electromagnetic coupling, resulting in near-end crosstalk (NEXT) and far-end crosstalk (FEXT). Our factory designs use dedicated internal shielding partitions to isolate each channel, guaranteeing signal-to-noise ratios that exceed IEEE 805.3 requirements.
By incorporating common-mode chokes, isolation transformers, and auto-transformers directly inside the metal shield of the connector, we minimize PCB routing distances. This design step removes external magnetics footprints, shortens loop paths, and prevents the PCB from acting as a high-frequency antenna that radiates unwanted emissions.
In applications supporting Power over Ethernet (PoE, PoE+, and PoE++), current running through the small wire pairs generates heat. Our multi-port jacks use selected copper alloys with low DC resistance and elevated glass transition temperature (Tg) liquid crystal polymers (LCP) to prevent mechanical deformation under maximum thermal loads.
As transmission rates push past 100MHz into the GHz range, passive components inside the modular jack show parasite capacitance and inductance. The physical layout must compensate for these parasitics. Xelivor's engineering team uses advanced 3D EM simulation tools (such as Ansys HFSS) to design the internal structure of the RJ45 pins and PCB layout inside the MagJack. The target is to minimize return loss and insertion loss across the entire frequency band.
In a 10G Base-T multi-port configuration, we pay close attention to the return path of the common-mode signals. Without proper filtering, common-mode noise can bypass the PHY silicon chip's internal filters and cause packet errors or total link loss. Our multi-port designs incorporate a 3-wire common mode choke on the line side of the transformer, which offers superior common-mode noise suppression from 1MHz to 500MHz without attenuating the differential mode data signals.
Analyzing B2B procurement trends, localized applications, and supply chain demands across key regions.
With global data demands growing rapidly, data centers require denser port layouts in their Top-of-Rack (ToR) and End-of-Row (EoR) switches. Multi-port RJ45 connectors allow network switch manufacturers to pack up to 48 ports in a single 1U rack slot, maintaining high performance and thermal safety margins.
Modern factories rely on Industrial Ethernet (EtherCAT, Profinet, Modbus-TCP) to synchronize robotic arms, sensors, and controllers. In these harsh environments, our multi-port connectors provide excellent resistance to vibration, wide temperature variations (-40°C to +85°C), and electromagnetic noise from heavy machinery.
From GPON/EPON Optical Network Terminals (ONT) to localized 5G microcell base stations, robust and weather-resistant multiple port RJ45 jacks ensure stable broadband delivery. Advanced shielding protects communication systems from ambient RF signals and lightning surges.
Navigating global compliance landscapes requires more than simple assembly lines. Xelivor provides fully traceable supply chains complying with RoHS (Restriction of Hazardous Substances) and REACH requirements. By partnering with over 850 raw material and component suppliers, we maintain stable production outputs even during raw material shortages. This keeps lead times predictable for our European, North American, and Asian B2B buyers.
Annual Export Revenues
Dedicated R&D Engineers
Supply Chain Partners
QA Inspectors
A trusted manufacturer and global exporter of high-performance optical communication products and network interface connectors.
Established in 2016, Xelivor Optoelectronics Co., Ltd. is a professional manufacturer of optical transceivers and fiber connectivity solutions, serving global data center, telecom, enterprise network, and cloud computing industries. Operating from a modern manufacturing facility covering 386 m², we have built a solid reputation for delivering reliable, high-performance optical communication and network connector products worldwide.
With over 8 years of industry experience and 6 years of export history, our annual export revenues exceed USD 12 million. Our products are exported to customers across North America, Europe, Southeast Asia, the Middle East, and South America, supporting a wide range of networking configurations.
Our engineering teams design, develop, and produce high-performance optical transceivers (SFP, SFP+, SFP28, QSFP28, QSFP-DD, OSFP, DAC, AOC) alongside robust Ethernet modular connectivity interfaces. Supported by a dedicated R&D team of 68 engineers, we launched more than 85 new products last year to keep pace with evolving market demands.
Quality is at the core of our operations. Our comprehensive quality management system incorporates:
A professional quality assurance team of 32 inspectors ensures every batch of connectors and transceivers meets strict international standards.
How we are preparing network infrastructure components for next-generation speeds and power delivery.
Upgrading legacy fast-ethernet channels to support NBASE-T specifications. Our integrated magnetics are fine-tuned to maintain optimal return loss margins, allowing Cat5e and Cat6 cabling runs to operate up to 100 meters without packet loss.
With the rise of smart building automation and high-power PTZ cameras, network devices require up to 90W-100W of power delivered over standard category cables. Our future line-up features advanced contact designs that resist electrical arcing under high load insertion/extraction cycles.
To support high-yield Surface Mount Technology (SMT) assembly, our R&D team is refining our connector pin coplanarity tolerance to less than 0.1mm. This guarantees defect-free solder joints during automated reflow soldering processes.
Addressing the core design, manufacturing, and integration challenges of B2B procurement and engineering teams.
We provide multiple gold plating options to suit different durability requirements. These include Flash gold, 3u", 6u", 15u", 30u", and 50u" gold plating over nickel. For industrial and telecommunication deployments where the connector is subjected to frequent insertion/extraction cycles, we recommend 50u" gold plating to prevent surface wear and maintain low contact resistance over time.
Our multi-port RJ45 connectors (such as 1x4 and 1x8 modular jacks) feature independent internal shielding walls between adjacent ports. This Faraday shield barrier limits electrical field coupling, keeping adjacent channel crosstalk (NEXT/FEXT) well below industrial thresholds even at high frequencies up to 500 MHz.
Yes. Our R&D team of 68 engineers regularly designs custom turns ratios, auto-transformer taps, and internal filtering networks to match physical layer transceiver chips from vendors like Broadcom, Marvell, Realtek, and Intel. You can provide your PHY chip part number, and we will match or design the corresponding magnetics circuit.
Yes. Our standard connector housings are molded from high-performance Thermoplastic (such as LCP or Nylon-9T) that withstands peak lead-free wave soldering temperatures of 260°C for up to 10 seconds. We also offer SMT (Surface Mount Technology) and press-fit (Pin-in-Paste) styles for automated assembly lines.
We offer comprehensive OEM/ODM services, including custom metal shell dimensions, custom LED colors (single-color, dual-color, or multi-color), customized internal PCB layouts, proprietary pin configurations, private labeling, and customized blister pack designs. Our vertically integrated facility enables rapid prototyping and short development cycles.
Additional high-performance modular jacks and shielded interface options for global networks.
