Xelivor
Xelivor
Explore our high-performance RJ45 connectors, stacked cages, and optical transceivers engineered for enterprise-grade networking.
In modern network engineering, the physical layer infrastructure dictates the latency, throughput, and operational continuity of enterprise operations. The RJ45 Data Connector remains the foundation of local copper networks. As data volumes surge in industrial environments, B2B procurement managers and system architects face the challenge of securing components that minimize signal attenuation and resist electromagnetic interference (EMI) while ensuring full compatibility with high-power Power over Ethernet (PoE++) frameworks.
Factory floors are dense with electromagnetic noise from heavy machinery, high-voltage lines, and variable frequency drives. Our CE-certified shielded (STP) RJ45 connectors shield high-frequency signals, preserving transmission integrity in automation controls, PLC systems, and robotic systems.
Surveillance networks, intelligent street lighting, and traffic management hubs require ruggedized IP67/IP68 waterproof RJ45 modular jacks. High-durability designs prevent water ingress and dust accumulation, ensuring reliable performance in harsh outdoor environments.
High-density server racks rely on modular jacks with low insertion loss and high cross-talk rejection. The combination of SFP/SFP+ optical cages and high-performance copper RJ45 modular jacks enables reliable hybrid copper-fiber topologies, optimizing throughput at minimal operational cost.
Our manufacturing standards focus on maintaining signal integrity under extreme conditions. A standard RJ45 connector must do more than establish a mechanical link; it must act as a transparent component in the high-frequency transmission path. Key engineering features of our connectors include:
To prevent contact resistance degradation caused by oxidation over years of service, our RJ45 connectors feature 50 micro-inches (50μ") of gold plating over nickel on phosphor bronze contacts. This specification exceeds standard commercial grades, guaranteeing a minimum of 750 mating cycles and ensuring reliable performance in high-humidity environments.
For Cat6A and Cat7 applications, electromagnetic interference (EMI) and alien crosstalk (ANEXT) pose significant challenges. Our connectors are encased in high-quality brass or copper alloy shells plated with nickel. This design provides 360-degree shielding and a low-resistance path to ground, minimizing electromagnetic emissions and improving external noise immunity.
Under the IEEE 802.3bt (PoE++) standard, up to 90W of power can be delivered over four pairs of twisted copper wires. Without proper design, high current levels can lead to heat accumulation inside the connector and spark erosion at the contacts. Our RJ45 modular jacks feature balanced DC resistance to minimize heat buildup, along with specialized contact geometry to protect the mating zone from electrical arcing during unmating under load.
In critical network deployments, compliance is essential for risk mitigation. The CE marking on our RJ45 data connectors signifies conformity with European safety, health, and environmental protection standards. It ensures our products comply with the Low Voltage Directive (LVD) 2014/35/EU and the Electromagnetic Compatibility (EMC) Directive 2014/30/EU.
Ensures that the connector design does not emit electromagnetic interference that could disrupt nearby electronic equipment, and that it has sufficient immunity to electromagnetic disturbances to operate as intended.
Guarantees that all plastic resins, solder materials, and gold/nickel platings are free of hazardous substances such as lead, cadmium, mercury, and polybrominated biphenyls (PBBs), aligning with modern circular economy and green procurement policies.
Our strict manufacturing tolerances ensure minimal return loss, preventing signal reflections that can degrade high-speed data transmission over extended runs.
Xelivor Optoelectronics Co., Ltd. is a professional manufacturer of optical transceivers and fiber connectivity solutions, dedicated to serving global data center, telecom, enterprise network, and cloud computing industries. Established in 2016, the company operates from a modern manufacturing facility covering 386 m² and has built a strong reputation for delivering reliable, high-performance optical communication products worldwide.
With over 8 years of industry experience and 6 years of export experience, Xelivor has achieved annual export revenues exceeding 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 applications from enterprise infrastructure to hyperscale data centers.
Xelivor specializes in the design, development, and production of optical transceivers, including SFP, SFP+, SFP28, QSFP28, QSFP-DD, OSFP, DAC, and AOC solutions. Backed by a dedicated R&D team of 68 engineers, the company continuously invests in innovation and launched more than 85 new products in the past year to meet the evolving demands of high-speed optical networks.
Quality is at the core of our operations. Our quality management system incorporates incoming material inspection, in-process quality control, aging tests, compatibility verification, optical parameter testing, and final product inspection. A professional quality assurance team of 32 inspectors ensures every product meets strict international standards before shipment.
The company maintains long-term cooperation with more than 850 supply chain partners, enabling stable sourcing, efficient production, and rapid delivery capabilities. Our flexible manufacturing system supports OEM, ODM, private label, customized firmware, customized labeling, and packaging services to satisfy diverse customer requirements.
As a company with strong independent R&D capabilities, advanced testing equipment, and a customer-oriented approach, Xelivor serves distributors, system integrators, telecommunications operators, data center providers, network equipment vendors, and enterprise customers worldwide. Driven by innovation, quality, and partnership, Xelivor Optoelectronics Co., Ltd. remains committed to providing cost-effective, reliable, and future-ready optical communication solutions for global networking infrastructure.
The telecommunications industry is moving beyond standard gigabit limits, requiring physical layer components to evolve rapidly. Our engineering team is currently developing next-generation solutions designed for future networks:
Supporting bandwidths up to 2000 MHz and speeds of 25G/40GBASE-T over short runs (up to 30 meters). Our upcoming Cat8 RJ45 series features enhanced shielding to virtually eliminate cross-talk in data center switch-to-server connections.
Enabling 10 Mbps to 1 Gbps transmission speeds over a single pair of copper wires. This technology reduces weight and footprint, making it ideal for automotive Ethernet and industrial fieldbus migrations.
Embedding active signal conditioning components directly inside the RJ45 housing. This integrated approach saves PCB space, improves EMI performance, and simplifies board layout for equipment manufacturers.
Get answers to critical engineering and compliance questions regarding RJ45 connector performance and application.
Gold is highly resistant to corrosion and oxidation, which are primary causes of signal degradation over time. 50 micro-inches (50μ") of gold plating represents the industrial standard for harsh and high-mating-cycle environments. Thinner platings (such as flash gold or 15μ") wear away after few insertions, exposing the underlying phosphor bronze to air, leading to contact resistance buildup, packet loss, and high return loss.
Crosstalk occurs when signals from one twisted pair leak into an adjacent pair. Our Cat6A and Cat7 RJ45 connectors use internal physical isolators and comprehensive metal shielding. Each pair is separated within the connector body, and the nickel-plated metal shell acts as a Faraday cage, diverting external noise to ground and keeping signal leaks below standard limits (e.g., meeting TIA-568.2-D specifications up to 500 MHz).
Standard connectors not optimized for PoE++ can experience significant thermal buildup or spark damage at the contact points during hot-unplugging. Our CE certified RJ45 connectors are designed with high-quality phosphor bronze pins and balanced DC resistance to handle up to 1 Amp of current per contact safely. The physical shape of the contact pins ensures that when disconnected under load, the resulting spark occurs away from the active signal transmission area.
Shielded (STP) modular jacks feature an outer metal casing that connects to the cable shield, ground, and chassis, offering high protection against EMI/RFI and crosstalk. This makes them ideal for industrial facilities, medical environments, and data centers. Unshielded (UTP) jacks lack this metal cover and rely on the wire twists to reject noise, which is suitable for standard office spaces with low electromagnetic interference.
Browse our selection of optical transceivers, compatible cages, and magnetic connectors designed for reliable high-speed networking.
