Xelivor
Xelivor
Explore our top-performing Ethernet and fiber optic connectivity products engineered for low signal attenuation, robust electromagnetic interference (EMI) protection, and high dimensional stability in hyper-scale applications.
As telecommunications networks transition to multi-gigabit bandwidths, high-density RJ45 connectors have evolved from basic interface accessories to complex signal integrity solutions. Chinese manufacturers sit at the absolute epicenter of this evolution.
Unlike Western operations reliant on distributed cross-border material channels, Chinese clusters integrate precision copper stamping, alloy electroplating, automated coil winding, and high-temperature polymer molding under localized geographic networks, drastically cutting down lead times.
Global electrical layouts demand bespoke pin dimensions, varying LED polarities, integrated EMI finger configurations, and specific PCB mounting offsets. Chinese OEM/ODM services support complete tailoring, adjusting standard 1x2, 2x6, or stacked form factors to fit proprietary footprints.
China's Tier-1 exporters implement end-to-end automated optical inspection (AOI), high-frequency vector network analyzer (VNA) testing, and automated injection systems ensuring UL94V-0 flammability ratings and strict compliance with RoHS and REACH standards.
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.
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.
R&D Engineers
Supply Chain Partners
New Products Annually
Annual Export Value
Strategic Sourcing Note: 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 our dedicated R&D team, we continuously invest in innovation to meet the evolving demands of high-speed optical networks. Our flexible manufacturing system supports OEM, ODM, private label, customized firmware, customized labeling, and packaging services to satisfy diverse customer requirements.
As network speed scales up to 10GBASE-T and 40GBASE-T, interconnect technologies must cope with extreme electronic constraints. Below are the key technological advancements shaping modern RJ45 connectors.
By housing isolation transformers, common mode chokes, and resistors directly inside the metal housing (the "MagJack" layout), high-density RJ45 configurations minimize PCB footprint, shield low-voltage PHY chips from surges, and simplify the design layout of network interface cards (NICs) and switches.
Integrating PoE (Power over Ethernet) introduces thermal issues as power-dense cables are packed into small modules. Connectors now use specialized thermoplastics and high-grade copper alloys to maintain stability under 90W-100W PoE++ current delivery, minimizing the risk of insulation degradation.
In tightly clustered stacked ports, signal leakage between neighboring connectors (crosstalk) is a major issue. Modern multi-port assemblies use continuous metal grounding tabs, internal shielding walls, and low-loss magnetic rings to keep crosstalk within IEEE requirements.
Combining RJ45 ports with optical transceivers or USB interfaces in a single modular component saves space in specialized telecom equipment and industrial computers, helping system integrators maximize control panel layout options.
High-density networking demands durable connectors that can handle rigorous operating conditions. Below are the key sectors utilizing high-density RJ45 products.
Modern data centers route thousands of connections per rack unit (RU). Stacked (2xN, 2x6, or 2x8) and magnetic RJ45 connectors help maximize patch panel space and maintain signal integrity. Reliable electrical connections are crucial to prevent packet drop-out under continuous operation.
Outdoor 5G macro stations and distributed small cells require robust connectors that can withstand wide temperature fluctuations and outdoor environments. Vertical entry connectors with built-in EMI shields help maintain stable high-frequency telecom operations.
Heavy machinery and robotic arms generate massive electromagnetic interference (EMI). Industrial RJ45 connectors require shielded structures and secure lock designs to survive constant vibration, dust, and electrical noise on the factory floor.
High-density IP cameras, access control terminals, and LED display matrices rely on PoE connectors. Built-in LED indicators simplify maintenance, allowing field engineers to quickly troubleshoot connection status directly from the port interface.
When selecting RJ45 high-density connectors and associated optical transceivers for large infrastructure deployments, engineers and procurement managers must evaluate several technical benchmarks:
We combine advanced optoelectronics manufacturing with strict quality standards to offer reliable, cost-effective high-density networking products.
Manufacturing Experience
Direct Technical Support
Shipment to 50+ Countries
Explore our collection of optical transceivers, SFP cages, and vertical entry RJ45 jacks designed for modern telecommunications networks.
Get authoritative answers to technical questions about high-density RJ45 connectors, optical transceivers, and industrial sourcing.
High-density RJ45 connectors feature stacked layouts (e.g., 2x1, 2x4, 2x6, or 2x8 configurations) that stack two vertical rows of ports into a single housing. They often integrate internal magnetics (chokes, isolation transformers), combining the connector and magnetics into a single component (MagJack) to reduce the PCB footprint by up to 50% compared to discrete solutions.
Integrated magnetics (chokes and isolation transformers) shield network components from voltage spikes, mitigate electromagnetic interference (EMI), and prevent common-mode noise. Incorporating these components directly within the metal shielding cage simplifies PCB routing, improves signal integrity, and reduces assembly costs.
PoE (specifically PoE+ and PoE++ up to 90W/100W) sends DC current through the signal pairs, generating heat within tightly packed connector blocks. Manufacturers must use high-temperature housing polymers (such as LCP or nylon 9T) and thicker gold contacts (up to 50 micro-inches) to prevent thermal degradation and contact sparking.
Industrial settings are filled with electromagnetic interference (EMI) from motors, relays, and switching power systems. Shielded RJ45 jacks with copper alloy shells and grounding fingers block external EMI and control high-frequency crosstalk between adjacent connector ports.
Xelivor implements a multi-stage Quality Management System (QMS) overseen by 32 QA inspectors. Our QC protocol covers incoming raw materials, in-process assembly checks, automated optical inspections (AOI), aging tests, compatibility testing, and final optical parameter verification to ensure compliance with global telecommunications standards.
Yes, our engineering department provides comprehensive OEM/ODM services. We can adjust contact tail lengths, LED polarities, housing dimensions, and circuit configurations to match your specifications. We also offer custom firmware, labeling, packaging, and private label support.