Xelivor
Xelivor
Integrated Magnetics, Shielded SMT, Vertical & Top Entry RJ45 Jacks Engineered for Signal Integrity and High Power Transmission.
Exploring the dynamics of Power over Ethernet (PoE) connectors and their structural evolution in next-generation hardware designs.
The transition from standard IEEE 802.3af (15.4W) to IEEE 802.3at (PoE+ up to 30W) and IEEE 802.3bt (PoE++ up to 90W) has introduced significant thermal and performance requirements. Modifying magnetic structures within RJ45 Integrated Connector Modules (ICMs) is essential to dissipate thermal spikes caused by currents exceeding 960mA across twisted pairs.
High-definition video processing, high-speed Wi-Fi 6E/7 Access Points, and IoT nodes demand interfaces that support 2.5G, 5G, and 10G Base-T speeds. Sourcing connectors that guarantee low insertion loss and high return loss up to frequencies of 500MHz is key to preserving signal integrity and limiting system packet drops.
Global electronics manufacturers, system integrators, and telecom operators require strict compliance with international standards. Buyers seek manufacturing partners in China capable of executing rapid prototypes, optimizing thermal isolation circuits, and maintaining long-term consistency in high-volume production cycles.
From edge computing to industrial operations: How integrated magnetic modules interface with PHY components.
Power over Ethernet simplifies PTZ (Pan-Tilt-Zoom) outdoor dome camera setups by running power and data through a single Cat6/Cat6A link. High-power IEEE 802.3bt capabilities require robust RJ45 jacks with integrated transformer modules. These modules isolate the system against transient surges, preventing PCB-level failure from lightning strikes and electrostatic discharge (ESD).
In high-density server configurations, space utilization is critical. Selecting integrated magnetic RJ45 connectors (MagJacks) removes the need for separate transformers on the motherboard, saving up to 50% of PCB board real estate. These systems utilize low-profile, multi-port config styles (like 2x4, 2x6 stacked systems) to achieve maximum port density per rack unit.
Standard RJ45 sockets can fail when exposed to the continuous vibrations and electrical noise of industrial environments. High-performance industrial implementations utilize shielded RJ45 modules featuring copper-alloy shells, gold plating thicknesses up to 50u", and integrated LEDs for real-time connection status monitoring. This protects communication pathways from Electromagnetic Interference (EMI) generated by nearby high-voltage machinery.
Understanding critical material, magnetic, and physical parameters is vital for robust PCB and hardware design.
| Parameter | Fast Ethernet (10/100M) | Gigabit Ethernet (1G/2.5G) | Multi-Gigabit (5G/10G Base-T) |
|---|---|---|---|
| PoE Compatibility | IEEE 802.3af (Type 1 - 15.4W) | IEEE 802.3at (PoE+ Type 2 - 30W) | IEEE 802.3bt (PoE++ Type 3/4 - 60W/90W) |
| Isolation Voltage | 1500 Vrms (Minimum) | 1500 Vrms - 2250 VDC | 2250 VDC (High Isolation) |
| Contact Gold Plating | 6u" to 15u" selective gold | 30u" gold over nickel barrier | 50u" gold over heavy nickel barrier |
| Shielding Type | Single-piece brass alloy, tin-plated | Nickel-plated copper-alloy shell | Full 360-degree EMI shielding with ground tabs |
| Operating Temperature | 0°C to +70°C | -40°C to +85°C (Extended) | -40°C to +85°C / -45°C to +125°C |
| Mating Cycles | 750 cycles min. | 750 cycles min. (enhanced retention) | 1000+ cycles (industrial grade) |
A professional manufacturer of optical transceivers, fiber connectivity systems, and specialized Ethernet interfaces serving global industries.
Established in 2016, Xelivor Optoelectronics Co., Ltd. operates a modern manufacturing facility covering 386 m², building a strong reputation for delivering reliable, high-performance communication products worldwide. Backed by 6 years of direct export experience, our systems support networking infrastructures across North America, Europe, Southeast Asia, the Middle East, and South America.
Quality is at the core of our operations. Our testing protocol includes incoming material inspection (IQC), in-process quality control (IPQC), aging tests, compatibility verification, electrical & optical parameter testing, and final QA inspection. A professional quality assurance team of 32 inspectors ensures every product meets strict international standards before shipment.
Ensuring compatibility with regional requirements and satisfying customized engineering demands.
Our flexible manufacturing system supports complete OEM and ODM integration. We supply customized firmware setups, custom port structures, variable PCB pin directions, specialized diagnostic LED layouts, and customized packaging configurations to align with your design requirements.
All delivered products adhere to environmental standards, including RoHS and REACH directives. Sourcing raw materials from certified partners guarantees our components remain free of hazardous substances. This reduces border customs risks and simplifies your end-product compliance approvals.
By coordinating with our established supplier base of over 850 partners, Xelivor maintains buffer stock profiles on raw metals and magnetic cores. This helps stabilize lead times and reduces production bottlenecks caused by industry-wide components shortages.
Adapting to evolving communication parameters, high-density computing needs, and Single-Pair Ethernet trends.
Optimizing multi-layered magnetic coil designs to lower cross-talk up to 500MHz. We are expanding the deployment of vertical, SMT-based 10G RJ45 connectors configured for automated picking and assembly, optimizing high-density edge network switch interfaces.
Industrial IoT is transitioning toward Single-Pair Ethernet (IEEE 802.3cg/bu/ch). While standard 8-pin RJ45 designs remain prevalent, we are developing hybrid layouts that combine traditional RJ45 footprints with compact SPE interfaces, allowing legacy equipment to work alongside newer designs.
Smart buildings are moving toward 90W-100W PoE distribution systems to run lighting, displays, and climate controls. Our engineering teams are designing specialized alloy contact surfaces that resist arcing damage when hot-unplugging cables under full load.
Resolving core technical questions regarding design integration, thermal behavior, and sourcing logistics.
An ICM (or MagJack) houses the isolation transformer, common-mode chokes, resistors, and capacitors inside the shielded housing of the RJ45 port. This saves up to 50% of motherboard space, reduces trace routing complexity, improves EMI shielding by positioning the magnetics closer to the cable entry point, and provides better signal integrity.
When running up to 90W-100W, currents up to 960mA pass through the connector contacts and internal magnetic wires. This leads to I²R copper losses that generate heat. Standard connectors can melt or degrade under these conditions. Reliable PoE++ connectors require thicker gold plating, heavy-duty contact pins, and heat-resistant plastic housings (such as LCP) to handle these temperatures safely.
Gold-plating thickness determines the durability and longevity of the connection interface. A thickness of 50 micro-inches (50u") provides the best protection against corrosion, humidity, and wear over multiple mating cycles. This is the standard requirement for high-reliability systems in telecommunications, data centers, and industrial machinery.
Our connectors feature integrated transient voltage suppressors, high-voltage capacitors, and robust isolation transformers. These components isolate the PHY transceiver chip on the motherboard from external voltage spikes and common-mode noise. Every production run undergoes automated optical inspections (AOI) and electrical parameter testing to verify compliance with IEEE standards.
We provide a wide range of customization options, including custom pin definitions, right-angle or vertical configurations, SMT or through-hole mounting styles, custom LED colors and configurations, shielded or unshielded housings, and tailored packaging designs. Our engineering team can work with you to develop custom solutions based on your specific requirements.
Explore our line of high-speed SFP transceivers, multi-port connectors, and LAN transformers.
