Xelivor
Engineered for high-volume datacenters, enterprise routing switches, and industrial automation networks across Atlanta, Savannah, and Columbus.
Analyzing signal integrity requirements for the Southeast United States' fastest-growing technology, logistics, and automotive manufacturing corridor.
The State of Georgia has emerged as the premier technology and industrial logistics nexus in the Southeastern United States. Anchored by Metro Atlanta’s rapidly expanding hyper-scale data center market—ranking among the top five market clusters in North America—Georgia infrastructure demands high-performance, space-saving Ethernet connectivity components. From Douglas County’s enterprise cloud facilities to the Savannah Port Authority’s automated maritime logistics systems, high-density networking hardware is paramount.
Furthermore, the influx of advanced manufacturing facilities, such as the EV Metaplant in Bryan County and defense-tech hardware labs surrounding the Augusta Cyber Center, requires ruggedized components. PCB design engineers in Georgia face stringent real-estate constraints on 1U rack-mount chassis, edge switches, and industrial IoT gateways, making Stacked Port 2xN RJ45 Integrated Connector Modules (ICMs) the mandatory design choice over legacy single-row planar configurations.
As network bandwidth expands from Gigabit Ethernet to Multi-Gigabit (2.5G/5G) and 10G Base-T speeds, front-panel port density becomes the limiting design factor. A standard single-row 1x8 RJ45 jack array consumes approximately 112mm of horizontal board edge. In contrast, a stacked 2x4 configuration halves the required horizontal width, allowing hardware engineers to double port count within the same 1U enclosure height (44.45mm).
Integrating isolation transformers, common mode chokes, resistors, and high-voltage capacitors directly inside the metallic shield of stacked 2xN connectors reduces PCB signal trace lengths. This integrated magnetic design eliminates up to 30 discrete components per port, minimizing Near-End Crosstalk (NEXT) and Electromagnetic Interference (EMI) issues vital for FCC Class B and CE compliance in Georgia's industrial deployments.
Technical whitepaper analysis on differential signal routing, PHY chip compatibility, and power dissipation in stacked RJ45 magnetic jacks.
Our stacked RJ45 connectors feature custom-tuned magnetic wound cores compatible with leading Ethernet PHY transceivers from Broadcom, Marvell, Texas Instruments, and Realtek. The internal 1:1 turn ratio transformers maintain precise impedance matching (100 Ω differential impedance), preventing signal degradation over 100-meter Cat5e/Cat6a cabling runs typical of Georgia warehouse distribution hubs.
Support for IEEE 802.3af (15.4W), 802.3at (30W), and 802.3bt (up to 90W Type 4) Power over Ethernet requires specialized thermal pathing. Stacked RJ45 connectors feature heavy-gauge copper alloy contacts and high-temperature LCP (Liquid Crystal Polymer) plastic housings rated to UL 94V-0, preventing thermal throttling or contact melting under continuous 90W load in unconditioned industrial control enclosures.
To withstand electrostatic discharges in Georgia's humid coastal regions, each stacked connector is wrapped in a high-strength nickel-plated brass shell with 360-degree EMI grounding fingers. This shield provides >30dB insertion loss attenuation across 30MHz–1000MHz and withstands ESD pulses up to 15kV, protecting sensitive PHY silicon from voltage spikes induced by nearby industrial machinery.
| Parameter / Parameter Standard | 100Base-TX Stacked | 1000Base-T (1G) Stacked | 2.5G / 5G Base-T Stacked | 10G Base-T Ultra High-Speed |
|---|---|---|---|---|
| Operating Bandwidth | 1 - 100 MHz | 1 - 125 MHz | 1 - 250 MHz | 1 - 500 MHz |
| Insertion Loss (Max) | -1.0 dB @ 100MHz | -1.2 dB @ 100MHz | -1.5 dB @ 250MHz | -2.0 dB @ 500MHz |
| Return Loss (Min) | -18 dB @ 30MHz | -16 dB @ 80MHz | -14 dB @ 200MHz | -10 dB @ 500MHz |
| Crosstalk / NEXT (Min) | -35 dB @ 60MHz | -33 dB @ 100MHz | -30 dB @ 250MHz | -28 dB @ 500MHz |
| Common Mode Rejection | -30 dB @ 100MHz | -30 dB @ 100MHz | -25 dB @ 250MHz | -20 dB @ 500MHz |
| Isolation Voltage (HI-POT) | 1500 Vrms / 1 min | 1500 Vrms / 1 min | 2250 Vdc / 1 min | 2250 Vdc / 1 min |
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.
Deploying stacked RJ45 magnetic jacks in mission-critical environments throughout key Georgia economic clusters.
In Atlanta’s data center hubs, top-of-rack (ToR) switches and patch panels demand ultra-high port density. Our 2x4 and 2x8 10G Base-T RJ45 magnetic connectors allow switch manufacturers to pack 48 ports into 1U chassis with low insertion loss, allowing seamless server management and high-frequency data routing.
Automated crane controllers, AGVs, and RFID scanners operating at the Port of Savannah experience high vibration and humidity. Our industrial-grade (-40°C to +85°C) 2x1 and 2x2 stacked RJ45 connectors feature gold-plated contacts (50μ") and solder-lock pins that prevent signal micro-interruptions.
Cyber defense hardware requires high isolation and minimal crosstalk to prevent signal leakage. Our 10P8C shielded stacked connectors incorporate dual-shielding techniques with 360-degree EMI grounding fingers, meeting strict MIL-STD and FCC compliance standards for military sub-assembly contractors in Augusta.
Georgia’s EV ecosystem relies on industrial Ethernet gateways powering robotic assembly arms and computer vision systems. Supporting 90W PoE++ per port, our stacked connectors supply power and gigabit data over a single cable directly to cameras and sensors, cutting wiring complexity on the factory floor.
Explore our complete OEM line of multi-port side-entry through-hole and SMT stacked RJ45 magnetic connectors.
Rigorous test protocols ensuring zero-defect delivery to electronics manufacturers and system integrators in North America.
All thermoplastic housings are molded using self-extinguishing UL 94V-0 liquid crystal polymer materials. High-grade brass shells and solder pins comply strictly with EU RoHS 2.0 and REACH environmental guidelines, ensuring seamless import clearance into Hartsfield-Jackson Atlanta Logistics Terminal.
Every stacked magnetic jack undergoes 100% automated electrical testing before packaging. Parameters checked include insertion loss, return loss, common mode rejection ratio (CMRR), and 1500V AC isolation voltage to guarantee signal integrity across high-speed PHY interfaces.
Leveraging direct air cargo routes to Atlanta (ATL) and sea-freight vessel routes to Savannah Port, Xelivor offers flexible shipping terms (DDP, FOB, CIF). Typical sample lead times are 3-5 days, with full production runs delivered within 2-3 weeks.
Addressing pinout compatibility, cross-referencing legacy part numbers, custom PCB footprints, and sample ordering.
Yes. Our stacked 2xN RJ45 magnetic jacks are designed as pin-to-pin, mechanical, and electrical drop-in replacements for industry-standard part numbers including Bel Fuse (0845-2D1T-AU, 0879-2C2R-DA), Pulse Electronics (JX20-0252NL), TE Connectivity (2250174-1), and Amphenol (SC861-G8-28). We provide cross-reference datasheets and 3D STEP models to verify board layout before sampling.
Our industrial-grade stacked connectors feature extended operating temperatures ranging from -40°C to +85°C. By utilizing high-temperature LCP plastics rated to 260°C reflow soldering and heavy copper plating, our connectors dissipate heat effectively even when supplying continuous 90W PoE++ power across all ports inside high-ambient outdoor cabinets.
For standard office network equipment, 6μ" or 15μ" gold plating is sufficient. However, for industrial deployments near coastal areas like Savannah or high-vibration manufacturing plants, we strongly recommend 30μ" or 50μ" hard gold plating over nickel. This ensures 750+ mating cycles and prevents micro-corrosion caused by atmospheric moisture and industrial gases.
Custom OEM/ODM modifications—such as specific LED color combinations (Green/Yellow, Bi-color), custom magnetic turn ratios for unique PHY ICs, or modified shield grounding tabs—can be prototyped in as fast as 7 to 10 days. Mass production volume typically ships within 2 to 3 weeks following engineering sample approval.
Our dual-layer stacked internal PCBs utilize physical ground plane shielding and orthogonal transformer placement. This design suppresses cross-talk (NEXT/FEXT) between the upper and lower port channels to less than -33dB at 100MHz, preventing packet loss in high-throughput 10G Base-T data center switches.
Yes, Xelivor provides comprehensive international logistics services, including DDP shipping directly to your facility in Georgia. We manage all export documentation, customs clearance, US import duties, and final truck delivery to your warehouse door with zero hassle.
Partner directly with Xelivor Optoelectronics Co., Ltd. for factory pricing, custom engineering support, fast sample dispatch, and reliable high-density stacked RJ45 connector supplies.