Equip-Link
Equip-Link
High-frequency, mechanical-integrity cages configured in space-saving stacked architectures. Direct-fit solutions engineered to optimize air circulation and maximize board density for regional telecom platforms.
The United States is witnessing an unprecedented transition toward ultra-dense network architectures. With the hyper-acceleration of artificial intelligence training clusters, edge-computing deployments, and the comprehensive nationwide rollouts of 5G O-RAN architectures, system engineers are constantly challenged by space constraints on the physical printed circuit boards (PCBs).
Stacked 2xN interconnect interfaces (e.g., 2x1, 2x2, 2x4, 2x6, and 2x8 port layouts) provide the exact mechanical configuration required to double the faceplate port density compared to single-row (ganged) designs. This makes them crucial components for high-speed network switches, core routers, enterprise servers, and optical transmission terminals operating in North American data hubs.
Specifically, in regions hosting high concentrations of hyperscale data centers—such as Northern Virginia, Oregon, Texas, and Iowa—demands for zSFP+ and zQSFP+ stacked assemblies have surged. These parts allow backward-compatible architectures while delivering low insertion loss and high mechanical durability required to pass rigorous Bellcore/Telcordia standard metrics.
At high transmission frequencies (up to 28 Gbps per channel for SFP28 and 56 Gbps/112 Gbps PAM4 for QSFP architectures), stacked ports encounter significant signal integrity (SI) and thermal challenges. Because the upper port of a 2xN layout has longer internal routing traces compared to the lower port, impedance matching and routing skew require precision engineering.
Integrating elastomeric conductive gaskets or outer spring fingers to cover gap openings, providing robust protection against high-frequency electromagnetic leakage.
Compliant pin "eye-of-the-needle" termination style ensures zero solder joint cracks under extreme physical vibrations and thermal cycling.
Equipped with customized internal lightpipe configurations and integrated metal heat sinks to prevent thermal build-up within the densely packed cages.
"Engineers evaluating 2xN cages must consider insertion/removal durability cycles (minimum 100 cycles compliant with EIA-364 standards) and contact resistance. Our stacked connectors utilize high-quality Phosphor Bronze contact plating with 30 micro-inches of gold over nickel to protect against mechanical degradation."
Founded in 2017, Equip-Link Intelligent Equipment (Shenzhen) Co., Ltd. has established itself as an authoritative manufacturer and designer of high-performance optical transceivers and physical layer interconnect components. Over 9 years of direct export experiences and 14 years of design engineering expertise enables us to serve major global network markets, including the United States, Germany, the UK, Singapore, and Australia.
Operating from our modernized manufacturing center, we control every vertical element of cage and connector design—from stamping tool precision to automatic packaging. This enables us to maintain a consistent output that feeds into a massive network of over 1,280 qualified industry partners.
Our manufacturing floor is governed by rigorous ISO 9001:2015 frameworks. Every raw metal strip and molded polymer component undergoes incoming material inspection (IQC) before being loaded into high-speed precision stamping and injection machinery.
Physical stability and precision are non-negotiable for high-density press-fit structures. Below is our internal inspection deployment utilizing advanced temperature simulation and fiber alignment tooling:
For US defense, aerospace, and government enterprise contractors, strict compliance is a necessity. Equip-Link provides fully transparent material reports to satisfy quality declarations, environmental protocols, and regulatory hurdles:
All of our 2xN stacked SFP, SFP+, zSFP+, and zQSFP+ cages are manufactured with lead-free, non-toxic raw materials compliant with RoHS Directive 2011/65/EU. We use premium matte tin finishes over nickel underplating on compliant pins, preventing tin-whisker growth and maintaining solder-free environmental targets.
Through real-time logistics tracking and relationships with top-tier courier hubs in Hong Kong and Shenzhen, we offer express delivery schedules to major US logistics centers in California, Kentucky, and Tennessee, ensuring your manufacturing line never experiences downtime.
Explore our complete range of TE-compatible, Molex-compatible, and Pulse-compatible stacked systems optimized for the United States high-performance networking sectors.
Find answers to typical hardware routing, compliance, and thermal issues raised by US systems engineers when designing stacked cages on multi-layer FR4 boards.
