SpecificationDocumentsInquirySpecification COMNEN’s 100G QSFP28 to 25G SFP28 Adapter (QSA) Module serves as a crucial component in modern networking environments, facilitating seamless connectivity between high-speed 100G QSFP28 ports and lower-speed 25G SFP28 interfaces. This adapter module acts as a bridge, enabling compatibility and flexibility within diverse network infrastructures. At its core, the QSA module is designed to address the evolving demands of data centers and enterprise networks where heterogeneous equipment coexists. It allows organizations to maximize the utility of existing hardware investments while adapting to changing networking requirements. Physically, the QSA module typically features a compact form factor, making it easy to install and integrate into networking equipment such as switches, routers, and network interface cards (NICs). Its small size ensures minimal disruption to existing setups and optimizes space utilization within network cabinets and racks. Functionally, the QSA module acts as an interface converter, translating the electrical and optical signals between QSFP28 and SFP28 interfaces while preserving signal integrity and minimizing latency. This enables seamless communication between devices operating at different transmission speeds without sacrificing performance or reliability. Electrical Characteristics Data Rate: The adapter facilitates the conversion of data rates between 100G QSFP28 and 25G SFP28 interfaces. It must support the transmission and reception of data at the specified rates for both interfaces. Voltage Levels: The QSA module must adhere to standardized voltage levels specified by the QSFP28 and SFP28 specifications. This includes the voltage levels for signal transmission, reception, and power supply. Power Consumption: The adapter should consume minimal power while converting signals between QSFP28 and SFP28 interfaces. Low power consumption is desirable to minimize energy costs and heat dissipation within networking equipment. Signal Integrity: The QSA module must maintain signal integrity throughout the conversion process to ensure accurate data transmission. This includes minimizing signal distortion, jitter, and noise that can degrade signal quality. Transmitter and Receiver Sensitivity: The adapter’s transmitter and receiver circuits should exhibit sufficient sensitivity to transmit and receive data reliably over the specified distances and operating conditions. Compliance Standards: The electrical characteristics of the QSA module should comply with industry standards and specifications, such as those defined by the Institute of Electrical and Electronics Engineers (IEEE), Small Form Factor (SFF) Committee, and Multi-Source Agreement (MSA) groups. Cross-talk and Interference: The adapter should minimize cross-talk and electromagnetic interference (EMI) between channels and neighboring components to prevent signal degradation and ensure data integrity. Impedance Matching: The QSA module must maintain proper impedance matching between the connected interfaces to optimize signal transfer and minimize reflections. Bit Error Rate (BER): The adapter should maintain a low bit error rate within acceptable limits to ensure reliable data transmission across the network. Temperature and Environmental Specifications: The electrical characteristics should be specified over a range of operating temperatures and environmental conditions to ensure reliable performance in diverse deployment scenarios. ——————————————————————————————————————————————— Mechanical Characteristics • Housing Material: ZINC ALLOY • Insert Material: FLAME RETARDANT PC110 • PCB Material: FR-4 T=1.2mm • Contact Material: PHOSPHOR BRONZE STAMP PIN T=0.35mm • Retentiveness of insertion structure • IDC Contact Material: PHOSPHOR BRONZE T=0.50mm WITH TIN PLATING • IDC Life: 200 TIMES MIN ——————————————————————————————————————————————— Environmental • Storage Temp. ：-40°TO 70° • Operation : -10°TO 60° ——————————————————————————————————————————————— Product Application • Migration and Transition • Interoperability and Compatibility • Optical Network Upgrades • Network Expansion and Scalability • Hybrid Cloud Deployments • High-Performance Computing (HPC) • Data Center Interconnects (DCI) Documents 100G QSFP28 to 25G SFP28 Adapter(QSA) Module Datasheet Inquiry Your name Your email Your Company Your Phone Request Product Your Product Details Δ×
