Supplier s optical transmitter QSFP28

QSFP28 optical transmitters are high-speed, hot-pluggable modules supporting 100Gb/s data rates, offered by multiple manufacturers including Amphenol, NEC, FS, Jabil, and Integra Optics.

Key Manufacturers and Product Lines

• Amphenol: Offers a wide range of 100G QSFP28 modules including SR4, LR4, ER4, ZR4, CWDM4, FR1, and DR1 series. These modules support LC or MPO optical ports, low power consumption, and are compliant with IEEE 802.3bm, SFF-8636, and QSFP28 MSA standards. Applications include data center interconnects, metropolitan area networks, and high-performance computing systems .
• NEC: Provides QSFP28 modules for LR1, ER1, LR4, ER4, and ZR4 distances ranging from 10 km to 80 km. NEC modules convert 4x25Gb/s electrical signals into 4-wavelength optical signals using wavelength division multiplexing, supporting high-speed 100Gb/s transmission over single-mode fiber .
• FS.com: Specializes in QSFP28 LR4 modules for long-distance transmission up to 10 km. FS modules are fully compliant with IEEE 802.3ba, QSFP28 MSA, and SFF-8636 standards, featuring LC duplex connectors, digital diagnostics via I2C, and compatibility with over 200 vendor devices .
• Jabil: Offers FR1 and DR1 QSFP28 transceivers for 2 km and 500 m single-mode fiber links, respectively. These modules support PAM4 modulation, CAUI-4 electrical interface, and full SFF-8636 diagnostics, suitable for cloud and enterprise data centers .
• Integra Optics: Provides a broad range of QSFP28 transceivers including SR4, eSR4, DR, CWDM4, FR, LR4, ER4L, supporting distances from 100 m to 40 km. Integra modules are fully OEM-compatible, support digital diagnostics monitoring, and are designed for high reliability and fast deployment .

Technical Highlights

• Data Rate: 100Gb/s (4x25Gb/s per lane) or up to 27.95Gb/s per lane for some LR4 modules .
• Wavelengths: 850 nm for multimode (SR4), 1295–1310 nm for single-mode LR4, 1264–1337 nm for CWDM4 and ER4L .
• Connector Types: LC duplex for single-mode, MPO/MTP for multimode .
• Power Consumption: Typically 3.5–5.5 W depending on module type and distance .
• Operating Temperature: Commercial (0–70°C) and industrial (-40–85°C) ranges available .
• Standards Compliance: QSFP28 MSA, IEEE 802.3bm, IEEE 802.3cu, SFF-8636, SFF-8665 .

Applications

• Data Centers: High-speed interconnects, server-to-switch links, and storage networks.
• Enterprise Networks: Core and distribution layer connectivity, campus networks.
• Telecom: Metro and long-haul optical links, including 10–80 km transmission.
• High-Performance Computing: Low-latency, high-bandwidth interconnects for HPC clusters.

Summary

QSFP28 optical transmitters are widely available from multiple manufacturers, offering a variety of form factors, distances, and wavelengths to suit different network requirements. Selection depends on fiber type, transmission distance, power budget, and compatibility with existing network equipment. Leading vendors like Amphenol, NEC, FS, Jabil, and Integra Optics provide modules that are MSA-compliant, hot-pluggable, and suitable for both enterprise and carrier-grade applications .