The JBX01485 100GBASE-PSM4 QSFP28 transceiver represents a cutting-edge solution for high-capacity network infrastructure requiring extended reach and exceptional reliability. As a parallel single-mode (PSM4) module, it delivers blazing-fast 100GB data rates across distances up to 500 meters, making it ideal for campus networks, data center interconnects, and metropolitan area networks (MANs). **Technical Excellence** This transceiver leverages quad-lane parallel transmission over 1310nm wavelength, utilizing standard 9/125 single-mode fiber with MTP/MPO-12/APC connectors. The architecture ensures maximum performance while maintaining compatibility with existing single-mode fiber plant infrastructure. IEEE 802.3bm and QSFP28 MSA certification guarantees interoperability and long-term viability. **Superior Safety & Compliance** Manufactured in Vietnam and China with rigorous quality controls, the module incorporates a laser transmitter within a protective metal case. It meets all international safety standards: Class 1 Laser designation, TUV certification, UL approval, and FDA 21CFR 1040.10 compliance. RoHS and ELV directives ensure environmental responsibility without compromising performance. **Seamless Integration** As a direct Cisco QSFP-100G-PSM4-S compatible replacement, installation requires no hardware modifications. The compact 5x4x2mm QSFP28 form factor fits standard port configurations. Operating across the extended temperature range of 0-70°C ensures reliability in diverse deployment environments. **Value-Driven Solution** With free standard shipping on orders exceeding $99 and availability from multiple distribution centers (Danville, CA and Beaufort, SC), rapid deployment is assured. Custom brand programming capabilities support organizations requiring proprietary configurations. The 90-day limited warranty provides peace of mind for critical network investments. **Ideal For:** Enterprise data centers, telecommunications providers, educational institutions, and service providers requiring dependable 100GB connectivity with proven Cisco ecosystem compatibility. This module outperforms budget alternatives through certified reliability and regulatory compliance.