The JBX01459 100GBASE-LR4 QSFP28 optical transceiver represents cutting-edge connectivity technology for modern enterprise networks. Engineered to deliver 100GB/s data rates, this module excels in demanding environments requiring high-speed, long-distance optical transmission. **Technical Specifications:** Operating at 100GBASE-LR4 standards, this QSFP28 transceiver transmits data up to 10 kilometers over singlemode fiber (9/125 core diameter). The duplex LC/UPC connector configuration ensures optimal signal integrity and minimal insertion loss. With operating temperatures ranging from 0-70°C (32-158°F), it performs reliably across diverse deployment environments. **Compatibility & Integration:** Designed as a direct replacement for Fortinet FN-TRAN-QSFP28-LR and FG-TRAN-QSFP28-LR4 modules, this transceiver seamlessly integrates into existing Fortinet network infrastructure. The compact QSFP28 form factor (5x4x2 inches) fits standard network equipment slots without requiring additional modifications. **Quality & Compliance:** Manufactured to stringent industry standards, this transceiver meets IEEE 802.3bm, QSFP28 MSA, and SFF-8665 specifications. Safety certifications include Class 1 Laser compliance, TUV, UL/FDA (21CFR 1040.10), and LN #50 7/2001 approval. Full RoHS and ELV directive compliance ensures environmental responsibility. **Durability & Support:** Constructed with a robust metal case and precision laser transmitter, this module withstands demanding data center environments. Backed by a 90-day limited warranty, it provides peace of mind for critical network investments. Custom brand programming is available for enterprise deployments. **Shipping & Availability:** Qualifies for free standard shipping on orders exceeding $99, with rapid dispatch from Danville, CA or Beaufort, SC locations. Ideal for immediate network upgrades and future-proof connectivity solutions.