The JBX01417 is a premium 100GBASE-ER4 QSFP28 transceiver module engineered for high-speed, long-distance optical network connectivity. This transceiver supports 100Gbps data rates over singlemode fiber spans up to 40 kilometers, making it ideal for metropolitan area networks (MANs) and campus interconnections. **Key Features:** - 100GBASE-ER4 specification for 100GB/s transmission - 40km reach over 9/125µm singlemode fiber - Duplex LC/UPC fiber connectors for secure, low-loss connections - QSFP28 form factor compatible with modern networking equipment - Juniper QSFP-100G-4WDM40 compatible - IEEE 802.3bm certified for standards compliance **Technical Specifications:** - Data Rate: 100 Gigabits per second - Transmission Distance: 40km over SMF - Fiber Type: 9/125 singlemode (SMF) - Connector Type: Duplex LC/UPC - Operating Temperature: 0°C to 70°C (32°F to 158°F) - Form Factor: QSFP28 - Materials: Metal case with laser transmitter - Dimensions: 5" L x 4" W x 2" H **Compliance & Safety:** This module meets stringent industry standards including IEEE 802.3bm, QSFP28 MSA, and SFF-8665 specifications. It carries Class 1 laser certification, UL/FDA approval per 21CFR 1040.10, and full RoHS/ELV compliance, ensuring safe operation in professional environments. **Applications:** Perfect for enterprise data centers, carrier networks, university campuses, and service provider infrastructure requiring long-distance 100GB connectivity with minimal latency. Compatible with Juniper switches and compatible equipment. **Support & Warranty:** Includes 90-day limited warranty and free standard shipping on orders over $99. Custom brand programming available upon request. Ships from convenient US locations in California and South Carolina.