The JBX01803 10GBASE-ER SFP+ transceiver is a precision-engineered optical networking component designed to meet the demanding requirements of enterprise data centers and telecommunications infrastructure. As a direct replacement for the HPE J9153D, this module provides seamless integration into existing HPE ProCurve network environments while delivering exceptional performance and reliability. **Technical Specifications:** Operating at 1550nm wavelength, this 10GBASE-ER transceiver enables transmission speeds of 10 Gigabits per second over single-mode fiber (SMF) for distances up to 40 kilometers. The extended reach capability makes it ideal for metropolitan area networks (MANs), campus backbone connections, and long-distance facility interconnections. The module adheres to IEEE 802.3ae, SFF-8431, and SFF-8472 standards, ensuring compatibility with standards-compliant networking equipment. **Physical Design:** Measuring 5" x 4" x 2" with a compact metal case housing, the JBX01803 provides durability and thermal stability. The integrated laser transmitter ensures consistent performance across operating temperatures ranging from 0 to 70°C (32 to 158°F). Duplex LC/UPC connectors facilitate secure connections and reliable signal transmission with minimal insertion loss. **Safety & Compliance:** This transceiver meets stringent safety requirements, including Class 1 Laser certification, TUV, UL, and FDA compliance (21CFR 1040.10). The device is fully RoHS compliant per EU directive 2002/95/EC, making it suitable for environmentally conscious organizations. **Applications & Use Cases:** Ideal for organizations building or upgrading network infrastructure, this module excels in: • Data center interconnections • Service provider backbone networks • Campus network backbone connections • Metropolitan area network (MAN) implementations • Long-distance fiber optic deployments • HPE ProCurve switch environments **Warranty & Support:** Includes a 90-day limited warranty. Custom brand programming available for OEM applications. Ships from multiple U.S. locations (Danville, CA and Beaufort, SC) with free standard shipping on orders exceeding $99. Choose the JBX01803 for proven, standards-compliant 10GB optical connectivity that delivers performance, reliability, and value.