The JBX01990 1000BASE-T SFP transceiver represents a premium solution for organizations seeking reliable Gigabit Ethernet connectivity without premium pricing. This copper-based module delivers exceptional performance and compatibility across diverse networking environments. **Key Features & Specifications:** Operating at 1GB data rates, the JBX01990 transmits low-voltage network signals efficiently over standard RJ45 copper cabling up to 100 meters. The module adheres strictly to IEEE 802.3ab standards, ensuring compatibility with virtually all modern network infrastructure. Its compact SFP form factor measures just 5x4x2 inches, enabling seamless installation in equipment with space constraints. **Cisco GLC-T-RGD Compatibility:** This transceiver serves as a direct replacement for Cisco's GLC-T-RGD module, offering identical functionality at competitive pricing. Whether upgrading existing systems or building new networks, this compatible alternative integrates flawlessly with Cisco hardware. **Robust Design & Compliance:** Constructed with a metal case and high-quality printed circuit board, the JBX01990 withstands demanding operational conditions. It maintains optimal performance across temperature ranges from -40°C to 85°C (-40°F to 185°F), making it suitable for climate-controlled data centers and outdoor enclosures alike. Full RoHS and TUV/UL compliance certification ensures adherence to international environmental and safety standards. **Ideal Applications:** - Enterprise data center upgrades - Server room connectivity - Network infrastructure expansion - Cost-effective Gigabit deployment - Cisco equipment integration - Copper-based network modernization **Support & Warranty:** Each module includes a 90-day limited warranty and complimentary standard shipping on orders exceeding $99. Ships from multiple U.S. locations for expedited delivery. Custom brand programming is available for organizations requiring specialized configurations. Invest in proven networking reliability with the JBX01990—the intelligent choice for Gigabit Ethernet solutions.