Upgrade your network with the TP-Link TL-SM321A-2 1000Base-BX WDM Bi-Directional SFP Module, designed for high-speed data transmission over single-mode fibre. This advanced module supports a bi-directional data flow on a single fibre strand, making it an ideal solution for reducing network complexity and deployment costs. With a reach of up to 2km, the TL-SM321A-2 ensures stable and efficient connectivity, perfect for extending network infrastructure in both small and medium-sized business environments.   The TL-SM321A-2 is compliant with the latest 1000Base-BX standard and supports Digital Diagnostic Monitoring (DDM), allowing real-time monitoring of key parameters such as optical power, temperature, and supply voltage. This feature enhances network management and maintenance, ensuring optimal performance. Its hot-swappable design allows for easy installation and replacement without network disruption, providing maximum flexibility and uptime.   Ensure your network operates at peak performance with the TP-Link TL-SM321A-2. Its compatibility with a wide range of network devices, coupled with robust features, makes it a reliable and efficient choice for modern network infrastructures. Experience seamless, long-distance, high-speed transmission with this bi-directional SFP module.FEATURES Supports 1000Base-BX standard Bi-directional data transmission on a single fibre strand Up to 2km transmission distance over single-mode fibre Compatible with SFP Multi-Source Agreement (MSA) Supports Digital Diagnostic Monitoring (DDM) Hot-swappable for easy installation and maintenance Integrated LC Bi-Directional optical interface connector Provides reliable gigabit fibre connection Ideal for use with switches, routers, and servers Enhances network performance and reliability SPECIFICATIONS Port Type: LC Simplex Fibre Type: Single-mode Fibre (9/125μm) Data Rate: 1.25Gbps Wave Length: Tx: 1550nm RX: 1310nm Max. Cable Length: 2km Standards and Protocols: IEEE 802.3z, TCP/IP Power Support: 3.3V Operating Temperature: 0˚C to 70˚C Storage Temperature: -40˚C to 85˚C Safety & Emission: FCC, CE CONTENTS SFP Module TL-SM321A-2 Installation Guide WARRANTY3-Year Manufacturer's Warranty