🛍️ Product Name
TP-Link TL-SM321B-2 | 1000Base-BX WDM Bidirectional SFP Module – Single-Mode, LC Connector, 20 km Transmission
📦 Product Overview
The TP-Link TL-SM321B-2 is a Gigabit SFP transceiver module designed for bidirectional data transmission over single-mode fiber. Using WDM (Wavelength Division Multiplexing) technology, it enables efficient communication with only one fiber strand, reducing infrastructure costs while maintaining high-speed and stable connectivity. Ideal for enterprise networks, campus backbones, and ISP deployments requiring long-distance fiber links.
🌟 Top Highlights
🔄 Bidirectional Transmission – Uses a single fiber strand for both send and receive
🌐 Gigabit Speed – Supports 1000 Mbps full-duplex connectivity
📡 Long-Distance Reach – Up to 20 km transmission over single-mode fiber
🔌 LC Connector – Standardized interface for easy integration
🛡️ Reliable Performance – Stable operation with TP-Link switches and routers
📐 Technical Details
| Specification | Details |
|---|---|
| Model | TL-SM321B-2 |
| Standard | 1000Base-BX (Gigabit Ethernet) |
| Transmission Type | Bidirectional WDM (single fiber) |
| Connector | LC simplex |
| Wavelength (Tx/Rx) | Tx: 1310 nm / Rx: 1550 nm |
| Fiber Type | Single-mode fiber |
| Transmission Distance | Up to 20 km |
| Data Rate | 1.25 Gbps |
| Operating Temperature | 0°C to 70°C |
| Compatibility | TP-Link switches & routers with SFP slots |
| Warranty | 3 Years (brand verified) |
💡 Why You Should Buy It
✅ Cost-effective fiber deployment with single-strand design
✅ Long-distance connectivity up to 20 km
✅ High-speed Gigabit performance for enterprise networks
✅ Reliable integration with TP-Link networking equipment
🎯 Recommended Use Cases
➤ Enterprise backbone connections
➤ ISP fiber deployments
➤ Campus or building interconnects
➤ Long-distance point-to-point fiber links
🤝 Customer Assurance
🛡️ Warranty / Guarantee: 3 Years brand warranty through TP-Link
🔄 Returns Policy: Returns accepted as per standard reseller terms and conditions
🚚 Shipping Info: Delivery handled by trusted logistics partners with tracking support
📞 Customer Support: Assistance available via TP-Link official support channels and authorized resellers
👉 Call to Action
Enhance your fiber network with efficient bidirectional connectivity — choose the TP-Link TL-SM321B-2 today.
Thanks for choosing
– YOUR TRUSTED IT PARTNER.
