Product information
🛍️ Product Name
TP-Link TL-SM321A-2 Gigabit Single-Mode WDM Bi-Directional SFP Module – 1.25Gbps, LC Connector, Long-Distance Transmission
📦 Product Overview
The TP-Link TL-SM321A-2 is a gigabit single-mode WDM bi-directional SFP transceiver module designed for high-speed fiber connectivity. Supporting data rates up to 1.25Gbps, it uses a single fiber strand for both transmitting and receiving, reducing infrastructure costs while ensuring reliable long-distance communication. Ideal for enterprise switches and routers, it provides stable performance for extended fiber deployments.
🌟 Top Highlights
⚡ 1.25Gbps Data Rate – Fast and stable gigabit fiber connectivity
🔄 Bi-Directional WDM Technology – Transmit and receive over a single fiber
📡 Long-Distance Transmission – Supports up to 20km with single-mode fiber
🔌 LC Connector – Standardized interface for easy integration
🏢 Enterprise-Ready – Compatible with TP-Link switches and routers
📐 Technical Details
| Specification | Details |
|---|---|
| Form Factor | SFP (Small Form-Factor Pluggable) |
| Data Rate | 1.25Gbps |
| Fiber Type | Single-Mode |
| Transmission Distance | Up to 20km |
| Connector Type | LC Duplex |
| Wavelength | Tx: 1310nm / Rx: 1550nm |
| Compatibility | TP-Link switches and routers with SFP slots |
| Operating Temperature | 0°C to 70°C |
| Dimensions | 2.2 × 0.5 × 0.5 in (56 × 13 × 13 mm) |
| Included Accessories | Protective dust cap, quick installation guide |
💡 Why You Should Buy It
✅ Cost-effective fiber deployment with WDM technology
✅ Reliable gigabit performance for enterprise networks
✅ Long-distance transmission up to 20km
✅ Compact and easy to integrate with TP-Link devices
🎯 Recommended Use Cases
➤ Extending fiber connectivity in enterprise networks
➤ Connecting switches across long distances
➤ Powering high-speed backbone links
➤ Reducing fiber infrastructure costs with bi-directional transmission
🤝 Customer Assurance
🛡️ Warranty / Guarantee: Coverage available through manufacturer support
🔄 Returns Policy: Returns accepted as per standard reseller terms and conditions
🚚 Shipping Info: Delivery handled by reliable logistics partners with tracking support
📞 Customer Support: Assistance available via official support channels and authorized resellers
👉 Call to Action
Upgrade your fiber network with the TP-Link TL-SM321A-2 — efficient, reliable, and built for distance.
Thanks for choosing – YOUR TRUSTED IT PARTNER.
