The TP-Link TL-SM321A 1000Base-BX WDM Bi-Directional SFP Module offers high-performance connectivity over long distances using advanced technology. Designed for seamless integration with TP-Link routers, switches, and media converters, this module ensures reliable communication while utilizing a single fiber for bidirectional data transmission. Experience efficient networking with enhanced distance capabilities of up to 20 kilometers.
TP-Link TL-SM321A Camera Features
Features
- Transmission Distance: Up to 20 km transmission distance with 9/125 ?m SMF (Single-Mode Fiber) – Enables long-distance communication without signal degradation.
- Bidirectional Communication: Bidirectional WDM communication on a single fiber – Optimizes fiber usage by allowing simultaneous data transmission in both directions.
- Compatibility: Compatible with Small Form Pluggable Multi-Source Agreement (SFP-MSA) – Ensures versatility and interoperability with various networking equipment.
- Diagnostic Monitoring: Supports Digital Diagnostic Monitoring (DDM) – Provides real-time status and performance metrics for proactive network management.
- Hot-Swappable: Hot-swappable module design – Facilitates easy upgrades and replacements without disrupting network operations.
- Pairing Capability: Works with TL-SM321B as a pair – Expands network capabilities and enhances performance when used together.
TP-Link TL-SM321A Detailed Specifications
| Feature | Details |
| Standard | 1000Base-BX |
| Wavelength | 1310 nm / 1550 nm |
| Distance | Up to 20 km |
| Fiber Type | Single-Mode Fiber (9/125 ?m) |
| Compatibility | SFP-MSA |
| Monitoring | Digital Diagnostic Monitoring (DDM) |
| Module Design | Hot-swappable |



















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