The TP-Link TL-SM321B 1000Base-BX WDM Bi-Directional SFP Module is designed for high-performance network connectivity, offering a robust solution for long-distance data transmission. With its innovative bidirectional communication and compatibility with various TP-Link devices, this SFP module ensures reliable and efficient networking for your business.
TP-Link TL-SM321B Camera Features
- Transmission Distance: Up to 20 km with 9/125 ?m SMF (Single-Mode Fiber) – Enables long-distance communication without signal loss.
- Bidirectional WDM: Communication on a single fiber – Reduces cabling requirements and simplifies network design.
- Compatibility: Works with Small Form Pluggable Multi-Source Agreement (SFP-MSA) – Ensures seamless integration with a wide range of devices.
- Digital Diagnostic Monitoring: Supports DDM – Provides real-time monitoring of the module’s status for enhanced reliability.
- Hot-Swappable Design: Allows for easy replacement without downtime – Minimizes disruption to network operations.
- Pairing Capability: Works with TL-SM321A as a pair – Expands network capabilities and optimizes performance.
TP-Link TL-SM321B Detailed Specifications
| Transmission Standard | 1000Base-BX |
| Transmission Distance | Up to 20 km |
| Fiber Type | Single-Mode Fiber (9/125 ?m) |
| Wavelength | 1310 nm / 1550 nm |
| Connector Type | LC Duplex |
| Digital Diagnostic Monitoring | Supported |
| Hot-Swappable | Yes |
| Compatibility | SFP-MSA compliant |



















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