The TP-Link TL-SM311LM is a high-performance 1000Base-SX multi-mode MiniGBIC (SFP) module designed to extend the reach of your network. Ideal for use with managed/smart switches and media converters, this module provides reliable, high-speed fibre connectivity for LAN infrastructure.
Technical Specifications
- Model Number: TL-SM311LM
- Standards & Protocols: IEEE 802.3z, CSMA/CD, TCP/IP
- Form Factor: SFP (Small Form Pluggable)
- Fibre Type: Multi-mode
- Connector Type: LC Duplex
- Data Rate: 1.25 Gbps
- Wavelength: 850nm
- Max. Cable Distance: 550m (using 50/125μm fibre) / 220m (using 62.5/125μm fibre)
- Power Supply: 3.3V
- Operating Temperature: 0°C to 70°C
Key Features
- Extended Reach: Efficiently extends network distance to meet demanding LAN requirements.
- Hot-Pluggable: Designed for maximum flexibility; can be installed or replaced without powering down the host device.
- Digital Diagnostic Monitoring (DDM): Supports real-time monitoring of module performance and link status.
- Broad Compatibility: Compatible with all standard SFP ports on TP-Link switches and compatible media converters (e.g., MC220L).
- High Reliability: Multi-mode fibre interface provides high-bandwidth and stable data transmission.





