The TP-Link TL-SM331T is a high-performance 1000BASE-T RJ45 SFP module designed to convert an SFP port into a copper Gigabit Ethernet interface. Encased in a durable, fully metallic housing for superior heat resistance and low EMI, this hot-pluggable transceiver provides a reliable, plug-and-play solution for extending copper network connections up to 100 meters over Cat 5e (or above) cabling.
Technical Specifications
- Model Number: TL-SM331T
- Interface Type: 1 x 1000 Mbps RJ45 Port
- Data Rate: 1.25 Gbps
- Cable Compatibility: UTP Cat 5e or above
- Maximum Cable Length: 100 meters
- Housing Material: Durable Metallic Enclosure
- Power Supply: 3.3V
- Power Consumption: 0.5 W (Typical), 0.8 W (Max)
- Operating Temperature: 0–70 °C
- Standards Compliance: IEEE 802.3-2002, SFP MSA, FCC, CE
Key Features
- Plug-and-Play Deployment: Designed for immediate integration without the need for additional software, configuration, or technical expertise.
- Extended Reach: Supports seamless, high-speed data transmission at distances of up to 100 meters between SFP interfaces and copper ports.
- Hot-Pluggable Design: Allows for easy installation, replacement, or maintenance within host systems without the need to power down or reboot network equipment.
- High Compatibility: Compatible with a wide range of network devices—including switches, gateways, and routers—from various vendors such as TP-Link, Cisco, Huawei, Ubiquiti, D-Link, Netgear, and MikroTik.
- Efficient Performance: Features low power dissipation and a robust metallic design to minimise electromagnetic interference (EMI) and ensure stable performance in varied commercial environments.





