TP-Link TL-SM331T 1000BASE-T RJ45 SFP Transceiver Module, 1.25 Gbps, Gigabit Ethernet, 100m Max Distance | SM331T
Model :
SKU : SFP-TPLINK SM331T RJ45 SF
TL-SM331T
1000BASE-T RJ45 SFP Module
Support 1000BASE-T Operation in Host Systems
Support TX Disable function
For 100m* Reach Over UTP Cat 5e or above Cable
Hot-Pluggable SFP Footprint Features
Commercial Product Operating Temperature Range: 0-70°C
Compliant with IEEE Std 802.3-2002
Fully Metallic Enclosure for Low EMI
Low Power Dissipation (0.5 W Typical, 0.8 W Max)
Description

The TP-Link TL-SM331T (0100000231) is built for network administrators and system integrators looking to integrate copper-based Ethernet connections into SFP-equipped switches, routers, and media converters. Featuring a durable metal enclosure and plug-and-play hot-swappable capability, it delivers enterprise-grade reliability without network downtime during installation.
• Performance / Technology
Operates efficiently across standard commercial temperature and humidity ranges, utilizing low-power circuitry to maintain signal integrity and packet throughput under heavy network loads.
• Design & Ergonomics
Compact, lightweight, and engineered with a secure latch mechanism for effortless insertion and removal from standard SFP transceiver bays.
• Compatibility / Use Cases
The ideal networking accessory for connecting copper backbone lines, extending switch uplinks, and integrating PoE devices or workstations into SFP-based router and switch environments.
• Why This Product Stands Out
Many third-party SFP modules suffer from compatibility issues or overheating when paired with managed enterprise switches. The TP-Link TL-SM331T stands out by offering certified plug-and-play reliability, robust metal shielding, and seamless integration with TP-Link’s Omada ecosystem at an exceptional price point.
Specification
Attribute | Specification |
|---|---|
Model No. / Product Name | TL-SM331T (1000BASE-T RJ45 SFP Module) |
Package Contents | 1000BASE-T RJ45 SFP Module (TL-SM331T) Installation Guide |
Hardware Features | Hot Swappable Support (Yes) |
Dimensions (W × D × H) | 2.7 × 0.5 × 0.5 inches (67.4 × 13.75 × 13.8 mm) |
Standards & Protocols | IEEE 802.3-2002 |
Power Supply | 3.3 V |
Data Rate | 1.25 Gbps |
Port Type | 1× 1000 Mbps RJ45 Port |
Maximum Cable Length | Up to 100 m (Using Cat 5e or above cabling) |
Safety & Emissions | FCC, CE |
Operating Environment | Operating Temperature: 0°C to 70°C (32°F to 158°F) |



































