TP-Link TL-SM311LS | 1000Base-LX SMF Mini GBIC Module for Omada Networks
Upgrade your network with the TP-Link TL-SM311LS 1000Base-LX Mini GBIC module. Designed for single-mode fiber, it supports up to 10km transmission. Perfect for Omada switches and routers.
TP-Link TL-SM311LS Omada is a 1000Base-LX SMF Mini GBIC (SFP) module designed to enable long-distance, high-speed Gigabit Ethernet connections over single-mode fiber (SMF). TP-Link TL-SM311LS It supports transmission distances of up to 20 kilometers using standard single-mode fiber optic cables, making it ideal for long-range network deployment in data centers, campuses, and enterprise networks.
This module is compact and hot-pluggable, which ensures easy installation and flexibility for network upgrades. It features LC duplex connectors for efficient data transmission and complies with the IEEE 802.3z 1000Base-LX standard for maximum compatibility with TP-Link and other SFP-compatible devices such as switches and routers.

TP-Link TL-SM311LS is a Gigabit SFP (Small Form-Factor Pluggable) module engineered for seamless integration into your network. Designed for 1000Base-LX applications, it supports long-distance transmission over single-mode fiber (SMF), reaching distances up to 10km.
This module is part of TP-Link’s Omada ecosystem, ensuring compatibility with switches, routers, and other network devices featuring an SFP slot. Its compact, hot-swappable design simplifies installation and replacement, making it perfect for dynamic and scalable networking environments.
Whether you’re expanding your network in data centers, campuses, or enterprise settings, the TL-SM311LS provides a cost-effective solution for achieving high-speed, stable, and reliable fiber connectivity.
| Brand Name | TP-Link |
| Model Name | TL-SM311LS |
| Dimension(cm) | 5.54 × 1.46 × 1.29 |
| Weight(kg) | 0.06 |
| MEDIA CONVERTER & MODULE | |
|---|---|
| Standards and Protocols | IEEE 802.3z, TCP/IP |
| Wave Length | 1310 nm |
| Dimensions (W*D*H) | 2.2*0.6*0.5 in (55.4*14.6*12.9 mm) |
| Power Supply | 3.3 V |
| Safety & Emission | FCC, CE |
| Cable | Single-Mode Fiber |
| Fiber Type | 9/125 μm Single-Mode |
| Max. Cable Length | 20 KM |
| Data Rate | 1.25 Gbps |
| Port Type | LC Duplex |
| Hardware Features | • DDM • SFP-MSA • Hot Swappable |
| Package Contents | • SFP Module SM311LS (TL-SM311LS) • Installation Guide |
| Environment | Operating Temperature: 0–70 °C (32–158 °F) Storage Temperature: -40–85 °C ( -40–185 °F) Operating Humidity: 10–90% RH, Non-Condensing Storage Humidity: 5–90% RH, Non-Condensing |

























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