---
product_id: 277486382
title: "Tp-Link Gigabit Sfp Module | 1000Base-Lx Single-Mode Fiber Mini GBic Plug And Play Lc/Upc Interface Up To 10Km Distance (Tl-Sm311Ls)"
brand: "tp-link"
price: "$45.38"
currency: USD
in_stock: true
reviews_count: 5
category: "Tp Link"
url: https://www.desertcart.us/products/277486382-tp-link-gigabit-sfp-module-1000base-lx-single-mode-fiber
store_origin: US
region: United States of America
---

# 1.25Gbps blazing data rate 20km max single-mode fiber reach Plug & Play LC/UPC interface Tp-Link Gigabit Sfp Module | 1000Base-Lx Single-Mode Fiber Mini GBic Plug And Play Lc/Upc Interface Up To 10Km Distance (Tl-Sm311Ls)

**Brand:** tp-link
**Price:** $45.38
**Availability:** ✅ In Stock

## Summary

> 🚀 Power Your Network with Lightning-Fast Fiber Precision!

## Quick Answers

- **What is this?** Tp-Link Gigabit Sfp Module | 1000Base-Lx Single-Mode Fiber Mini GBic Plug And Play Lc/Upc Interface Up To 10Km Distance (Tl-Sm311Ls) by tp-link
- **How much does it cost?** $45.38 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/277486382-tp-link-gigabit-sfp-module-1000base-lx-single-mode-fiber)

## Best For

- tp-link enthusiasts

## Why This Product

- Trusted tp-link brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Seamless Compatibility:** Works flawlessly with all TP-Link SFP ports including JetStream switches and media converters, guaranteeing smooth integration into your existing infrastructure.
- • **Durability Meets Precision:** Equipped with protective dust plugs and engineered for single-mode LC/UPC fiber, this module safeguards your connection quality and longevity.
- • **Effortless Plug & Play Setup:** No complex configurations—just insert the module and instantly boost your network’s fiber capabilities with zero downtime.
- • **Ultra-Long Distance Connectivity:** Extend your network up to 20km with single-mode fiber for seamless, high-speed data transfer across sprawling office campuses or data centers.
- • **Crystal-Clear Full-Duplex Transmission:** Experience simultaneous two-way data flow at 1.25Gbps, ensuring lag-free, high-performance networking for your critical business applications.

## Overview

The TP-Link TL-SM311LS is a single-mode MiniGBIC SFP module delivering 1.25Gbps data rate over distances up to 20km via LC/UPC interfaces. Designed for plug-and-play ease, it supports full-duplex transmission and is compatible with all TP-Link SFP ports, making it an ideal choice for extending high-speed fiber connectivity in professional network environments.

## Description

The TL-SM311 series Fiber Module Cards are introduced for extending transfer distance. Attached to our managed/smart switches, they can extend the distance to several kilometers even tens of kilometers which can basically satisfy the distance requirement of LAN. Users can choose whether and which items to use the fiber modules according to the demand in order to lower cost.

Review: Works great on SOTM SN10G SFP port switch. This is a 1G module. Have purchaed Finisar 1475 which is 10G bandwidth module however SOTM switch cannot support 10g.Users might want to tale note. Sound wise, clear as a whistle no issues so far as am using this TPLINK module daisy chain to another SOTM SN10G. With fibrepro 7" length LCLC os2 .You can buy the whole wide web of modules to try and narrow them down to the best sound for any audiophile given switch but I find that it is a waste of money and time.You are better off playing LPs.However for TIDAL streaming does works fine for me and have tested playing back and forth from a ripped to wave cds 44.1/16bit direct from cocktail x40 thru uab (sotm usb ultra onboard clock) and with Lenovo laptop also with Sotm txusb ultra, TIDAL, the tidal does sound slightly similar but take note though, the decay of the cymbals ended (faster)lesser last note shimmering decay effect. Softer no bite.No air surrounding the cymbals.No idea why?All psu are plixir balance elite .Amps are Belcanto ref500s to Mytek broolyn dac+ and cables kimber ks1021/ pk10 palladian /ks2036/8tc.SR fuaes amd bybees with shakti stones and shakti onlines.SR tranqua bases. Update 1 Now having bought 08 and no issues at all. Only for LC to LC fibres and OS single mode SM single mode. Do not use OM or MM multimode. Do not mix the IN and OUT of the module.Wise choice to go with same module maker/ model nbr.
Review: Excelente

## Features

- Single-Mode MiniGBIC module, Supports full-duplex
- Wave Length: 1310nm. Data Rate: 1.25Gbps. Port Type: LC/UPC
- Max. Cable Length: 12.4miles (20km) for 9/125um Single-Mode Fiber
- Always keep the protective dust plug on the SFP’s optical bores until you are ready to make a connection
- Compatible with all SFP ports on TP-Link product including JetStream switches, and media converter MC220L.Work with MC210CS with single mode fiber connection

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003CFATYW |
| Best Sellers Rank | #8,617 in Computers ( See Top 100 in Computers ) #12 in Network Cards |
| Item model number | TL-SM311LS |
| Language | English, English, English, English, English |
| Manufacturer | TP-Link |
| Product Dimensions | 20.7 x 3.81 x 14.81 cm; 50 g |

## Product Details

- **Brand:** TP-Link
- **Compatible devices:** Desktop, Game Console, Headphone, Keyboard, Laptop, Mouse, Printer, Smartphone, Tablet, Webcam
- **Data link protocol:** Ethernet
- **Data transfer rate:** 1250 Megabits Per Second
- **Hardware interface:** GBIC

## Images

![Tp-Link Gigabit Sfp Module | 1000Base-Lx Single-Mode Fiber Mini GBic Plug And Play Lc/Upc Interface Up To 10Km Distance (Tl-Sm311Ls) - Image 1](https://m.media-amazon.com/images/I/71+2b7gVWUL.jpg)

## Questions & Answers

**Q: Does this lc connector support upc or apc fiber connections.... or both?**
A: This SFP is only for UPC fiber connections.  If you have a APC fiber you need to connect it to, adapters are available to do that.

**Q: Does it support 220v ?**
A: Yes.  The adapter states input voltage 100-240VAC  You will need an adapter if you get the US plug model as mine came with a standard US adapter.

**Q: Is it compatible with a hp j9660a or a dell powerconnect 2724?**
A: I am using this with the MC220L Transceiver converter and it works great.  However you can use this in any switch that has a SFP or SFP+ port.  Both the HP and Dell you stated do have SFP ports so you are good on either.

**Q: Is this module compatible with Netgear Switch?**
A: They are pretty much interchangeable.  I put them in tp-link switches but from what I got at my local fiber optic store is that they are all the same.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***R on 1 December 2021*

Works great on SOTM SN10G SFP port switch. This is a 1G module. Have purchaed Finisar 1475 which is 10G bandwidth module however SOTM switch cannot support 10g.Users might want to tale note. Sound wise, clear as a whistle no issues so far as am using this TPLINK module daisy chain to another SOTM SN10G. With fibrepro 7" length LCLC os2 .You can buy the whole wide web of modules to try and narrow them down to the best sound for any audiophile given switch but I find that it is a waste of money and time.You are better off playing LPs.However for TIDAL streaming does works fine for me and have tested playing back and forth from a ripped to wave cds 44.1/16bit direct from cocktail x40 thru uab (sotm usb ultra onboard clock) and with Lenovo laptop also with Sotm txusb ultra, TIDAL, the tidal does sound slightly similar but take note though, the decay of the cymbals ended (faster)lesser last note shimmering decay effect. Softer no bite.No air surrounding the cymbals.No idea why?All psu are plixir balance elite .Amps are Belcanto ref500s to Mytek broolyn dac+ and cables kimber ks1021/ pk10 palladian /ks2036/8tc.SR fuaes amd bybees with shakti stones and shakti onlines.SR tranqua bases. Update 1 Now having bought 08 and no issues at all. Only for LC to LC fibres and OS single mode SM single mode. Do not use OM or MM multimode. Do not mix the IN and OUT of the module.Wise choice to go with same module maker/ model nbr.

### ⭐⭐⭐⭐⭐ Review
*by L***S on 17 June 2022*

Excelente

### ⭐⭐⭐⭐⭐ Review
*by S***D on 2 July 2021*

Great value for the price. Absolutely no issues and super simple to install and use.

## Frequently Bought Together

- TP-Link Gigabit SFP module | 1000Base-LX Single-mode Fiber Mini GBIC Module | Plug and Play | LC/UPC interface | Up to 10km distance (TL-SM311LS)
- FLYPROFiber- 1M/3ft OS2 Single Mode LC to LC Fiber Patch Cable, SM Singlemode Duplex, SMF Fiber Optic Cable Cord, 1G/10GB, 9/125um, LSZH

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-01-31*