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TP-Link Omada 1000BASE-LX SMF Mini GBIC Module SM311LS
TP-Link·MPN: SM311LS

TP-Link Omada 1000BASE-LX SMF Mini GBIC Module SM311LS

The TP-Link Omada 1000BASE-LX SMF Mini GBIC Module, model SM311LS, extends fiber optic network connections up to 20 kilometers, providing essential long-distance data transmission for business infrastructure.

  • Extended Reach: Transmits data up to 20 km over single-mode fiber, enabling connectivity across large campuses or between distant buildings.
  • Real-time Monitoring: Digital Diagnostic Monitoring (DDM) provides critical insights into module performance, allowing proactive issue resolution and maintaining uptime.
  • Universal Compatibility: Adheres to SFP Multi-Source Agreement (MSA) standards, ensuring broad interoperability with various networking equipment.
  • Hot-Swappable Design: Supports hot-plug and hot-swap functionality, allowing module replacement without disrupting network operations or requiring system reboots.
$21.90
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Manufacturer Warranty Included

Product Overview

The TP-Link Omada SM311LS is a 1000BASE-LX SFP (mini-GBIC) fiber module engineered for single-mode fiber (SMF) connections, supporting data transfer rates up to 1250 Mbit/s over distances of 20,000 meters at a 1310 nm wavelength. This module provides a robust solution for extending network reach beyond standard copper limitations.

Designed for seamless integration into managed and smart switches, the SM311LS features Digital Diagnostic Monitoring (DDM) for real-time performance insights and is hot-swappable, ensuring minimal network disruption during maintenance or upgrades. Its MSA compliance guarantees broad compatibility within diverse network environments.

  • Core Functionality: Extends Gigabit Ethernet connections over single-mode fiber up to 20 km, facilitating long-distance network segments for campus or multi-building deployments.
  • Reliable Performance: Delivers a maximum data transfer rate of 1250 Mbit/s, ensuring high-speed and consistent data flow for critical business applications.
  • Proactive Management: Digital Diagnostic Monitoring (DDM) provides real-time visibility into module health and performance, enabling IT teams to anticipate and address potential issues before they impact operations.
  • Flexible Deployment: Hot-plug and hot-swap support allows for module installation or replacement without requiring a network shutdown, preserving uptime and reducing maintenance windows.
  • Operational Value: Offers a cost-effective solution for extending network infrastructure with high reliability, reducing the need for expensive repeaters and simplifying long-term network planning.

This TP-Link Omada SFP module is an essential component for businesses seeking to establish or expand resilient, high-performance fiber optic network links.

Technical Specifications

1Performance & Business Impact
SFP Transceiver TypeFiber optic
Maximum Data Transfer Rate1250 Mbit/s
Maximum Transfer Distance20,000 m (20 km)
Wavelength1310 nm
Digital Diagnostics Monitoring (DDM)Yes
Hot-Swap SupportYes
2Connectivity & I/O
Interface Typemini-GBIC (SFP)
Fiber Optic ConnectorLC
Single-Mode Fiber (SMF) SupportedYes
Fiber Cable Diameters Supported9/125 µm
Networking StandardsIEEE 802.3z
3Physical & Environmental
Dimensions (W x D x H)55.4 x 14.6 x 12.9 mm / 2.18 x 0.57 x 0.51 inches
Product ColorSilver
Operating Temperature0 - 70 °C (32 - 158 °F)
Operating Relative Humidity10 - 90% (non-condensing)
4Lifecycle, Warranty & Compliance
WarrantyLimited Lifetime (Estimated)
In-Box Contents1x TP-Link SM311LS Module, Manual
Compliance CertificatesCE, FCC
Hot-Plug SupportYes

Full Specifications

Manufacturer Data
Power1
Input voltage3.3 V
Performance13
SFP transceiver typeFiber optic
Maximum data transfer rate1250 Mbit/s
Interface typemini-GBIC
Single-mode fiber (SMF) supportedYes
Fiber optic connectorLC
Fiber cable diameters supported (core/cladding)9/125 µm
SFP transceiver standardLX
Maximum transfer distance20000 m
Wavelength1310 nm
Networking standardsIEEE 802.3z
Fiber ethernet cabling technology1000BASE
Duplex systemFull
Digital Diagnostics Monitoring (DDM)Yes
Features4
Product colourSilver
Hot-Plug supportYes
Hot-swapYes
Brand compatibilityMSA Compliant
Weight & dimensions3
Width55.4 mm
Depth14.6 mm
Height12.9 mm
Certificates1
Compliance certificatesCE, Federal Communications Commission (FCC)
Packaging content2
Quantity per pack1 pc(s)
ManualYes
Operational conditions1
Operating temperature (T-T)0 - 70 °C
Packaging data1
Package width38 mm
Downloads1
Product Datasheet351 KB
Download

What This Solves

Extending Campus Network Links

For organizations with multiple buildings or a large campus, this module provides the necessary reach to connect network segments. It ensures high-speed data transfer between physically separated locations without signal degradation.

Educational institutions, corporate campuses, healthcare systems, industrial facilities

Inter-Cabinet Fiber Connectivity

Within a data center or large server room, this module links network cabinets or distribution frames over fiber optic cable. It supports high-bandwidth connections between core switches and aggregation points.

Data center operators, co-location facilities, enterprise infrastructure teams, network operations centers

Long-Distance WAN Connections

When connecting a main office to a remote branch or a primary data center to a disaster recovery site over a short-haul WAN, this module facilitates the fiber optic backbone. It provides a reliable and secure physical layer for critical business data.

Distributed branch networks, financial services firms, government agencies, logistics companies

Key Features

1000BASE-LX SFP Transceiver Type

Provides a standardized Gigabit Ethernet fiber optic interface, ensuring compatibility and reliable high-speed data transmission across your network.

20 km Maximum Transfer Distance

Extends network reach significantly over single-mode fiber, enabling connectivity for large campuses or geographically dispersed business operations.

1250 Mbit/s Maximum Data Transfer Rate

Supports full Gigabit speeds, preventing network bottlenecks and ensuring efficient data flow for bandwidth-intensive applications.

Digital Diagnostics Monitoring (DDM)

Allows real-time monitoring of module performance, enabling proactive identification and resolution of potential issues to maintain network uptime.

Hot-Plug and Hot-Swap Support

Facilitates module replacement or upgrades without requiring a network shutdown, minimizing service interruptions and maximizing operational continuity.

Compatible With

Managed Network Switches

TP-Link Omada series, Cisco Catalyst, Ubiquiti UniFi, Netgear ProSAFE

Fiber Optic Patch Panels

Standard LC-connector fiber patch panels, fiber distribution frames

Network Interface Cards (NICs)

Server NICs, workstation NICs with SFP ports

Fiber Optic Cabling

9/125 μm Single-Mode Fiber (SMF) with LC connectors

Frequently Asked Questions

What type of fiber cable is compatible with the SM311LS module?

The SM311LS module is designed for use with 9/125 μm single-mode fiber (SMF) optic cables. It utilizes an LC connector for reliable physical connection.

Can this module be used with non-TP-Link switches?

Yes, the SM311LS module is compliant with the Small Form Pluggable Multi-Source Agreement (SFP-MSA), which means it is generally compatible with other MSA-compliant switches that support 1000BASE-LX SFP transceivers.

What is the maximum distance this module can transmit data?

This module can transmit data up to 20,000 meters (20 kilometers) over single-mode fiber, making it suitable for long-distance network extensions.

What is Digital Diagnostic Monitoring (DDM) and why is it important?

DDM provides real-time monitoring of the SFP module's operating parameters, such as temperature, voltage, and optical power. This capability allows IT staff to proactively detect and diagnose potential issues, ensuring network stability and reducing downtime.

Warranty & Returns

Manufacturer Warranty

Manufacturer warranty applies. Contact Zent Networks for warranty terms specific to this product.

Warranty is provided directly by the manufacturer and covers defects in materials and workmanship under normal use.

Return Policy

Returns subject to manufacturer approval

Hardware returns are governed by the manufacturer's return policy. Some products are non-returnable or subject to restocking fees. Defective items are handled under the manufacturer warranty. Contact Zent Networks before initiating any return.

$21.90