TP-Link Omada SM311LS 1Gbps Base-LX SMF MiniGBIC Single-Mode Transceiver Module

TP-Link Omada SM311LS 1Gbps Base-LX SMF MiniGBIC Single-Mode Transceiver Module

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The TP-Link SM311LS is a Gigabit single-mode SFP transceiver designed to extend Gigabit Ethernet connectivity over long-distance fibre optic links. Supporting 1000Base-LX operation over single-mode fibre up to 20 km, it provides reliable, high-performance connectivity for enterprise, campus and service provider networks while remaining fully compatible with TP-Link Omada and JetStream switches.

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Key Features

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• 1000Base-LX Gigabit SFP transceiver.

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• Supports single-mode fibre (SMF).

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• Up to 20 km transmission distance.

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• 1310 nm operating wavelength.

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• LC duplex optical connector.

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• Hot-swappable installation.

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• Digital Diagnostic Monitoring (DDM).

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• Compatible with TP-Link SFP-enabled switches.

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Long-Distance Fibre Connectivity

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The SM311LS supports Gigabit Ethernet transmission over single-mode fibre at distances of up to 20 km, making it suitable for campus networks, enterprise backbones and metropolitan fibre deployments.

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Reliable Optical Performance

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Operating at a 1310 nm wavelength with an LC duplex interface, the transceiver provides stable and efficient optical communication for high-speed network applications.

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Simple Deployment

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The hot-swappable SFP form factor allows installation or replacement without shutting down compatible networking equipment, minimising maintenance downtime.

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Enterprise Network Compatibility

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Designed for TP-Link Omada and JetStream networking equipment, the module is also compatible with standard Gigabit SFP ports supporting 1000Base-LX operation.

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Technical Specifications

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Specification	Details
Brand	TP-Link
Manufacturer Part Number	SM311LS
Product Type	Gigabit SFP Transceiver Module
Ethernet Standard	1000Base-LX
Data Rate	1.25 Gbps
Fibre Type	Single-Mode Fibre (SMF)
Transmission Distance	Up to 20 km
Optical Wavelength	1310 nm
Connector Type	LC Duplex
Form Factor	SFP (Mini-GBIC)
Hot Swappable	Yes
Digital Diagnostic Monitoring (DDM)	Supported
Compatibility	TP-Link Omada and JetStream Switches with Gigabit SFP Slots
Package Contents	1 × TP-Link SM311LS Gigabit Single-Mode SFP Module and Installation Guide
Applications	Enterprise Networks, Campus Networks, Fibre Backbone Links, Metropolitan Networks, Data Centres and Service Provider Deployments

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The TP-Link SM311LS provides reliable Gigabit fibre connectivity with support for single-mode fibre over distances of up to 20 km, making it an ideal SFP transceiver for enterprise and service provider network expansion.

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