TP-Link ISM311LS – Industrial Gigabit SFP Transceiver Module, Single-Mode, LC Duplex, 20 km, Extended Temperature Range

The TP-Link ISM311LS is an industrial-grade SFP (Small Form-factor Pluggable) transceiver module, designed to provide highly reliable Gigabit connections in extreme environmental conditions. Unlike standard commercial modules, the Industrial series is built to withstand significant temperature fluctuations, making it the ideal solution for factories, transport hubs, solar farms or outdoor surveillance systems. With a transmission range of up to 20 kilometres over single-mode fibre, this module ensures data integrity over long distances, where conventional infrastructure fails.

Key Benefits (Selling Points)

• Reliability in Extreme Conditions: Designed to operate within an extended temperature range, from -40°C to 85°C, ensuring network stability regardless of the season or the heat generated in industrial electrical switchboards.

• Long-Distance Gigabit Transmission: Supports the 1000Base-LX standard, offering a speed of 1.25 Gbps over a distance of up to 20 km, facilitating the interconnection of geographically dispersed sites.

• Single-Mode (SM) Technology: Uses a wavelength of 1310 nm on single-mode optical fibre, ensuring minimal signal attenuation and complete immunity to electromagnetic interference (EMI) specific to industrial areas.

• Hot-Pluggable Installation: Allows the module to be fitted or replaced without powering down the switch (hot-swappable), facilitating rapid maintenance and eliminating network downtime.

• Digital Diagnostic Monitoring (DDM): Includes support for DDM (Digital Diagnostic Monitoring) technology, enabling real-time monitoring of critical parameters (temperature, voltage, optical power) directly from the switch interface.

• Durable Metal Housing: Built with a robust metal housing that offers enhanced protection and efficient heat dissipation, essential for continuous 24/7 operation.

Examples of Use

1. Industrial Automation: Connecting industrial switches in production halls where high temperatures and electrical noise would affect standard SFP modules.

2. Transport Infrastructure: Ideal for rail or road networks, where modules are exposed to extreme sub-zero temperatures and constant vibrations in outdoor equipment cabinets.

3. Renewable Energy: Used in wind or solar farms to transmit monitoring data to a control centre located kilometres away.

Technical Specifications

• Model: ISM311LS (Industrial Series)

• Standard: IEEE 802.3z, SFP MSA

• Interface: SFP (Small Form-factor Pluggable)

• Connector Type: LC Duplex

• Data Rate: 1.25 Gbps (Gigabit)

• Wavelength: 1310 nm

• Fibre Type: Single-Mode (9/125 µm)

• Maximum Distance: 20 km

• Operating Temperature: -40°C to 85°C

• Special Features: Hot-swappable, DDM support

Package Contents: 1 x ISM311LS Industrial SFP Transceiver Module, Installation Guide.

Why choose the TP-Link ISM311LS?

When your network leaves the comfort of the office and enters an industrial environment, the ISM311LS is the link that won’t let you down. It is a ‘hardened’ device that transforms fibre optics into a secure data highway, capable of withstanding the harshest weather or industrial conditions. Investing in TP-Link’s industrial technology means eliminating maintenance costs caused by thermal failures.