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Home Product TL-SM311LSB-2KM 1.25G SFP Transceiver | Single-Mode LC 2km | TP-Link Phantom Network Module
TL-SM311LSB-2KM Gigabit single-mode single-fiber SFP optical module

TL-SM311LSB-2KM 1.25G SFP Transceiver | Single-Mode LC 2km | TP-Link Phantom Network Module

TL-SM311LSB SFP module
TP-Link SM311LSB-2KM
2km SFP transceiver
TL-SM311LSB-2KM
TP-Link TL-SM311LSB-2KM SFP transceiver delivers 2km reach for high-speed data transmission. This SM311LSB SFP module ensures reliable connectivity in fiber networks, compatible with SFP interfaces for seamless network expansion.
Categories:Automation
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Product Description

The TP-Link SM311LSB-2KM (TL-SM311LSB SFP module) is a high-performance 2km SFP transceiver designed for reliable fiber-optic communication in industrial and enterprise networks. It features a single LC duplex interface, supporting 1.25Gbps data rates over single-mode fiber with a transmission distance of up to 2 kilometers. Compatible with standard SFP slots, this module operates at 3.3V with a temperature range of 0°C to 70°C, ensuring stability in diverse environments. It integrates digital diagnostics monitoring (DDM) for real-time performance tracking and supports hot-swapping for seamless installation. Key applications include telecommunications, data centers, and industrial automation. The TL-SM311LSB-2KM offers low power consumption and robust signal integrity but is optimized specifically for short-range 2km connectivity. No integrated battery or display is included. This 2km SFP transceiver is ideal for scenarios requiring cost-effective, high-speed fiber links with reliable short to medium-range performance.
Parameter Specification
Model Number TL-SM311LSB-2KM
Device Type SFP Transceiver Module
Compatibility Standards IEEE 802.3, SFF-8472
Transmission Distance Up to 2km
Wavelength 1310nm
Fiber Type Single-Mode (SMF)
Connector Type LC Duplex
Data Rate 1.25Gbps
Power Supply Voltage 3.3V ±10%
Operating Temperature -20℃ to 70℃
Storage Temperature -40℃ to 85℃
Power Consumption <1W
Diagnostic Monitoring Digital Diagnostics Monitoring (DDM)
Application Scenarios Access Layer, Data Center, Enterprise Networks
question:What is the warranty?
answer:The warranty covers defects in materials or workmanship for 12 months from the delivery date, excluding misuse or unauthorized modifications.
question:Can I apply for low-value declaration for shipments?
answer:Yes, low-value declaration is possible for eligible items under the destination country's customs regulations, but requirements vary by region.
question:Why was the product label cut upon receipt?
answer:Labels are removed to prevent resale or unauthorized distribution in specific markets, as per brand protection agreements.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:What is the warranty?
answer:The warranty covers defects in materials or workmanship for 12 months from the delivery date, excluding misuse or unauthorized modifications.
question:Can I apply for low-value declaration for shipments?
answer:Yes, low-value declaration is possible for eligible items under the destination country's customs regulations, but requirements vary by region.
question:Why was the product label cut upon receipt?
answer:Labels are removed to prevent resale or unauthorized distribution in specific markets, as per brand protection agreements.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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