The LINK-PP LS-SM314G-40C SFP transceiver supports data rates of up to 4.5Gbps over single-mode fiber (SMF) and reaches distances of up to 40km. Together with its 1310nm wavelength, this transceiver delivers stable, high-performance connectivity.
LINK-PP Part Number
LS-SM314G-40C
Vendor Name
LINK-PP
Form Factor
SFP
Max Data Rate
4.5Gbps
Wavelength
1310nm
Max Cable Distance
40km
Connector
duplex LC
Media
SMF
Transmitter Type
DFB
Receiver Type
PIN
Receiver Sensitivity
< -17.5dBm
DDM/DOM
YES
TX Power
-2 to +4dBm
RX Power
-20 to -1dBm
Operating Temperature Range
0 to 70°C
Protocols
MSA Compliant
Key Features of LINK-PP LS-SM314G-40C 4G SFP
Combining 4.5Gbps data rates over extended distances of up to 40km, the LINK-PP LS-SM314G-40C SFP module also features built-in Digital Optical Monitoring (DOM) for real-time diagnostics and a universal duplex LC interface for effortless, secure connectivity, ideal for dependable long-haul communication.
LINK-PP LS-SM314G-40C 4G SFP Optical Module
Driven by a DFB laser transmitter and PIN photodiode receiver, the LINK-PP LS-SM314G-40C 4G SFP module provides excellent optical performance, accurate signal transmission, and superior thermal stability. It remains highly reliable even in demanding environments.
LS-SM314G-40C: Reliable 4.5Gbps Connectivity for Long-Distance Fibre Networks
Delivering consistent 4.5Gbps throughput over extended distances, the LINK-PP LS-SM314G-40C module eliminates repeaters, cuts infrastructure costs, and provides the bandwidth and reliability for campus, data center, and Fibre Channel SAN applications.
LS-SM314G-40C Module with 1310nm Wavelength
Operating at the industry-standard 1310nm wavelength, this LINK-PP LS-SM314G-40C module reduces attenuation over single-mode fiber to deliver reliable, long-haul data transmission with smooth network performance.
LS-SM314G-40C Module Supporting 40km Transmission
Transmitting data up to 40km over single-mode fiber, the LINK-PP LS-SM314G-40C 4G SFP module delivers long reach without sacrificing speed or signal quality, perfect for MANs, campus backbones, and wide-area connectivity.
LS-SM314G-40C Module with Duplex LC Interface
This LINK-PP LS-SM314G-40C module features a compact duplex LC interface design with separate transmit and receive channels, simplifying cable management while delivering clean, stable optical signals and remaining compatible with standard SMF infrastructure.
LS-SM314G-40C Module with DOM for Real-Time Monitoring
The LINK-PP LS-SM314G-40C module features a built-in DOM that tracks key parameters (temperature, voltage, optical power) in real time, easing network monitoring, maintenance, and troubleshooting.
LINK-PP LS-SM314G-40C 4.25G SFP Certification
Certified by ISO 9001 management systems and compliant with CE, RoHS, and FCC regulations, the LINK-PP module offers strong performance and global operational assurance.
Built for dependable performance, the quality testing program ensures every unit is carefully inspected for consistent results across a wide range of deployment environments.
LS-SM314G-40C Quality Certifications
Backed by global quality certifications, the LINK-PP module delivers the durability, reliability, and confidence that modern networks demand.
This product is in conformity with ISO9001. This system is valid to a company engaging in development, production and supply service of fiber optical products. Please contact us to learn more.
ISO/IEC 27001 is an international standard for managing and processing information security. This standard is jointly developed by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC). It sets out requirements for establishing, implementing, maintaining, and continually improving an information security management system (ISMS). Ensuring the confidentiality, integrity, and availability of organizational information assets, obtaining an ISO 27001 certificate means that the enterprise has passed the audit conducted by a certification body, proving that its information security management system has met the requirements of the international standard. Please contact us to learn more.
This product is in conformity with ISO14001.It is intended for use by an organization seeking to manage its environmental responsibilities in a systematic manner that contributes to the environmental pillar of sustainability. Please contact us to learn more.
ISO 45001 is a global standard that sets out the requirements for an occupational health and safety management system (OH&SMS).
REACH is a European Union regulation concerning the Registration, Evaluation, Authorization and Restriction of Chemicals. It came into force on 1st June 2007 and replaced a number of European Directives and Regulations with a single system. The regulation aims to protect human health and environmental safety, maintain and improve the competitiveness of the EU chemical industry, and develop innovative capabilities for non-toxic and harmless compounds to prevent market fragmentation, increase the transparency of the use of chemicals, promote non-animal experiments, and pursue sustainable social development.Please contact us to learn more.
This product meets the applicable requirements of Directive (EU) 2015/863 of RoHS. It restricts the use of 10 hazardous materials in the manufacture of various types of electronic and electrical equipment: lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers, and four different phthalates. Please contact us to learn more.
This product fully accords with the FCC, which aims to manage the radio wave and magnetic fields more reasonably. Please contact us to learn more.
CB is an international system operated by IECEE. This product is based on IEC standards for testing the safety performance of electrical products. Please contact us to learn more.
This product fully accords with UKCA (UK Conformity Assessed) certificate, which signifies that it meets all relevant quality standards as well as health and safety requirements. Please contact us to learn more.
UL certification is a non-mandatory certification in the United States,mainly testing and certification of product safety performance.Its ultimate purpose is to obtain products with a fairly safe level for the market,and to contribute to ensuring human health and property safety.Please contact us to learn more.
LS-SM314G-40C Certified for Reliable Host-Device Compatibility
Certified interoperability with LINK-PP compatible systems helps ensure smooth deployment, stable transmission, and seamless network integration.
Rigorous Testing Ensures Reliable SFP Performance
Rigorous testing standards are applied to each module to support reliable connectivity and high-quality signal transmission in real-world applications. Explore the LINK-PP Test Support Center for additional information.
Optical Spectrum Test
Verifies wavelength consistency and ensures optical compliance requirements are met.
Eye Pattern Test
Inspects signal waveform performance to reduce distortion and improve clarity.
Bit Error Rate Test
Confirms strong transmission reliability through accurate error detection.
Temperature Test
Checks operational stability under varying environmental temperatures.
Product Shipping for LINK-PP LS-SM314G-40C 4G SFP
Every LINK-PP module is efficiently shipped for instant deployment, backed by reliable logistics solutions that secure product quality and accelerate global fulfillment.
Anti-Static Protective Packaging
Carefully constructed packaging reduces exposure to electrostatic hazards during storage and transportation.
Shock-Resistant Transport Protection
Extra protective design helps safeguard products against external pressure and transport-related impacts.
Fast Order Processing and Dispatch
Well-coordinated order management accelerates processing speed and improves delivery efficiency.
Global Logistics and International Delivery
Extensive logistics partnerships help maintain accurate and on-time deliveries across global markets.
LINK-PP LS-SM314G-40C 4G SFP Usage Demonstration
The LINK-PP LS-SM314G-40C 4G SFP supports high-speed, long-distance optical transmission at up to 4.5Gbps over distances of up to 40 km, making it ideal for Fibre Channel SANs, enterprise WAN links, telecom backbone networks, and data center interconnects. Deploy with confidence, knowing your network has the bandwidth and reach required to scale seamlessly.
LS-SM314G-40C Technical Support
LINK-PP provides professional technical support, including pre-sales consultation, compatibility verification, and post-deployment troubleshooting to ensure smooth network operation.
Pre-Sales Technical Consultation
Professional technical guidance to help customers select the most suitable LS-SM314G-40C modules based on network architecture and application requirements.
Compatibility Verification Support
Compatibility checks and validation to ensure seamless operation with Cisco switches and other supported networking platforms.
Deployment & Installation Assistance
Step-by-step support for installation, configuration, and initial deployment to ensure stable and correct operation.
Long-Term Technical Assurance
Ongoing technical support throughout the product lifecycle to ensure reliable performance in enterprise and carrier-grade networks.
A:
Yes, definitely. With its 40km optical power budget, 1310nm laser, and low signal latency, the LS-SM314G-40C is ideal for connecting geographically separated data centers, SAN fabric extensions, offsite storage replication, and disaster recovery backup links. By
admin on
2026-02-24
A:
Yes, absolutely. The LS-SM314G-40C transceiver is pre-coded with broad OEM compatibility for Brocade, Cisco MDS, Dell, HP, IBM, and NetApp SAN hardware. It functions seamlessly plug-and-play without requiring forced commands or generating vendor warning messages on switch consoles. By
admin on
2025-10-16
A:
This transceiver is designed for single-mode fiber (SMF) with a duplex LC connector. Operating at a 1310nm wavelength, it supports transmission distances of up to 40 kilometers (24.8 miles) over standard OS1/OS2 single-mode fiber infrastructure. By
admin on
2025-01-29
A:
Yes, full DOM/DDM telemetry is integrated according to SFF-8472 standards. Network engineers can view real-time parameters such as optical transmit power, optical receive power, internal transceiver temperature, laser bias current, and supply voltage directly through switch CLI or SAN management tools. By
admin on
2024-10-22
A:
Yes. This module supports multi-rate Fibre Channel standards, including 4.25 Gbps (4GFC), 2.125 Gbps (2GFC), and 1.0625 Gbps (1GFC). It automatically negotiates down to lower speeds when connected to legacy SAN switches, storage HBAs, or tape libraries. By
admin on
2024-01-15
Ideal 4.25Gbps Fibre Channel SFP module for offsite data archiving. Single mode fiber connection synced within two seconds. Excellent hardware build quality from LINK-PP.
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478311
425977
P***n
Italy
Verified
Purchase
5 .0
2026-06-26
Needed legacy 4G FC 1310nm 40km SFP modules for a remote SAN storage extension. Recognized immediately on Dell PowerEdge Fibre Channel HBAs without any console warning messages. :-D
Please write comments with more than three
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478311
425968
E***s
Brazil
Verified
Purchase
5 .0
2026-06-05
Tested across 32km SMF link between campus server rooms. 1310nm laser output level and DDM diagnostic telemetry stayed spot-on under full backup payload. Great cost savings. :D
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character.
478311
425970
L***z
Maldives
Verified
Purchase
5 .0
2026-05-25
Installed 8 of these LS-SM314G-40C transceivers in our Brocade 300 FC switch. Established 4G Fibre Channel link instantly across 18km single mode fiber. DDM telemetry reads crystal clear.
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478311
425967
N***e
Nepal
Verified
Purchase
4 .0
2026-04-17
Good 4G FC SFP module for disaster recovery link over 25km SMF. DOM diagnostics reported accurate laser power on our Brocade switch. Shipping took 6 days instead of 3, but hardware performance is flawless. =)
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478311
425975
A***l
Maldives
Verified
Purchase
5 .0
2026-02-22
Deployed in our enterprise data center for inter-building SAN backup. The 40km optical reach provides plenty of power margin over our 15km dark fiber line =D
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478311
425962
P***n
Maldives
Verified
Purchase
5 .0
2025-12-21
Extremely reliable optics for mission-critical storage networks. Installed these 4G Fibre Channel 1310nm 40km SFP modules into HP SAN switches for offsite database replication. Zero latency overhead, full line rate throughput, and accurate real-time DDM diagnostics via SAN health management dashboards. Very pleased with this purchase. :-)
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478311
425969
J***s
Bangladesh
Verified
Purchase
5 .0
2025-09-13
Flawless performance for long-distance SAN extension. We deployed a pair of these LS-SM314G-40C transceivers to connect two data centers 28km apart over OS2 single mode fiber. Line rate held steady at 4.25 Gbps during full volume SAN array snapshot sync with zero frame drops or CRC errors. DDM readings match our optical power meter perfectly.
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478311
425963
R***s
Lithuania
Verified
Purchase
5 .0
2025-06-10
Great value for enterprise SAN storage administrators. We ran 72-hour continuous BERT testing over a 40km fiber spool using these 1310nm Duplex LC SMF modules. Transmit power stayed steady at +0.5 dBm with excellent receiver sensitivity. No optical link flap or degraded signal issues observed under maximum IOPS workload.
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478311
425976
A***s
Germany
Verified
Purchase
5 .0
2025-04-19
Excellent backward compatibility on legacy Fibre Channel SAN fabrics. We needed 4G FC optics that could negotiate down to 2G and 1G FC for legacy tape library units over 12km SMF. These modules handled rate auto-negotiation seamlessly. Duplex LC optical connectors latch securely with zero signal wobble. =)
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478311
425979
O***s
United States
Verified
Purchase
5 .0
2025-02-17
Replaced overpriced OEM optics with this LINK-PP 4G Fibre Channel transceiver on our Cisco MDS SAN fabric. Low attenuation and reliable optical budget performance. Very satisfied!
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478311
425966
E***s
Bangladesh
Verified
Purchase
5 .0
2025-02-14
Clean optical eye diagram and rock-solid 4.25G line rate stability. DOM capability makes real-time power monitoring very easy in Brocade Network Advisor.
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478311
425974
E***s
Philippines
Verified
Purchase
5 .0
2025-02-07
Used these Duplex LC SMF transceivers for long-haul storage replication. Backward compatible with 2G/1G FC legacy speed settings on HP StorageWorks fabrics. Works like a charm ;)
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478311
425973
I***z
Cambodia
Verified
Purchase
5 .0
2025-01-23
Outstanding drop-in replacement for expensive OEM 4G Fibre Channel SFP modules. Verified compatibility on Cisco MDS 9200 series and Brocade 5100 switches in our lab. Switch CLI recognized EEPROM data instantly with full vendor string details. Operating temperature stayed cool at 34°C inside high-density storage director chassis. Highly recommended for SAN admins. :-D
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478311
425982
A***z
Brazil
Verified
Purchase
5 .0
2024-08-10
We purchased 16 units for a municipal infrastructure disaster recovery backup project over 35km dark fiber lines. The 1310nm FP/DFB laser transmitter provides a clean optical budget with ample margin. DDM diagnostic monitoring reports real-time laser bias and RX optical power straight to our SNMP manager. Link-PP quality is top notch across the entire batch.
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478311
425978
Z***z
United States
Verified
Purchase
5 .0
2024-06-10
Perfect for inter-site Fibre Channel storage array mirroring. Our NetApp SAN controllers picked up these transceivers immediately upon insertion. The 40km reach capability easily overcomes insertion losses across multiple fiber patch panels and splicing points along our 20km metro fiber ring. DOM monitoring functions reliably.
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478311
425965
H***a
Italy
Verified
Purchase
4 .0
2024-01-07
Solid 1310nm 40km transceiver for SAN replication between two data centers. Plugged right into Cisco MDS 9148. Box arrived slightly dented on arrival, but the optical modules were completely undamaged in ESD bags.
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