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The LINK-PP LS-MM854G-S5I is an industrial-grade 4.25G SFP optical transceiver designed for high-speed fiber communications. Operating at an 850nm wavelength over multimode fiber, it supports data rates up to 4.25 Gbps over distances up to 500 meters. Featuring a duplex LC connector, VCSEL laser, PIN receiver, and digital optical monitoring, it operates reliably from -40°C to 85°C.
| LINK-PP Part Number | LS-MM854G-S5I | Vendor Name | LINK-PP |
| Form Factor | SFP | Max Data Rate | 4.25Gbps |
| Wavelength | 850nm | Max Cable Distance | 500m |
| Connector | Duplex LC | Media | MMF |
| Transmitter Type | VCSEL | Receiver Type | PIN |
| Receiver Sensitivity | -15dBm | DOM Support | Yes |
| TX Power | -9 to 0dBm | RX Power | -16 to -1dBm |
| Operating Temperature Range | -40 to 85°C | Protocols | MSA Compliant |
Engineered for demanding industrial environments, this 4.25G SFP module incorporates an advanced 850nm VCSEL transmitter and PIN photodiode. Key capabilities include hot-pluggable insertion, low power consumption, built-in digital diagnostic monitoring (DOM), robust duplex LC connectivity, and seamless operation across an extended industrial operating temperature range.
This high-performance SFP optical transceiver delivers low-latency 4.25G data transmission across short-reach optical links. Combining compact form-factor design with enterprise-class component reliability, it offers an ideal plug-and-play solution for modern high-density networking hardware.
Specifically optimized for Fibre Channel applications, this transceiver provides dependable 4.25G connectivity for Storage Area Network (SAN) switches and storage arrays. It ensures rapid, uncorrupted data transfers required by mission-critical storage infrastructure and server interconnections.
Utilizing an efficient 850nm VCSEL laser source, this optical transceiver achieves superior optical performance and signal consistency over multimode fiber. The 850nm operating wavelength balances power efficiency with high-speed transmission for short-range fiber networks.
Designed for short-haul interconnections, the module supports stable data transmission reaches up to 500 meters over multi-mode optical cables. This transmission capability provides flexible routing options across enterprise data centers, server rooms, and industrial campus networks.
Featuring an industry-standard duplex LC optical connector, this module enables secure fiber patch cable latching and minimal insertion loss. The compact connector design ensures high-density port deployment while facilitating fast, tool-free installation and network maintenance.
Integrated Digital Optical Monitoring (DOM) capabilities provide real-time diagnostic parameters, including laser bias current, optical output power, receiver input power, temperature, and supply voltage. This proactive monitoring simplifies system troubleshooting and prevents network downtime.
This optical module complies with international quality standards, holding certifications including CE, FCC, UKCA, UL, and REACH. These credentials verify strict adherence to safety, electromagnetic compatibility, and environmental compliance.
Every transceiver undergoes a multi-stage quality assurance program to guarantee peak optical performance. Comprehensive testing protocols evaluate functional stability, optical parameters, and signal integrity prior to product shipment.
Fully certified under CE, FCC, UKCA, UL, and REACH frameworks, the transceiver meets stringent global requirements. These certifications ensure reliable operation, user safety, and environmental compliance across industrial deployments.
Designed according to SFP MSA standards, this transceiver guarantees seamless hardware interoperability. It delivers plug-and-play compatibility across diverse SAN switches, routers, media converters, and enterprise host devices.
Stringent manufacturing quality control procedures ensure each optical module delivers low bit error rates, excellent signal clarity, and uninterrupted long-term network performance.
Precision spectral analysis verifies exact 850nm center wavelength accuracy and optimal laser side-mode suppression ratio.
Comprehensive eye pattern testing confirms clean signal waveforms, low jitter, and wide optical extinction margins.
Rigorous bit error rate testing guarantees error-free data transmission and maximum data throughput under load.
Thermal cycling tests validate stable module performance across extreme industrial temperatures from -40°C to 85°C.
All orders are packaged securely and processed efficiently to guarantee safe delivery and flawless condition upon arrival at your facility.
Each module is individually sealed in ESD-safe anti-static packaging for protection.
Custom foam cushioning protects sensitive optical components from impact during transport.
Streamlined warehouse operations enable rapid order verification and swift product dispatch.
Reliable international express shipping ensures prompt global delivery to your location.
Integrating this industrial-grade 4.25G optical module into your network or storage architecture is incredibly straightforward. Simply insert the hot-pluggable SFP transceiver into any standard switch or SAN port, connect your multi-mode LC fiber cable, and instantly experience reliable, high-speed 4.25-Gigabit data transmission even in demanding environments.
LINK-PP provides professional technical support, including pre-sales consultation, compatibility verification, and post-deployment troubleshooting to ensure smooth network operation.
Professional technical guidance to help customers select the most suitable LS-MM854G-S5I modules based on network architecture and application requirements.
Compatibility checks and validation to ensure seamless operation with Cisco switches and other supported networking platforms.
Step-by-step support for installation, configuration, and initial deployment to ensure stable and correct operation.
Ongoing technical support throughout the product lifecycle to ensure reliable performance in enterprise and carrier-grade networks.
LINK-PP provides after-sales support for the smooth deployment and reliable operation of the optical modules.
15-day no-reason return and refund
Free replacement for dead-on-arrival (DOA) or defective items within the initial period
Free repair services for manufacturing defects throughout the warranty period
Warranty exclusions and conditions apply
Compatible | LINK-PP | LINK-PP | LINK-PP | LINK-PP | LINK-PP | LINK-PP |
Data Rate (Max) | 4.25Gbps | 4.25Gbps | 4.25Gbps | 4.25Gbps | 4.25Gbps | 4.25Gbps |
Wavelength | 850nm | 850nm | 1310nm | 1550nm | 1310nm | 850nm |
Connector | Duplex LC | Duplex LC | Duplex LC | LC duplex | Duplex LC | Duplex LC |
Cable Distance (Max) | 500m | 300m | 2km | 40km | 10km | 500m |
Cable Type | MMF | MMF | SMF | SMF | SMF | MMF |
TX Power | -9 to 0dBm | -9 to 0dBm | -8.4 to -1dBm | -2 to +4dBm | -8 to -3dBm | -9 to 0dBm |
Receiver Sensitivity | -16 to -1dBm | -16 to -1dBm | 0dBm | < -17.5dBm | < -18dBm | -16 to -1dBm |
Operating Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | 0 to 70°C |
Form Factor | SFP | SFP | SFP | SFP | SFP | SFP |
Transmitter Type | VCSEL | VCSEL | FP | DFB | DFB | VCSEL |
Receiver Type | PIN | PIN | PIN | PIN | PIN | PIN |
DOM Support | Yes | Yes | ||||
Protocols | MSA Compliant | MSA Compliant | MSA Compliant | MSA Compliant | MSA Compliant | MSA Compliant |
| Pictures | ID# | Description | Price | Stock | Add to Cart |
A: Yes, it is 100% compliant with IEEE 802.3, Fibre Channel protocol standards, and the SFP Multi-Source Agreement (MSA). It also strictly meets RoHS, CE, and FCC global compliance requirements, making it completely safe and legal for regulated enterprise operations. By admin
Q: Which type of fiber cable is required to achieve the max distance with this 850nm module? By J***z
A: This transceiver is designed exclusively for Multi-Mode Fiber (MMF). It features a standard Duplex LC optical interface, allowing you to easily achieve up to a 500m transmission distance over standard OM2, OM3, or OM4 LC-to-LC fiber patch cables. By admin
A: This Industrial SFP module is specifically engineered for harsh environments, supporting a wide operating temperature range from -40°C to 85°C (-40°F to 185°F). It guarantees reliable hardware performance and zero link drops even in extreme outdoor base station scenarios. By admin
A: Absolutely. We fully support B2B enterprise procurement and large-scale data center deployments. Please contact our sales team directly, and we’ll provide a customized wholesale quote to help you manage your IT procurement budget efficiently. By admin
A: Yes! Our 4.25G SFP Fibre Channel modules are strictly coded and tested for multi-brand interoperability. They fully comply with SFP MSA standards and work seamlessly across Cisco, Juniper, Arista, and other major platforms without vendor lock-in warnings or port shutdown issues. By admin
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