The Generic SFP-622SR-31 Compatible LINK-PP module is a high-performance, cost-effective SFP transceiver designed for multi-mode fiber networks. Operating at a reliable data rate of 622Mbps, this hot-pluggable module features a 850nm VCSEL transmitter and PIN photo detector. It utilizes a single +3.3V power supply and supports comprehensive digital diagnostic monitoring for optimal system maintenance.
Generic Part Number
SFP-622SR-31
Vendor Name
LINK-PP
Form Factor
SFP
Max Data Rate
622Mbps
Wavelength
850nm
Max Cable Distance
550m
Connector
Duplex LC
Media
MMF
Transmitter Type
VCSEL
Receiver Type
PIN
TX Power
-9 to 0dBm
RX Power
-20 to -1dBm
Receiver Sensitivity
-18dBm
DOM Support
Yes
Operating Temperature Range
0 to 70°C
Protocols
MSA Compliant
Key Features of Generic SFP-622SR-31 Compatible LINK-PP 622M SFP
Engineered for ultimate efficiency, this transceiver delivers hot-pluggable SFP footprint compatibility, SFP MSA compliance, and real-time digital diagnostic monitoring. Equipped with a high-quality 850nm VCSEL laser and built-in MCU control unit, it guarantees Class I laser safety while providing exceptionally low-latency data transmission across diverse optical networks.
This versatile SFP optical module provides robust performance for legacy networks, effortlessly supporting Fast Ethernet, SONET OC-12, and other critical 622Mbps optical systems. It serves as a dependable building block for expanding infrastructure seamlessly.
SFP-622SR-31: 622Mbps Connectivity for Short-reach Links
Optimized for short-reach communications, the transceiver ensures smooth 622Mbps data flow across localized hardware links. This specialized focus minimizes signal attenuation, making it ideal for standard enterprise backbones and server rooms.
SFP-622SR-31 Module with 850nm Wavelength
Utilizing a highly efficient 850nm VCSEL laser transmitter combined with a sensitive PIN photodiode, the module guarantees precision performance. This classic short-wavelength setup maximizes power efficiency while delivering superior optical spectrum stability during continuous operation.
SFP-622SR-31 Module Supporting 550m Transmission
Designed to extend your local reach, this multi-mode transceiver breaks physical limitations by achieving up to 550m transmission using standard 50/125µm MMF. It also supports a dependable 300m reach on legacy 62.5/125µm fiber infrastructure.
SFP-622SR-31 Module with Duplex LC Interface
Featuring a standard duplex LC receptacle interface, the module provides a secure, snap-in connection for fiber cables. This industry-standard connector layout ensures low insertion loss, simple optical patching, and excellent physical connection stability.
SFP-622SR-31 Module with DOM for Real-Time Monitoring
With advanced Digital Diagnostic Monitoring (DDM/DOM) via an I2C interface, users gain real-time access to operational parameters. It tracks internal temperature, supply voltage, laser bias, and optical transceive power to prevent link failures.
The module adheres to stringent international guidelines, ensuring safe and eco-friendly hardware deployment. It represents LINK-PP’s commitment to premium industrial engineering and global compliance standards.
Every single transceiver undergoes an intensive hardware testing matrix before leaving the factory. This systematic quality program guarantees that all electrical and optical components function without defect.
SFP-622SR-31 Quality Certifications
Fully compliant with FCC, CE, and RoHS standards, this product meets environmental and electromagnetic safety rules. It also satisfies strict Class I laser safety requirements globally.
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.
SFP-622SR-31 Certified for Reliable Host-Device Compatibility
Built in strict accordance with the SFP Multi-Source Agreement (MSA), this transceiver guarantees seamless plug-and-play compatibility across all major switches, routers, and host network devices.
Rigorous Testing Ensures Reliable SFP Performance
Advanced production-line diagnostics eliminate performance variances, ensuring that each module behaves predictably under intense workloads and demanding network configurations.
Optical Spectrum Test
Verifies that the center wavelength stays within 830nm to 870nm with minimal spectral width.
Eye Pattern Test
Evaluates the optical transmitter signal quality to guarantee clean waveforms and clear data margins.
Bit Error Rate Test
Confirms data integrity at 622Mbps, ensuring a strict bit error rate of ≤ 1×10⁻¹²
Temperature Test
Validates consistent performance across commercial range (0℃ to +70℃).
Product Shipping for Generic SFP-622SR-31 Compatible LINK-PP 622M SFP
Our optimized supply chain ensures your order arrives safely and quickly, backed by protective logistics materials designed for delicate optoelectronic devices.
Anti-Static Protective Packaging
Enclosed in premium ESD shielding bags to protect sensitive internal micro-circuits.
This demonstration shows how easily the hot-pluggable module slides into a live switch port. Upon inserting the duplex LC fiber, the host system reads its DOM data instantly, establishing a secure 622Mbps connection.
SFP-622SR-31 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 SFP-622SR-31 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:
This specific LS-MM8506-S5C model is designed for standard commercial use (0°C to 70°C), which is perfect for indoor server rooms and standard data centers. If you need industrial-grade (-40°C to 85°C) for harsh outdoor environments, please check out our "LS-MM8506-S5I" version! By
admin on
2026-05-19
A:
Good question! To hit the maximum 550m transmission distance, you’ll definitely need standard 50/125µm multimode fiber. If you're running older 62.5/125µm MMF, the duplex LC connector will still adapt flawlessly, but your max stable distance will drop to about 300m. By
admin on
2025-11-21
A:
You bet. This transceiver is specifically optimized for 622Mbps optical networks, fully supporting standard SONET OC-12, Fast Ethernet, and other legacy industry protocols. Plus, the built-in DDM/DOM function helps you monitor the link health in real time! By
admin on
2025-11-05
A:
Yes, it’s strictly MSA compliant! It supports seamless OEM compatibility, so it’s totally plug-and-play with Cisco, Juniper, and most major multi-brand legacy switches. No extra coding or tweaking is needed. By
admin on
2025-05-16
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491472
281204
E***n
United States
Verified
Purchase
5 .0
2026-01-15
Deployed a batch of these 622Mbps multimode SFPs for our legacy SONET OC-12 backhaul. DDM features are spot on for monitoring temp and voltage. Great for 550m campus fiber links!
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491472
281190
J***g
Australia
Verified
Purchase
5 .0
2025-11-20
Replaced some failing optics in an outdoor cabinet with these MSA compliant SFP modules. Though commercial temp, they handle our mild climate fine. The DOM diagnostics saved me hours of troubleshooting.
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491472
281194
C***e
Egypt
Verified
Purchase
5 .0
2024-11-02
Tested the PIN receiver sensitivity on this DDM optical transceiver. Rock solid at 300m on older 62.5/125µm fiber. No TX/RX drops in our 0-70C server room environment. Definitely buying more bulk!
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character.
491472
281173
S***r
Finland
Verified
Purchase
5 .0
2024-08-30
While the product we received is apt, what i am content about is the service right from the order placement where the technical spec and adaptability was checked and confirmed by the experts, to the delivery at the door step and if the product was in goods order. Special thanks to 'Yoeng' for splendid customer service.
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491472
281189
O***n
Hungary
Verified
Purchase
5 .0
2024-08-26
Can't say enough about the quality of Link-pp's customer service and quality products. Shop with confidence. They stand behind their stuff and are always quick, courtious and knowledgable!
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character.
491472
281187
J***r
Sweden
Verified
Purchase
5 .0
2022-04-24
The good price for the Optical Transceiver is the most important reason I purchased here. This was the very thing that I needed plus I saved money by ordering from l-p.com.Thanks. Will recommend you to my friends and family.
Germany · English · EUR
