The Dahua GSFP-1310R-20-SMF Compatible LINK-PP module is a 1.25 Gbps BiDi optical transceiver designed to transmit data over distances of up to 20 kilometers. It operates using a 1550nm transmit and 1310nm receive wavelength pairing, enabling efficient bidirectional communication over a single fiber strand.
Dahua Part Number
GSFP-1310R-20-SMF
Vendor Name
LINK-PP
Form Factor
SFP
Max Data Rate
1.25Gbps
Wavelength
1550nm-TX/1310nm-RX
Max Cable Distance
20km
Connector
Simplex LC
Media
SMF
Transmitter Type
DFB BiDi
Receiver Type
PIN
TX Power
-9 to 0dBm
RX Power
-23 to -1dBm
Receiver Sensitivity
<-23dBm
Receiver Overload
-1dBm
Operating Temperature Range
-40 to 85°C
Protocols
Fast Ethernet, Gigabit Fibre Channel, MSA Compliant
Key Features of Dahua GSFP-1310R-20-SMF Compatible LINK-PP 1.25G SFP
With the Dahua GSFP-1310R-20-SMF Compatible LINK-PP, you can achieve dependable medium-range connectivity. Built for industrial environments, this BiDi optical module supports data rates up to 1.25 Gbps across distances of up to 20 km. Its single-fiber, full-duplex capability reduces infrastructure requirements while ensuring consistent and long-lasting performance even under demanding conditions.
Featuring a high-performance DFB laser and a PIN receiver, the Dahua GSFP-1310R-20-SMF Compatible LINK-PP optical module ensures precise wavelength alignment between transmission and reception. This allows for efficient bidirectional transmission over a single cable while preserving high optical stability and signal quality.
GSFP-1310R-20-SMF: Reliable 1.25 Gbps Connectivity for Efficient Gigabit Connectivity
Offering stable 1.25 Gbps performance, the Dahua GSFP-1310R-20-SMF Compatible LINK-PP BiDi SFP module is ideal for Gigabit Ethernet and fiber channels. It supports stable data transfer, reduced latency, and improved network efficiency across enterprise, telecom, and industrial networks.
GSFP-1310R-20-SMF Module with 1550nm-TX/1310nm-RX Wavelength
Featuring a 1550 nm transmit and 1310 nm receive wavelength combination, this Dahua GSFP-1310R-20-SMF Compatible LINK-PP BiDi SFP module makes efficient bidirectional communication possible through just one fiber.
With a transmission distance of up to 20 km under standard conditions, this Dahua GSFP-1310R-20-SMF Compatible LINK-PP 1G BiDi SFP module is built for long-range reliability, perfect for campus networks, industrial systems, and metropolitan access connections.
GSFP-1310R-20-SMF Module with Simplex LC Interface
By integrating both transmit and receive functions into a single simplex LC port, this Dahua GSFP-1310R-20-SMF Compatible LINK-PP 1G BiDi SFP module minimizes fiber usage and streamlines cable management, resulting in a cleaner installation and lower infrastructure costs.
GSFP-1310R-20-SMF Module with DOM for Real-Time Monitoring
The built-in Digital Optical Monitoring (DOM) enhances network reliability through continuous supervision of key optical and electrical parameters.
Extensive testing procedures ensure robust and stable module performance.
GSFP-1310R-20-SMF Quality Certifications
Developed in line with international standards for reliability and compliance.
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.
GSFP-1310R-20-SMF Certified for Reliable Host-Device Compatibility
Fully tested with LINK-PP systems to ensure consistent compatibility.
Rigorous Testing Ensures Reliable SFP Performance
Each module is thoroughly checked to maintain high signal fidelity. Explore more at the LINK-PP Test Support Center.
Optical Spectrum Test
Optical spectrum testing ensures accurate wavelength performance and compliance with required optical standards.
Eye Pattern Test
Eye pattern testing validates signal waveform clarity for stable and reliable data transmission.
Bit Error Rate Test
Bit error rate testing confirms low error levels for reliable data integrity and transmission accuracy.
Temperature Test
Temperature testing verifies stable module performance across a wide operating temperature range.
Product Shipping for Dahua GSFP-1310R-20-SMF Compatible LINK-PP 1.25G SFP
Timely, secure international delivery for each LINK-PP optical module is handled by experienced logistics partners.
Anti-Static Protective Packaging
Static-resistant packaging ensures the safety of sensitive electronics and their optimal performance.
Shock-Resistant Transport Protection
Reinforced packaging solutions protect products from shocks and handling stress.
Fast Order Processing and Dispatch
Quick dispatch services enable a faster turnaround.
Global Logistics and International Delivery
International delivery services provide secure and timely shipment worldwide.
Ideal for fiber-constrained environments, this Dahua GSFP-1310R-20-SMF Compatible LINK-PP 1G BiDi SFP module supports efficient single-fiber communication between switches, routers, and media converters across industrial Ethernet networks, fiber-to-the-building (FTTB) setups, and surveillance systems.
GSFP-1310R-20-SMF 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 GSFP-1310R-20-SMF 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 BiDi SFP uses WDM technology to send and receive signals on different wavelengths through a single fiber strand, reducing fiber usage compared with traditional duplex SFP modules. It is ideal for network upgrades where fiber resources are limited. By
admin on
2026-06-26
A:
Yes. This module supports OEM-compatible coding options for many major networking platforms. Please select the correct compatibility version when ordering to ensure seamless integration with your switch or router. By
admin on
2025-12-30
A:
Yes. LS-BL55311G-20I is an industrial-grade optical transceiver designed for demanding environments. Its wide operating temperature range, DOM/DDM monitoring, and stable 1Gbps transmission make it suitable for outdoor cabinets, industrial networks, telecom access, and remote fiber deployments. By
admin on
2025-11-18
A:
Yes. LS-BL55311G-20I is a 1G BiDi SFP transceiver designed for up to 20km transmission over single-mode fiber (SMF). It uses a simplex LC interface with 1550nm-TX and 1310nm-RX WDM technology to transmit and receive data through one fiber strand. By
admin on
2025-06-16
Bought these for a base station backhaul upgrade. The 1550nm transmit and 1310nm receive wavelength combination matched our existing BiDi fiber design perfectly.
Please write comments with more than three
character.
494855
399937
Z***s
New Zealand
Verified
Purchase
5 .0
2025-08-22
We use these 1G BiDi SFP 20km modules for connecting remote buildings in our enterprise network. The simplex LC fiber design helped reduce cabling costs, and the optical performance has been stable since installation.
Please write comments with more than three
character.
494855
399943
R***s
Singapore
Verified
Purchase
5 .0
2025-07-23
Our company needed simplex LC 1G BiDi SFP modules for a building-to-building connection. These 20km SMF optics delivered stable performance with our existing switches.
Please write comments with more than three
character.
494855
399938
D***r
United Kingdom
Verified
Purchase
5 .0
2025-04-17
We used LS-BL55311G-20I for a campus fiber expansion project. The 1G BiDi SFP 20km transmission works perfectly over our existing single-mode fiber, and DOM monitoring helps our team track signal health remotely.
Please write comments with more than three
character.
494855
399930
A***s
Singapore
Verified
Purchase
5 .0
2025-03-26
Great option for outdoor cabinets and remote access networks. The industrial temperature range gives us extra confidence compared with standard commercial SFP modules.
Please write comments with more than three
character.
494855
399935
A***h
Sweden
Verified
Purchase
5 .0
2025-01-07
Our technicians tested this 1000BASE-BX20 compatible SFP with multiple OEM switches before deployment. Compatibility was excellent and the fiber links came online immediately.
Please write comments with more than three
character.
494855
399932
P***r
Netherlands
Verified
Purchase
5 .0
2024-12-12
We tested this 1G SFP 20km industrial transceiver in a mixed-brand environment with Cisco and other OEM-compatible equipment. EEPROM coding matched our requirements and deployment was smooth.
Please write comments with more than three
character.
494855
399946
J***t
Maldives
Verified
Purchase
5 .0
2024-02-13
We deployed over 30 units for telecom backhaul applications. The 20km BiDi SFP transceiver provides stable 1Gbps connectivity, and the DDM function makes troubleshooting much easier for our NOC team.
Please write comments with more than three
character.
494855
399945
M***s
Canada
Verified
Purchase
5 .0
2024-01-23
We installed a large batch of LS-BL55311G-20I modules across several locations. The 20km single-mode fiber transmission distance is accurate, DOM readings are useful, and all units have been running without errors.
Singapore · English · SGD
