L9-SD5501-80PTI5 optical transceiver delivers reliable optical links across transmission distances up to 80km over 9/125μm SMF, utilizing a 1550nm DFB laser paired with a PIN detector in a standard 1×9 form factor. Powered by a 5V supply and compliant with SONET/SDH protocols at 155Mbps, the module sustains dependable operation across a wide temperature span of -40°C to +85°C.
LINK-PP Part Number
L9-SD5501-80PTI5
Vendor Name
LINK-PP
Form Factor
1x9
Max Data Rate
155Mbps
Wavelength
1550nm
Max Cable Distance
80km
Connector
Duplex SC
Fiber Type
SMF
Transmitter Type
DFB
Receiver Type
PIN
Receiver Sensitivity
<-36dBm
Supply Voltage
5V
Operating Temperature Range
-40 to 85°C
Application
ATM 155Mbps
SONET/SDH
100Mbps Ethernet
Digital Video System
Other Optic Link
Key Features of LINK-PP L9-SD5501-80PTI5 155M 1×9
LINK-PP L9-SD5501-80PTI5 combines a 1550nm optical design with standard 1×9 pin packaging to deliver 155Mbps data transmission over long-span fiber links. This optical transceiver integrates an industry-standard duplex SC receptacle, standard electrical interfaces, and dependable reach capabilities to support classic transport platforms.
LINK-PP L9-SD5501-80PTI5 155M 1×9 Optical Module
This module is fully compliant with the Multi-sourced 1×9 protocol for seamless physical integration into legacy optical system boards. It features (LV)PECL differential data inputs and outputs alongside a reliable (LV)TTL signal detect function for simplified circuit monitoring.
L9-SD5501-80PTI5: 155 Mbps Connectivity for Legacy Telecom Systems
Operating at a standard line rate of 155Mbps, the unit matches the exact framing requirements of SDH STM-1 and SONET OC-3 communication standards. It serves as a dependable drop-in choice for telecom central offices, utility substation transport links, and industrial process networks.
L9-SD5501-80PTI5 Module with 1550nm Wavelength
The internal optical transmitter utilizes the 1550nm optical window to minimize signal attenuation across single-mode glass. This working wavelength allows the light signal to travel through optical path splits and splices with very low fiber loss.
A high-margin optical power budget enables continuous data transport across spans of up to 80km on standard 9/125μm SMF. It bridges remote nodes directly without the need for intermediate optical repeaters or signal regeneration hardware.
L9-SD5501-80PTI5 Module with Duplex SC Interface
The duplex SC interface offers a stable and secure connection that prevents fiber cables from accidentally coming loose. It ensures accurate fiber alignment with standard patch cords to keep optical loss low and maintain stable signal quality.
LINK-PP L9-SD5501-80PTI5 155M 1×9 Certification
LINK-PP L9-SD5501-80PTI5 1×9 optical transceiver complies with strict international standards, holding ISO 9001, CE, RoHS, and FCC certifications to ensure safety, environmental compliance, and reliable operation.
Every 155M 1×9 transceiver undergoes rigorous optical and electrical testing to guarantee stable signal transmission before leaving the factory.
L9-SD5501-80PTI5 Quality Certifications
Official regulatory approvals verify that the module meets all required industry benchmarks for electromagnetic compatibility and hazardous substance restrictions.
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.
Standard Multi-Vendor PCB Footprint Compatibility
The classic 1×9 pin layout matches standard circuit board designs, allowing easy drop-in replacement across equipment from different manufacturers.
Rigorous Testing Ensures Reliable 1×9 Performance
Every module undergoes comprehensive performance evaluations to verify optical precision, stable data transmission, and environmental resilience. Learn more about our testing procedures at the LINK-PP Test Support Center.
Optical Spectrum Test
Verify central wavelength precision to prevent optical signal distortion.
Eye Pattern Test
Measure transmitter signal quality to ensure clear waveform output.
Bit Error Rate Test
Evaluate data transmission integrity to eliminate dropped network packets.
Temperature Test
Check operating stability across extreme heat and cold conditions.
Product Shipping for LINK-PP L9-SD5501-80PTI5 155M 1×9
Every 155M 1×9 transceiver order is carefully packed and dispatched through dependable logistics channels to ensure complete product safety during transit. Standardized handling processes guarantee that each optical transceiver reaches destinations in perfect condition.
Anti-Static Protective Packaging
Prevent electrostatic damage to sensitive optical parts during routine transit.
Shock-Resistant Transport Protection
Shield delicate transceiver pins and optical ports against external impacts.
Fast Order Processing and Dispatch
Prepare and dispatch orders rapidly to minimize total delivery time.
Global Logistics and International Delivery
Ship products worldwide through dependable international carriers.
Align the 1×9 optical transceiver pins with the system board, solder them firmly, and insert duplex SC connectors into the optical ports. Operating seamlessly within legacy telecom systems, this module sustains continuous 155Mbps transport for older SONET OC-3 and SDH STM-1 transmission racks.
L9-SD5501-80PTI5 Technical Support
LINK-PP offers end-to-end technical support, from pre-sales consultation to post-deployment assistance, ensuring smooth integration and reliable network performance.
Pre-Sales Technical Consultation
Professional guidance to help you select the optimal L9-SD5501-80PTI5 module for your network design and application needs.
Compatibility Verification Support
Validated compatibility with LINK-PP switches and other mainstream networking platforms for seamless deployment.
Deployment & Installation Assistance
Comprehensive step-by-step guidance for installation, configuration, and initial setup, ensuring accurate deployment and reliable, stable operation from the start.
Long-Term Technical Assurance
Ongoing technical support throughout the product lifecycle, delivering long-term stability for enterprise and carrier-grade networks.
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