LS-BL49552G-A2C serves as a long-range 2.5G BiDi SFP optical transceiver that handles single-mode fiber transmissions up to 120km via 1490nm-TX/1550nm-RX wavelengths, engineered to operate seamlessly between 0 and +70°C while offering real-time Digital Diagnostic Monitoring for precise telemetry.
LINK-PP Part Number
LS-BL49552G-A2C
Vendor Name
LINK-PP
Form Factor
SFP
Max Data Rate
2.5Gbps
Wavelength
1490nm-TX/1550nm-RX
Max Cable Distance
120km
Connector
Simplex LC
Media
SMF
Transmitter Type
DFB
Receiver Type
TIA+APD
TX Power
-2 to +4dBm
RX Power
-23 to -1dBm
Receiver Sensitivity
-27dBm
DOM Support
Yes
Operating Temperature Range
0 to 70°C
Protocols
Fast Ethernet, Gigabit Fibre Channel, MSA Compliant
Key Features of LINK-PP LS-BL49552G-A2C 2.5G SFP
LINK-PP LS-BL49552G-A2C combines long-distance capabilities, reliable data rates, and real-time monitoring into a single-mode optical transceiver. This compact module operates over a simplex optical interface to maximize fiber efficiency while maintaining stable diagnostic feedback. It provides a robust, cost-effective solution for extending network reach across long-range transport infrastructures.
LINK-PP LS-BL49552G-A2C 2.5G SFP Optical Module
This transceiver features a hot-pluggable SFP footprint that allows for quick installation and maintenance without powering down the host system. It integrates a 1490nm DFB laser paired with a highly sensitive Super TIA and APD photo detector. Together, these internal components guarantee excellent signal integrity and reliable optical receive sensitivity over long-haul paths.
LS-BL49552G-A2C: 2.5 Gbps Connectivity for SONET Infrastructure
Delivering data transfer rates up to 2.5Gbps, this module supports the strict bandwidth requirements of telecommunication networks. It is an ideal fit for critical SONET and SDH infrastructure, specifically aligning with OC-48 and STM-16 transport standards. This ensures smooth, reliable data transmission across core metropolitan and carrier networks.
LS-BL49552G-A2C Module with 1490nm-TX/1550nm-RX Wavelength
By operating on bidirectional wavelengths of 1490nm for transmitting and 1550nm for receiving, this transceiver enables efficient two-way communication over a single strand of fiber. This BiDi design allows network operators to double their existing fiber capacity without laying new cables. The specific wavelengths ensure minimal signal interference during simultaneous transmission and reception.
Engineered for ultra-long-distance spans, this module easily reaches transmission distances up to 120km over single-mode fiber. It provides the necessary optical power budget to connect distant data nodes without requiring intermediate signal amplification. This makes it a highly efficient solution for spanning massive distances between remote regional hubs.
LS-BL49552G-A2C Module with Simplex LC Interface
Equipped with a standardized simplex LC connector, the module ensures secure and straightforward physical fiber connections. This single-port design reduces patch cable clutter in dense networking racks and simplifies overall cable management. It also minimizes connection loss, ensuring a stable and clean optical pathway.
LS-BL49552G-A2C Module with DDM for Real-Time Monitoring
The built-in Digital Optical Monitoring feature provides network administrators with real-time access to critical operating parameters. It continuously tracks internal metrics such as transceiver temperature, laser bias current, supply voltage, and optical power levels. This proactive telemetry helps detect potential link anomalies early to prevent unexpected network downtime.
LINK-PP LS-BL49552G-A2C 2.5G SFP Certification
LINK-PP LS-BL49552G-A2C complies with strict international standards, holding certifications including ISO 9001, CE, RoHS, and FCC to ensure global regulatory compliance and safety.
Every transceiver undergoes rigorous hardware validation and optical performance checks to guarantee stable operation before shipment.
LS-BL49552G-A2C Quality Certifications
These industry credentials verify that the module meets strict environmental, electromagnetic, and manufacturing requirements.
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-BL49552G-A2C Certified for Reliable Host-Device Compatibility
Extensive multi-vendor interoperability checks ensure this module integrates seamlessly into your existing switch and router platforms without link errors.
Rigorous Testing Ensures Reliable SFP Performance
All LINK-PP SFP optical transceivers undergo strict technical validation to ensure flawless network link stability, and you can explore the details at the LINK-PP Test Support Center.
Optical Spectrum Test
Assess central wavelength precision alongside side-mode suppression.
Eye Pattern Test
Evaluate optical waveform symmetry to prevent data distortion.
Bit Error Rate Test
Ensure error-free packet delivery over maximum fiber spans.
Temperature Test
Verify reliable operation through wide thermal operating ranges.
Product Shipping for LINK-PP LS-BL49552G-A2C 2.5G SFP
We secure your orders with protective packing for secure, timely transit. All global shipments follow strict handling workflows.
Anti-Static Protective Packaging
Shield vulnerable internal circuits from electrostatic damage during transit.
Shock-Resistant Transport Protection
Protect delicate optical components from physical transit vibrations.
Fast Order Processing and Dispatch
Accelerate shipment preparation to minimize customer warehouse waiting times.
Global Logistics and International Delivery
Coordinate major carrier routes to ensure smooth transborder customs clearance.
Simply plug this LS-BL49552G-A2C 2.5G hot-swappable optical module into any standard SFP port and connect a simplex LC fiber cable to instantly establish long-haul links. It is widely deployed across metropolitan networks, enterprise backbones, and SONET infrastructure to maximize fiber capacity while extending telecom reach up to 120km.
LS-BL49552G-A2C 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 LS-BL49552G-A2C 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.
A:
You will need the complementary 2.5G 120km BiDi SFP module configured with 1550nm-TX / 1490nm-RX to complete the single-strand link. By
admin on
2025-09-24
Reliable hardware performance and clean signal-to-noise ratio over long-distance single-mode links. The optics running temperature sits comfortably around 38°C in standard server room racks. Good price-to-performance ratio for commercial deployment.
Please write comments with more than three
character.
494435
395908
B***l
United States
Verified
Purchase
5 .0
2026-06-08
Upgrading our regional transport links from 1G to 2.5G required reliable BiDi transceivers capable of handling 120km distances on single-mode fiber. The 1490nm-TX / 1550nm-RX optical budget on these modules easily bridged our longest unamplified span. Line-rate packet capture confirmed zero frame loss or jitter during peak traffic hours. Furthermore, thermal characteristics stay well within the 0°C to 70°C commercial operating range in our climate-controlled headend station. A cost-effective, engineering-grade optical module for carrier-grade and enterprise networks.
Please write comments with more than three
character.
494435
395905
M***r
Cambodia
Verified
Purchase
5 .0
2026-05-18
The APD photo detector really shines on our 100km dark fiber links—we're getting clean RX power readings even at the edge of the 120km spec. Hot-pluggable design saved us downtime during the swap from our old 1G optics.
Please write comments with more than three
character.
494435
395888
Z***y
United Arab Emirates
Verified
Purchase
5 .0
2026-04-11
We tested these on a 105km leased fiber pair between two colos for our router/server interconnect. The 120km SMF transmission spec isn't marketing fluff — we measured -19dBm RX on clean fiber with no amplifiers. The SFP MSA compliance means our multi-vendor switch environment recognizes them instantly, and the SFF-8472 DDM data integrates seamlessly with our monitoring stack. The 1490nm DFB laser shows minimal wavelength drift even over day/night temperature cycles. We paired these with the 1550-TX/1490-RX variant on the far end, and the link trained at 2.5G full duplex immediately.
Please write comments with more than three
character.
494435
395903
P***r
Morocco
Verified
Purchase
5 .0
2026-03-14
The real-time Digital Diagnostic Monitoring is a game-changer for our remote site maintenance — we can track TX bias and RX power without sending a technician onsite. Works great with our SNMP monitoring tools.
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character.
494435
395885
T***r
Nepal
Verified
Purchase
5 .0
2026-02-10
Upgraded our point-to-point wireless backhaul aggregation to 2.5G optical fiber. Utilizing single-mode single-strand fiber saved us from deploying additional cable runs. Signal stability at 1490nm TX is rock solid, and power consumption remains minimal inside our distribution room.
Please write comments with more than three
character.
494435
395900
J***l
Denmark
Verified
Purchase
5 .0
2026-01-18
The 2.5Gbps bit rate is perfect for our fiber backbone upgrade, and the hot-pluggable SFP footprint made installation a breeze. The 1490nm DFB laser paired with the APD detector gives us solid 120km reach on our SMF runs without any signal loss.
Please write comments with more than three
character.
494435
395886
D***t
Germany
Verified
Purchase
4 .0
2025-12-20
Product hardware and 2.5G 120km optical specifications are completely spot on. However, local courier delivery was delayed by 48 hours due to regional holiday shipping backlogs. Once installed, the module linked up instantly without issues.
Please write comments with more than three
character.
494435
395907
V***d
Bangladesh
Verified
Purchase
5 .0
2025-12-12
We integrated 24 units into our SDH STM-16 backbone to replace aging 1G optics. The 2.5Gbps bit rate handles our increased traffic load perfectly, and the 1490nm DFB laser shows excellent wavelength stability over our 95km SMF runs. The APD photo detector delivers consistent RX power around -21dBm, well within spec. Real-time DDM via SFF-8472 lets us monitor TX bias current and optical power directly through our NMS, which is critical for SLA reporting. The single +3.3V power supply keeps power draw low in our dense chassis. After 60 days, zero errors or link drops.
Please write comments with more than three
character.
494435
395901
O***n
Libyan Arab Jamahiriya
Verified
Purchase
5 .0
2025-11-05
We tested these on our SONET OC-48 system and the 1490nm DFB laser stability is noticeable. The single-fiber BiDi design cut our fiber count in half for our campus-wide deployment.
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character.
494435
395890
A***s
Argentina
Verified
Purchase
5 .0
2025-10-01
Deploying long-range optics always carries risk regarding signal attenuation and switch port compatibility. These 2.5G 120km BiDi SFP modules passed all our deployment checks with flying colors. We monitored optical power budgets across a 110km dark fiber leased circuit: launch power sat cleanly at +2.5dBm, and received power settled at -20dBm, well above receiver sensitivity limits. The DDM implementation operates cleanly, reporting voltage, temperature, and optical levels directly to our monitoring framework without requiring auxiliary driver installations. Perfect choice for enterprise backbone expansion.
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character.
494435
395904
R***y
Macao
Verified
Purchase
5 .0
2025-09-26
The Simplex LC receptacle is ideal for our space-constrained fiber panels, and the 120km SMF transmission spec gives us plenty of headroom on our 100km links. The RoHS compliance was a key requirement for our EU-based clients.
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character.
494435
395883
K***l
Belarus
Verified
Purchase
5 .0
2025-08-21
We deployed these in our SDH STM-16 network and they work flawlessly with the single +3.3V power supply. The real-time DDM feature lets us monitor optical power and temperature directly from our switch dashboard, which is super convenient.
Please write comments with more than three
character.
494435
395887
S***y
Maldives
Verified
Purchase
5 .0
2025-07-02
We run these in our 2x Fiber Channel SAN and the APD detector handles our 90km fiber runs without needing amplifiers. The hot-pluggable SFP footprint made it easy to swap in these modules without powering down our core switches.
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character.
494435
395899
L***t
Brunei Darussalam
Verified
Purchase
5 .0
2025-06-04
For our 2x Fiber Channel setup, these modules deliver consistent performance over 80km of single-mode fiber. The Simplex LC receptacle fits our existing patch panels perfectly, and RoHS compliance was a must for our procurement team.
Please write comments with more than three
character.
494435
395893
W***s
Iran, Islamic Republic of
Verified
Purchase
5 .0
2025-05-27
We needed 2.5G for our disaster recovery SAN and these modules nailed it. The hot-pluggable SFP footprint made installation trivial — no downtime during the swap. On 110km of OS2 fiber, the APD detector pulls in -18dBm RX power cleanly, and the DFB laser TX stays steady at +2dBm. The Simplex LC receptacle fits our existing fiber infrastructure perfectly, and RoHS compliance was required for our EU data center. The 0 to +70°C operating temp is fine for our climate-controlled MDFs. DDM polling via SNMP shows no drift over 3 weeks.
Please write comments with more than three
character.
494435
395884
N***s
Lithuania
Verified
Purchase
5 .0
2025-04-16
Using these in our router/server interface for a data center interconnect, the SFP MSA compliance means no vendor lock-in headaches. The 0 to +70°C operating case temperature is fine for our climate-controlled racks, and DDM data is accurate.
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