LS-BL315501-40C integrates real-time Digital Diagnostic Monitoring (DDM) into a 155M SFP BiDi optical transceiver module, achieving reliable 40km single-fiber spans via a 1310nm-TX/1550nm-RX wavelength configuration and a simplex LC interface.
LINK-PP Part Number
LS-BL315501-40C
Vendor Name
LINK-PP
Form Factor
SFP
Max Data Rate
155Mbps
Wavelength
1310nm-TX/1550nm-RX
Max Cable Distance
40km
Connector
Simplex LC
Media
SMF
Transmitter Type
FP
Receiver Type
PIN
TX Power
-8 to -1dBm
RX Power
-32 to -6dBm
Receiver Sensitivity
-32dBm
DOM Support
Yes
Operating Temperature Range
0 to 70°C
Protocols
Fast Ethernet, Gigabit Fibre Channel, MSA Compliant
Key Features of LINK-PP LS-BL315501-40C 155M SFP
LINK-PP LS-BL315501-40C serves as a specialized small form-factor pluggable transceiver designed to optimize single-strand fiber infrastructure. This bi-directional hardware unites a streamlined physical port configuration with extended optical reach to support legacy and access network layouts. Its architecture brings together precise optoelectronic parts and diagnostic functions to secure stable link operation.
LINK-PP LS-BL315501-40C 155M SFP Optical Module
The internal layout incorporates an FP laser transmitter alongside a PIN photo detector receiver for dependable lightwave conversion. This specific hardware pairing maintains clean waveform patterns and handles light sensitivity efficiently across the single-mode glass. It ensures the physical layer remains robust and free from unexpected signal degradation.
LS-BL315501-40C: 155 Mbps Connectivity for Fast Ethernet Backhauls
Operating at a steady data rate of 155Mbps, this module is perfect for Fast Ethernet backhauls and legacy telecom infrastructure. It provides a dependable connection for edge routing devices and regional network nodes that require fixed-rate data streams. The standardized signaling rate allows for smooth integration into existing enterprise platforms.
LS-BL315501-40C Module with 1310nm-TX/1550nm-RX Wavelength
This transceiver uses a 1310nm-TX and 1550nm-RX wavelength pair to separate transmitting and receiving pathways over a single fiber strand. This bi-directional frequency separation eliminates interference and optimizes spectrum efficiency. It allows network operators to double their bandwidth capacity without laying new fiber.
Designed for extended link budgets, this hardware easily bridges distances up to 40km without requiring inline optical amplifiers. It overcomes standard path attenuation, making it ideal for metropolitan access networks and cross-town connections. The strong optical power budget ensures consistent link availability over long single-mode runs.
LS-BL315501-40C Module with Simplex LC Interface
Utilizing a single-port simplex LC receptacle, the unit establishes a tight, low-loss connection with standard fiber connectors. This mechanical interface reduces the patch cable footprint inside crowded termination cabinets and patch panels. It streamlines hardware deployment by cutting the required physical fiber terminations in half.
LS-BL315501-40C Module with DDM for Real-Time Monitoring
The integrated Digital Diagnostic Monitoring framework provides host switches with live telemetry data directly from the optical link. Operators can instantly pull tracking metrics for operational voltage, internal module temperature, and RX/TX power levels. This telemetry simplifies link diagnostics and prevents sudden network downtime through early indicator warnings.
LINK-PP LS-BL315501-40C 155M SFP Certification
LINK-PP LS-BL315501-40C adheres to strict global production and environmental mandates, fully satisfying the criteria for ISO 9001, CE, RoHS, and FCC compliance.
The hardware is subjected to extensive factory validation protocols and bit error rate analysis to guarantee sustained optical stability under continuous workloads.
LS-BL315501-40C Quality Certifications
These official credentials confirm that the module adheres to structural safety baselines and strict electromagnetic radiation limits.
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-BL315501-40C Certified for Reliable Host-Device Compatibility
Engineered with standardized EEPROM coding, the unit interfaces smoothly with diverse commercial switch hardware to prevent system initialization faults.
Rigorous Testing Ensures Reliable SFP Performance
Every optical module undergoes quality checkpoints to guarantee uninterrupted link stability within enterprise ecosystems — discover our complete screening methodologies through the LINK-PP Test Support Center.
Optical Spectrum Test
Examine spectral width and center wavelength limits for precision.
Eye Pattern Test
Assess signal distortion and optical modulation quality using oscilloscopes.
Bit Error Rate Test
Confirm flawless packet delivery and data integrity during stress-testing.
Temperature Test
Validate structural module endurance under extreme thermal fluctuations.
Product Shipping for LINK-PP LS-BL315501-40C 155M SFP
We provide secure logistics solutions to deliver your optical modules safely worldwide. Your hardware arrives protected and on time.
Anti-Static Protective Packaging
Shield fragile internal circuits from electrostatic discharge during handling.
Shock-Resistant Transport Protection
Utilize sturdy exterior structural boxing to deflect heavy transit impacts.
Fast Order Processing and Dispatch
Accelerate warehouse handling times to speed up product departures.
Global Logistics and International Delivery
Ship items via dependable express freight networks for worldwide coverage.
LINK-PP LS-BL315501-40C integrates easily by inserting the module into any compatible SFP port and connecting a single-mode fiber patch cord. It is widely used in metropolitan access networks, telecom edge systems, and long-reach Fast Ethernet backhauls requiring reliable single-fiber data transmission.
LS-BL315501-40C 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-BL315501-40C 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:
No, the 1310nm/1550nm laser configurations are precisely tuned for 9/125µm single-mode fiber optics and will suffer extreme modal dispersion on multi-mode glass. By
admin on
2026-04-06
A:
Yes, the physical chassis handles non-condensing relative humidity levels from 5% up to 85% without experiencing optical degradation. By
admin on
2026-02-27
A:
Yes, by tracking real-time drops in the RX optical power metric, your team can proactively schedule maintenance before packet loss occurs. By
admin on
2026-01-21
A:
Yes, the internal optical engine natively supports both 155Mbps Fast Ethernet data streams and synchronous telecom transport architectures. By
admin on
2025-12-18
A:
Not at all. The diagnostic circuitry operates entirely on an independent internal management bus, completely isolated from the primary data path. By
admin on
2025-06-19
Solid commercial-grade performance. They run slightly warm in fully packed switches but well within the standard operating temperature specs. DDM metrics are useful for pre-failure alerts. Will buy again for next quarterly batch.
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493996
346486
D***n
Ukraine
Verified
Purchase
5 .0
2026-04-01
Excellent option for scaling down costs on 155Mbps fiber links. The LS-BL315501-40C SFP module provides standard DDM diagnostics that our SNMP server monitors perfectly. No strange errors in the log files.
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character.
493996
346492
E***h
Belgium
Verified
Purchase
5 .0
2026-03-15
We deploy these in our municipal surveillance networks. Running over single-mode fiber up to 25km and the signal attenuation is minimal. It's tough finding good 155M SFP optics transceivers these days, but LINK-PP delivers quality.
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493996
346484
F***m
Thailand
Verified
Purchase
5 .0
2026-03-08
We were tasked with expanding a regional SCADA telemetry network for a remote utility automation project, requiring a cost-effective way to bridge long distances between remote stations and the central monitoring hub. Utilizing these 40km 155M single-mode SFP optical transceivers allowed us to build out our topology over a single fiber line, cutting our structural patch infrastructure and optical distribution panel costs in half. On the monitoring side, the digital diagnostics function works flawlessly, reporting highly accurate optical receive power metrics that align perfectly with our physical handheld optical power meters. Hardware integration with our ruggedized field access switches was seamless, throwing zero log warnings or unsupported module alerts during commissioning. Will definitely keep spec'ing this model for our future utility and automation architecture rollouts.
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493996
346494
B***m
United States
Verified
Purchase
5 .0
2026-02-26
LINK-PP is becoming our go-to for optics. These 40km Simplex LC SFP modules resolved our fiber shortage between buildings instantly. No packet loss recorded over a 48-hour soak test. Appreciate the fast delivery!
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493996
346478
P***h
United Arab Emirates
Verified
Purchase
5 .0
2026-01-22
Needed 155Mbps Fast Ethernet SFP modules for some vintage substation RTUs. These single-mode 40km SFP optical transceivers worked without a hitch. Dom/DDM capability works natively with our legacy monitoring tools. Smooth rollout!
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493996
346480
C***e
South Africa
Verified
Purchase
5 .0
2025-12-29
The DDM function provides accurate TX/RX power levels, which made troubleshooting our dirty patch panel a breeze. Highly compatible with our legacy Fast Ethernet switches. Definitely stocking up on these.
Please write comments with more than three
character.
493996
346491
D***h
Bulgaria
Verified
Purchase
5 .0
2025-11-19
Ordered 20 of these 155M BiDi modules for a campus backbone upgrade. The 1310nm-TX/1550nm-RX paired perfectly with the matching downlinks. DDM monitoring lets us track optical power in real-time. Great value for enterprise deployment.
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character.
493996
346481
H***p
Sweden
Verified
Purchase
4 .0
2025-10-11
Great price for a simplex LC 1310nm/1550nm 40km module. The shipment arrived a day later than estimated due to customs clearance delays at the border, but the hardware compatibility is outstanding.
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493996
346496
A***r
New Zealand
Verified
Purchase
5 .0
2025-09-16
Using these for long-haul base station backhaul links. The 1310nm/1550nm matching works perfectly over our existing single-fiber infrastructure. Performance is completely stable under varying traffic loads.
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character.
493996
346489
F***n
Australia
Verified
Purchase
5 .0
2025-08-19
Simplex LC connectors are definitely the way to go when you are low on fiber strands. We salvaged a full strand across our industrial park using these BiDi modules. 40km budget is more than enough for our topology.
Please write comments with more than three
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493996
346485
G***k
Singapore
Verified
Purchase
5 .0
2025-07-23
As an independent internet service provider specializing in rural broadband networks, legacy 155M BiDi SFP links are still widely utilized across our aggregation and edge nodes. Finding high-quality 40km single-mode fiber optics that don't trigger interface rejection errors on older telecom gear is a persistent pain point, but this module completely blew us away. We subjected a sample lot to a rigorous 7-day continuous bit error rate test (BERT) at maximum capacity, and the link returned absolutely zero CRC errors, framing anomalies, or dropped packets. The transceiver handles minor macrobending attenuation along the fiber run gracefully, and the real-time DDM tracking gives our NOC pinpoint accuracy when troubleshooting line degradation.
Please write comments with more than three
character.
493996
346495
E***y
Turkey
Verified
Purchase
5 .0
2025-07-05
Our engineering team deployed a bulk batch of these transceivers for a highway traffic camera telemetry backhaul network spanning over 35 kilometers. Since these modules feature a standard commercial-grade operating temperature specification, we housed them inside climate-controlled roadside distribution cabinets. The DDM interface is fully MSA-compliant, allowing our automated network management software to poll real-time telemetry seamlessly; even during summer peak heat cycles, the internal module temperature stabilized well below the maximum thermal threshold. The laser bias current remained incredibly steady under a continuous full-duplex traffic load. For regional public sector deployments where absolute field reliability is vital but procurement budgets are tightly constrained, this 40km single-mode module delivers tier-one engineering stability.
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493996
346479
K***y
Argentina
Verified
Purchase
5 .0
2025-06-03
Good 155M SFP BiDi module. It does exactly what it says on the spec sheet. Distance is accurate; we hit 32km with a stable -18dBm RX power. Good value if you are looking to cut down on fiber infrastructure costs.
Please write comments with more than three
character.
493996
346482
I***n
Russian Federation
Verified
Purchase
4 .0
2025-05-14
Modules are solid, plugged into our legacy Fast Ethernet equipment and immediately linked up. The plastic dust caps on the Simplex LC ports were a bit tight to pull off initially, but otherwise, everything is great.
Singapore · English · SGD
