All Products
Services
Support
About Us
Resources
Mind your business with a variety of trusted payment options.
Use order number or tracking number to check shipping status.
Get your quote fast and offer you more professional service.
Help manage your budget & expenditure better.
Free samples support, achieve your test results efficiently.
Professional team support and service, to solve your problems in time.
Ask us whatever you care, we will help you 24/7.
Get your quote fast and offer you more professional service.
Meet us and know our mission, belief, service and more.
Find our locations and get connected with us closely.
Quality management, testing, compatibility and global compliance.
Download ISO, CE, FCC, UL, RoHS and REACH certificates by product line.
Lab tour, optical test bed, compatibility tool and test requests.
Find out the latest news and events around l-p.com
Deep dive into technical guides, industry standards, and SFP compatibility insights.
Detailed product benchmarks and side-by-side comparisons to help you choose the right module.
Explore real-world connectivity solutions for data centers, enterprises, and telecom networks.
Essential tips on choosing data rates, transmission distances, and connector types.
New Customer? Create an account
The LINK-PP LS-BL55492G-80C is a high-performance 2.5G BiDi SFP optical transceiver engineered for robust SDH and SONET networks. This hot-pluggable component utilizes a single mode fiber connection, integrating an advanced DFB laser with a PIN photodetector. Operating optimally within commercial temperature ranges, it delivers cost-effective, reliable single-fiber bidirectional data transmission for modern enterprise infrastructure.
| LINK-PP Part Number | LS-BL55492G-80C | Vendor Name | LINK-PP |
| Form Factor | SFP | Max Data Rate | 2.5Gbps |
| Wavelength | 1550nm-TX/1490nm-RX | Max Cable Distance | 80km |
| Connector | Simplex LC | Media | SMF |
| Transmitter Type | DFB | Receiver Type | PIN |
| TX Power | -2 to +4dBm | RX Power | -23 to -1dBm |
| Receiver Sensitivity | -26dBm | DOM Support | Yes |
| Operating Temperature Range | 0 to 70°C | Protocols | Fast Ethernet, Gigabit Fibre Channel, MSA Compliant |
Discover the exceptional capabilities of this single mode optical module, engineered to enhance your network infrastructure. This 2.5Gbps transceiver combines low power consumption with superior signal integrity. It strictly adheres to SFP MSA standards, guaranteeing seamless integration and outstanding operational efficiency across diverse fiber optic routing environments.
Functioning as a premium single-fiber SFP solution, this device supports data rates up to 2.5Gbps. It provides exceptional networking stability for SDH STM-16 and 2x Fiber Channel systems, significantly upgrading your overall telecom infrastructure throughput effortlessly.
Designed specifically for demanding long-haul applications, this robust 2.5G transceiver ensures uninterrupted data flow across inter-city networks. Its high-speed communication capacity effectively bridges vast geographical distances, making it ideal for scalable metropolitan area network expansions.
By employing Wavelength Division Multiplexing technology, the module features a 1550nm DFB laser transmitter and 1490nm receiver. This precise wavelength configuration maximizes fiber utilization, allowing bidirectional signal transmission over a single strand of optical cable.
Engineered for extended reach, this long-range SFP module achieves an impressive 80km transmission distance over standard single-mode fiber. It overcomes significant attenuation challenges, providing reliable, high-fidelity optical signal delivery for extensive telecommunication backbone networks.
Featuring a standard simplex LC receptacle, this fiber optic transceiver simplifies network patching and hardware connectivity. The hot-pluggable LC interface minimizes installation time while ensuring a secure, low-insertion-loss physical connection for continuous high-bandwidth operations.
Integrated Digital Optical Monitoring capability conforms to SFF-8472 specifications, offering advanced diagnostic functions. Network administrators can easily track critical transceiver parameters like temperature, voltage, laser bias current, and optical power levels continuously in real time.
Every LINK-PP networking component undergoes strict regulatory compliance assessments. This commercial-grade SFP module meets stringent international safety and environmental guidelines, ensuring dependable network hardware deployments worldwide.
To guarantee superior optical performance, our comprehensive quality control protocols evaluate every BiDi module. This systematic inspection ensures all transceivers maintain absolute stability under heavy data loads.
Backed by crucial industry approvals, this product is fully compliant with CE, FCC, UKCA, UL, REACH, and RoHS standards, representing a trustworthy choice for enterprise telecommunications infrastructure.
Designed according to the Multi-Source Agreement, this optical transceiver delivers flawless interoperability. It guarantees smooth integration with switches, routers, and servers from various mainstream network equipment manufacturers.
We execute sophisticated factory testing procedures on every single fiber transceiver, ensuring impeccable transmission quality and extending the overall hardware lifespan significantly.
Validates the exact 1550nm center wavelength to guarantee precise optical signal output accuracy.
Evaluates signal integrity and modulation quality, strictly maintaining clear high-speed network communication standards.
Confirms flawless data delivery by achieving a minimal error rate across 80km distances.
Verifies continuous operational stability within the commercial temperature range of 0°C to +70°C.
To preserve component integrity during transit, we utilize secure logistics packaging. Each transceiver arrives at your facility safely and perfectly ready for deployment.
Shields sensitive optical electronics from potentially damaging electrostatic discharge events effectively.
Durable outer materials absorb impact forces, preventing physical damage during freight operations.
Streamlined warehouse operations ensure rapid packaging and immediate shipment of your orders.
Reliable worldwide shipping partners guarantee timely and secure delivery to global destinations.
Watch this comprehensive tutorial illustrating the simple plug-and-play installation process. Learn how to accurately connect the simplex LC fiber, configure the switch interface, and monitor real-time diagnostic data using the DDM function for maximum network efficiency.
LINK-PP provides professional technical support, including pre-sales consultation, compatibility verification, and post-deployment troubleshooting to ensure smooth network operation.
Professional technical guidance to help customers select the most suitable LS-BL55492G-80C modules based on network architecture and application requirements.
Compatibility checks and validation to ensure seamless operation with Cisco switches and other supported networking platforms.
Step-by-step support for installation, configuration, and initial deployment to ensure stable and correct operation.
Ongoing technical support throughout the product lifecycle to ensure reliable performance in enterprise and carrier-grade networks.
LINK-PP provides after-sales support for the smooth deployment and reliable operation of the optical modules.
15-day no-reason return and refund
Free replacement for dead-on-arrival (DOA) or defective items within the initial period
Free repair services for manufacturing defects throughout the warranty period
Warranty exclusions and conditions apply
Compatible | LINK-PP | LINK-PP | LINK-PP | LINK-PP | LINK-PP | LINK-PP |
Data Rate (Max) | 2.5Gbps | 2.5Gbps | 2.5Gbps | 2.5Gbps | 2.5Gbps | 2.5Gbps |
Wavelength | 1550nm-TX/1490nm-RX | 1550nm-TX/1490nm-RX | 1310nm-TX/1550nm-RX | 1490nm-TX/1310nm-RX | 1490nm-TX/1310nm-RX | 1550nm-TX/1490nm-RX |
Connector | Simplex LC | Simplex LC | Simplex LC | Simplex LC | Simplex LC | Simplex LC |
Cable Distance (Max) | 80km | 120km | 40km | 10km | 20km | 80km |
Cable Type | SMF | SMF | SMF | SMF | SMF | SMF |
TX Power | -2 to +4dBm | -2 to +4dBm | -2 to +4dBm | -5 to 0dBm | -5 to 0dBm | -2 to +4dBm |
Receiver Sensitivity | -26dBm | -27dBm | -23 to -1dBm | -23 to -1dBm | -23 to -1dBm | -26dBm |
Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | -40 to 85°C |
Form Factor | SFP | SFP | SFP | SFP | SFP | SFP |
Transmitter Type | DFB | DFB | DFB | DFB | DFB | DFB |
Receiver Type | PIN | APD | PIN | PIN | PIN | PIN |
DOM Support | Yes | Yes | Yes | Yes | ||
Protocols | Fast Ethernet, Gigabit Fibre Channel, MSA Compliant | Fast Ethernet, Gigabit Fibre Channel, MSA Compliant | Fast Ethernet, Gigabit Fibre Channel, MSA Compliant | Fast Ethernet, Gigabit Fibre Channel, MSA Compliant | Fast Ethernet, Gigabit Fibre Channel, MSA Compliant | Fast Ethernet, Gigabit Fibre Channel, MSA Compliant |
| Pictures | ID# | Description | Price | Stock | Add to Cart |
Q: Does this transceiver comply with standard telecom protocols for our ISP backbone? We run mostly SDH STM-16 and legacy SONET. By C***s on 2026-07-13
A: Yes, it is heavily engineered for telecommunications. It is fully compliant with SDH STM-16, SONET, Fast Ethernet, and Gigabit Fibre Channel standards. It also strictly adheres to SFF-8472 for digital optical monitoring (DOM), ensuring seamless compliance for rigorous ISP and data center interconnects. By admin on 2026-07-13
Q: How does the performance of this transceiver compare to the original branded optics? We are on a tight budget but can't sacrifice network reliability. By D***s on 2026-06-22
A: It delivers identical 2.5Gbps throughput and stable 80km reach at a fraction of the cost. Using the exact same high-quality DFB laser and PIN receiver layout, it meets all rigorous OEM tolerances for TX/RX power and signal latency, making it an incredibly cost-effective, plug-and-play replacement. By admin on 2026-06-22
Q: Just to verify the physical connection, this module requires a single strand of fiber, right? What type of patch cable do I need for the interface? By A***s on 2026-03-13
A: That is correct! Because this is a BiDi (bidirectional) WDM module, it utilizes just one single strand of Single Mode Fiber (SMF) for both transmitting (1550nm) and receiving (1490nm). You will need a standard Simplex LC patch cable to click directly into this transceiver. By admin on 2026-03-13
Q: We have a mix of Cisco and Arista switches in our core. Will this LINK-PP 2.5G bidi module play nice without throwing unsupported transceiver errors? By D***s on 2026-02-10
A: Absolutely. The LS-BL55492G-80C is fully MSA compliant and can be coded to match standard OEM specifications. It will seamlessly interoperate with your Cisco and Arista network gear without triggering any unsupported third-party optic warnings. By admin on 2026-02-10
Q: This unit shows an operating temperature of 0 to 70°C. We need something for an outdoor telecom enclosure in the desert. Do you have an industrial-grade version of this exact spec? By W***r on 2026-01-12
A: We certainly do. For extreme outdoor or unconditioned edge environments, you'll want to check out our LS-BL55492G-80I model. It offers the exact same 2.5G 80km WDM performance but is built to support a much wider industrial temperature range from -40°C all the way up to 85°C. By admin on 2026-01-12
{{reply_items.topic || reply_items.text}}By {{reply_items.author}}
{{ lpMoneyText(detail_data.displayed_price.unit_prefix, item.displayed_price.value || item.displayed_price.min, detail_data.displayed_price.unit_suffix) }}
Canada
Carrier
CostDelivery TimeTracking
Company
CostTime
{{ shipitem.name }}
{{ isFreeShipping(shipitem)? 'Free Shipping' : lpMoneyText(detail_data.displayed_price.unit_prefix, shipitem.price, detail_data.displayed_price.unit_suffix) }} To Be Negotiated {{shipitem.datemin}}-{{shipitem.datemax}} days Available
{{parseInt(detail_data.left_num) ? detail_data.left_num +' in Stock' :detail_data.zeroStockOrder==0?'Out of Stock':'Available'}}