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The LINK-PP LS-BL31551G-60C is a high-performance 1G BiDi SFP optical module specifically designed for stable Gigabit Ethernet and Fiber Channel applications. Operating seamlessly over single-mode fiber, this cost-effective transceiver utilizes advanced WDM technology to deliver an efficient data rate of 1.25Gbps, ensuring highly reliable optical link capabilities for enterprise networking.
| LINK-PP Part Number | LS-BL31551G-60C | Vendor Name | LINK-PP |
| Form Factor | SFP | Max Data Rate | 1.25Gbps |
| Wavelength | 1310nm-TX/1550nm-RX | Max Cable Distance | 60km |
| Connector | Simplex LC | Media | SMF |
| Transmitter Type |
DFB | Receiver Type |
PIN |
| TX Power | -5 to 0dBm | RX Power | -23 to -1dBm |
| Receiver Sensitivity | -24dBm | DOM Support | Yes |
| Operating Temperature Range |
0 to 70°C | Protocols |
Fast Ethernet, Gigabit Fibre Channel, MSA Compliant |
This exceptional optical transceiver combines outstanding efficiency with intelligent design. Featuring hot-pluggable capabilities, low power consumption, and class I laser safety, it delivers an optimal balance of cost-effectiveness and premium performance, meeting the strict demands of modern high-speed enterprise telecommunication network infrastructures.
As a versatile 1G BiDi SFP optical transceiver, this hot-pluggable module provides a highly reliable single-fiber connection. It perfectly balances low power consumption with high efficiency, meeting strict industry standards for modern networking equipment.
Providing robust 1G connectivity, this Gigabit SFP module is ideal for upgrading switches and routers in backbone networks. Its consistent high-speed data transmission ensures minimal latency, empowering stable communications across large-scale enterprise data center infrastructures.
Utilizing advanced WDM technology, this transceiver features a precise 1310nm DFB laser transmitter paired with a highly sensitive 1550nm PIN receiver. This specific 1310nm-TX/1550nm-RX wavelength configuration maximizes single-fiber capacity, reducing overall cabling deployment costs significantly.
Engineered for extensive reach, this single-mode SFP transceiver guarantees seamless communication across vast distances. Supporting up to 60km transmission over standard SMF, it provides an outstanding optical budget to bridge remote network nodes without signal degradation.
Equipped with an industry-standard simplex LC connector, this optical module ensures easy and secure fiber insertion. The single LC receptacle design facilitates quick installation while maintaining excellent optical alignment for reliable, uninterrupted bi-directional data flow.
Compliant with SFF-8472, this intelligent transceiver features comprehensive Digital Diagnostic Monitoring. The built-in DOM functionality empowers network administrators to continuously track critical parameters like temperature, voltage, and laser power for predictive maintenance and enhanced reliability.
Our commitment to absolute quality is validated through rigorous global compliance. This optical transceiver perfectly meets international safety and environmental standards, ensuring trustworthy and sustainable enterprise networking.
Our rigorous factory testing program ensures every 1G SFP module meets the highest industry standards, delivering exceptional durability and consistent performance for demanding telecommunication networking applications.
Backed by comprehensive international approvals, this optical transceiver holds CE, FCC, UKCA, UL, and REACH certifications, perfectly aligning with strict global RoHS environmental and safety compliance regulations.
Fully compliant with the SFP Multi-Source Agreement, this certified module guarantees flawless interoperability. It seamlessly integrates with diverse mainstream networking brands, ensuring hassle-free plug-and-play host-device compatibility.
To guarantee superior reliability and uninterrupted connectivity, every single transceiver undergoes multiple comprehensive performance tests before leaving our advanced manufacturing facility.
Accurately verifies laser wavelength stability and side-mode suppression ratio for optimal optical signal integrity.
Ensures excellent signal quality and minimal jitter, guaranteeing clear transmission for high-speed Gigabit data.
Confirms flawless long-distance communication by ensuring receiver sensitivity meets stringent zero-packet-loss industry requirements.
Validates stable optical module operation across the full commercial temperature range of 0 to 70°C.
We prioritize secure handling and swift distribution, utilizing premium packaging solutions to ensure your network equipment arrives safely and ready for immediate deployment.
Shielded in ESD-safe bags to prevent sensitive electronic component damage.
Encased in custom shock-absorbing trays, preventing physical impacts during rough transit.
Streamlined warehouse operations guarantee swift turnaround times and rapid order fulfillment.
Partnering with trusted couriers to provide reliable, trackable worldwide shipping solutions.
Easily integrate this hot-swappable transceiver into compatible switches or routers. Simply insert the module into an empty SFP port until it clicks securely, then connect your single-mode fiber optic cable to the simplex LC receptacle for instant connectivity.
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-BL31551G-60C 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) | 1.25Gbps | 1.25Gbps | 1.25Gbps | 1.25Gbps | 1.25Gbps | 1.25Gbps |
Wavelength | 1310nm-TX/1550nm-RX | 1310nm-TX/1550nm-RX | 1310nm-TX/1550nm-RX | 1310nm-TX/1550nm-RX | 1310nm-TX/1550nm-RX | 1310nm-TX/1550nm-RX |
Connector | Simplex LC | Simplex LC | Simplex LC | Simplex LC | Simplex LC | Simplex LC |
Cable Distance (Max) | 60km | 15km | 40km | 10km | 3km | 2km |
Cable Type | SMF | SMF | SMF | SMF | SMF | SMF |
TX Power | -5 to 0dBm | -5 to 0dBm | -5 to 0dBm | -9 to 0dBm | -15 to -8dBm | -15 to -8dBm |
Receiver Sensitivity | -24dBm | -23 to -1dBm | -23 to -1dBm | -23 to -1dBm | -23 to -1dBm | -23 to -1dBm |
Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
Form Factor | SFP | SFP | SFP | SFP | SFP | SFP |
Transmitter Type | DFB | FP | DFB | FP | FP | FP |
Receiver Type | PIN | PIN | PIN | PIN | PIN | PIN |
DOM Support | Yes | Yes | 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: We are budgeting for an ISP municipal fiber project requiring 500+ units. Do you provide tiered volume discounts? By D***t on 2026-01-09
A: Yes, we offer transparent tiered wholesale pricing for B2B bulk orders. Tiered discounts apply automatically at checkout for quantities of 100, 1,000, 3,000, and 6,000+ pieces, lowering the per-unit cost significantly. You can also contact our sales engineering team directly to get customized B2B quotes, formal proforma invoices, and project net terms. By admin on 2026-01-09
Q: We run a mixed switch environment with Cisco Catalyst, Juniper EX, and MikroTik routers. Will this 1G BiDi 60km module be recognized without vendor lock-in errors? By K***a on 2025-12-03
A: Yes. The LS-BL31551G-60C module is fully compliant with the standard SFP MSA and SFF-8472 protocols. We also offer custom EEPROM coding for specific vendors (such as Cisco, Juniper, Arista, Dell, HPE, MikroTik, etc.). Just specify your switch hardware and OS version when requesting compatibility or ordering, and each module will be pre-coded and lab-tested to ensure plug-and-play interoperability without triggering unsupported transceiver alarms. By admin on 2025-12-04
Q: How does the optical performance and reliability of this transceiver compare to original OEM brand optics? By K***a on 2025-07-04
A: This module delivers equivalent carrier-grade optical performance and link budget specifications to major OEM brands at a fraction of the cost. It integrates a high-precision DFB laser transmitter (-5 to 0 dBm TX power) and a sensitive PIN receiver (-24 dBm sensitivity), supporting high-reliability 1.25Gbps Gigabit Ethernet transmission up to 60km with integrated Digital Optical Monitoring (DOM/DDM). By admin on 2025-07-04
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