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The LINK-PP LS-BL55311G-10I is a 1G BiDi transceiver that provides a reliable data rate of 1.25 Gbps over single-mode fiber for distances up to 10 km. It uses a 1550nm transmit/1310nm receive wavelength pair to allow efficient two-way communication on just one fiber.
| LINK-PP Part Number | LS-BL55311G-10I | Vendor Name | LINK-PP |
| Form Factor | SFP | Max Data Rate | 1.25Gbps |
| Wavelength | 1550nm-TX/1310nm-RX | Max Cable Distance | 10km |
| Connector | Simplex LC | Media | SMF |
| Transmitter Type | DFB BiDi | Receiver Type |
PIN |
| TX Power | -9 to 0dBm | RX Power | -23 to -1dBm |
| Receiver Sensitivity | <-23dBm | Receiver Overload | -1dBm |
| Operating Temperature Range | -40 to 85°C | Protocols |
Fast Ethernet, Gigabit Fibre Channel, MSA Compliant |
Get reliable, medium-distance connectivity with the LINK-PP LS-BL55311G-10I, a 1G BiDi optical module built for industrial use. It delivers 1.25 Gbps data transfer up to 10 km and supports full-duplex communication over a single fiber, giving you rugged, stable performance even in harsh environments.
Thanks to its DFB laser and PIN receiver with precisely matched transmit and receive wavelengths, the LINK-PP LS-BL55311G-10I optical module enables highly efficient single-fiber bidirectional communication. It also maintains excellent optical stability and preserves dependable signal integrity.
The LINK-PP LS-BL55311G-10I BiDi SFP module delivers dependable 1.25 Gbps data transmission with low latency, making it an ideal solution for Gigabit Ethernet applications requiring solid performance and easy fiber deployment.
This LINK-PP LS-BL55311G-10I BiDi SFP module, with a transmit and receive wavelength of 1550nm and 1310nm, enables bidirectional data flow over a single-mode fiber, boosting fiber utilization, streamlining cabling layout, and minimizing network expansion costs.
The LINK-PP LS-BL55311G-10I 1G BiDi SFP module provides reliable medium-range connectivity over single-mode fiber for up to 10 km, ideal for campus networks, enterprise backbones, security systems, and industrial control networks.
Thanks to the simplex LC interface's dual-function port (transmit + receive), fiber needs drop, cable routing becomes simpler, and deployment costs shrink significantly.
The LINK-PP LS-BL55311G-10I 1G BiDi SFP module incorporates DOM capabilities for accurate real-time tracking of temperature, voltage, and optical power levels, simplifying maintenance, speeding up problem detection, and decreasing downtime.
With ISO 9001-certified processes and full compliance with CE, RoHS, and FCC standards, each LINK-PP module delivers refined quality and dependable optical performance.
Every unit is rigorously evaluated to guarantee performance stability in real-world environments.
Manufactured in accordance with global standards for durability and compliance.
Tested extensively with LINK-PP devices for stable recognition and reliable long-term operation.
Strict quality checks ensure optimal signal integrity and system reliability. Visit the LINK-PP Test Support Center to learn more.
Checks wavelength precision for compliant operation.
Ensures clear and stable optical signals.
Validates low BER for dependable data flow.
Enables reliable performance under temperature changes.
LINK-PP combines protective packaging with efficient global logistics to ensure every module reaches you in perfect condition.
Static-shielding packaging defends sensitive components from ESD.
Heavy-duty packaging protects against shocks and vibration.
Efficient dispatch systems ensure fast order shipment.
Global logistics partnerships enable reliable worldwide delivery.
Ideal for industrial Ethernet, enterprise fiber access, security backbones, FTTH, telecom edge networks, and remote monitoring, this LINK-PP LS-BL55311G-10I 1G BiDi SFP module combines stable 10 km transmission, industrial durability, and single-fiber efficiency. It offers an excellent solution for cost-sensitive yet reliability-critical new installations and network upgrades.
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-BL55311G-10I 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 | 1550nm-TX/1310nm-RX | 1550nm-TX/1310nm-RX | 1550nm-TX/1310nm-RX | 1550nm-TX/1310nm-RX | 1550nm-TX/1310nm-RX | 1550nm-TX/1310nm-RX |
Connector | Simplex LC | Simplex LC | Simplex LC | Simplex LC | Simplex LC | Simplex LC |
Cable Distance (Max) | 10km | 20km | 60km | 3km | 40km | 2km |
Cable Type | SMF | SMF | SMF | SMF | SMF | SMF |
TX Power | -9 to 0dBm | -9 to 0dBm | -5 to 0dBm | -15 to -8dBm | -5 to 0dBm | -15 to -8dBm |
Receiver Sensitivity | -23 to -1dBm | -23 to -1dBm | -23 to -1dBm | -23 to -1dBm | -23 to -1dBm | -23 to -1dBm |
Operating Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | 0 to 70°C |
Form Factor | SFP | SFP | SFP | SFP | SFP | SFP |
Transmitter Type | DFB BiDi | DFB BiDi | DFB | FP | DFB BiDi | FP |
Receiver Type | PIN | PIN | PIN | PIN | PIN | PIN |
Receiver Overload | -1dBm | -1dBm | -1dBm | -1dBm | ||
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: Is this industrial SFP suitable for outdoor cabinets or telecom environments? By M***n on 2026-07-12
A: Yes. LS-BL55311G-10I is an industrial-grade 1G BiDi SFP transceiver with a wide operating temperature range, making it suitable for outdoor cabinets, telecom access networks, industrial Ethernet applications, and remote fiber links. By admin on 2026-07-13
Q: Can this LS-BL55311G-10I BiDi SFP work with my existing switch from another brand? By A***r on 2025-06-04
A: Yes. This 1G BiDi SFP supports OEM-compatible coding options for many major network equipment brands. It is designed for multi-brand switch compatibility, and we recommend selecting the correct compatible version when ordering. By admin on 2025-06-04
Q: What fiber cable should I use for the 1550nm-TX/1310nm-RX 10km SFP module? By S***r on 2024-11-28
A: This module requires single-mode fiber (SMF) with a simplex LC connector. It is designed for 10km transmission using BiDi WDM technology, with 1550nm optical transmission and 1310nm optical reception over one fiber strand. By admin on 2024-11-28
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