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The FS SFP-1G35-BX20 Compatible LINK-PP module is a high-performance 1G BiDi SFP transceiver module delivering reliable 1.25 Gbps throughput over single-mode fiber. Engineered for 20km reach, this simplex LC optical module operates at commercial temperature, utilizing advanced FP laser and PIN receiver technology to ensure optimal efficiency and seamless enterprise network integration.
| FS Part Number | SFP-1G35-BX20 | Vendor Name | LINK-PP |
| Form Factor | SFP | Max Data Rate | 1.25Gbps |
| Wavelength | 1310nm-TX/1550nm-RX | Max Cable Distance | 20km |
| Connector | Simplex LC | Media | SMF |
| Transmitter Type |
FP | Receiver Type |
PIN |
| TX Power | -9 to 0dBm | RX Power | -23 to -1dBm |
| Receiver Sensitivity | <-23dBm | DOM Support | Yes |
| Operating Temperature Range |
0 to 70°C | Protocols |
Fast Ethernet, Gigabit Fibre Channel, MSA Compliant |
This premium 1G BiDi SFP features an MSA-compliant hot-pluggable design for seamless field upgrades. It incorporates integrated Digital Optical Monitoring for proactive network diagnostics while guaranteeing extensive multi-vendor compatibility across standard enterprise switches and routers.
The FS SFP-1G35-BX20 Compatible LINK-PP 1G BiDi SFP optical module provides a cost-effective, high-bandwidth communication solution. It effectively doubles network capacity by utilizing bidirectional transmission technology over one single-mode fiber strand.
Deploy the SFP-1G35-BX20 module to achieve robust 1G connectivity across extensive metro Ethernet networks. It provides the reliable bandwidth and low latency required for service provider backhaul networks and campus fiber rings.
Featuring a 1310nm-TX transmitter and 1550nm-RX receiver, this specialized wavelength-division multiplexing module optimizes link efficiency. It must be paired with its complementary 1550nm-TX/1310nm-RX transceiver counterpart for successful communication.
This reliable long-reach fiber transceiver easily supports long-distance 20km transmission over standard single-mode fiber cables. It maintains exceptional signal integrity and low attenuation over extended backbone links.
The compact SFP-1G35-BX20 module utilizes a simplex LC interface connector to maximize patch panel space. This single-port design significantly reduces structural cabling infrastructure deployment costs.
Equipped with built-in DOM capability, this transceiver enables real-time monitoring of critical operating statistics. Network administrators can easily track voltage, temperature, and optical power parameters.
This high-quality 1G SFP module meets strict global manufacturing standards. It ensures safe, environmentally friendly operation in enterprise data centers and telecom environments worldwide.
Every fiber transceiver underwent our rigorous testing program before shipment. We comprehensively verify hardware stability, data integrity, and optical performance to guarantee optimal reliability.
The SFP-1G35-BX20 holds full CE, FCC, and RoHS regulatory certifications. These industry compliance standards guarantee excellent safety, product durability, and global eco-friendly manufacturing practices.
Our modules are certified for seamless host-device compatibility across diverse network hardware. This ensures hassle-free plug-and-play installation without triggering system configuration errors.
Our strict quality assurance process guarantees faultless deployment. We rigorously validate every single parameters to prevent downtime in your critical network environment.
We analyze central wavelengths and spectral width to ensure stable optical signal transmission characteristics.
Our advanced eye pattern analysis confirms clean waveform structures and excellent transceiver signal-to-noise ratios.
We conduct comprehensive bit error rate testing to verify error-free 1G data transfer performance.
Thermal chamber validation ensures stable commercial-grade performance from zero to seventy degrees Celsius.
We utilize secure, premium logistics channels to distribute our optical transceivers safely. Your order is handled carefully to guarantee safe arrival at your destination.
Each transceiver is sealed in premium ESD anti-static packaging.
Cushioned multi-slot boxes shield optical modules from physical transit impacts.
Our streamlined warehouse system guarantees swift order fulfillment and fulfillment.
We partner with top global carriers for reliable worldwide distribution.
This short demonstration guides you through inserting the SFP module into a live network switch, connecting the simplex LC fiber cable, and checking the host interface to verify automatic link configuration.
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 SFP-1G35-BX20 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 | FS | FS | FS | FS | FS | FS |
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 | 1550nm-TX/1490nm-RX | 1550nm-TX/1490nm-RX | 1550nm-TX/1490nm-RX |
Connector | Simplex LC | Simplex LC | Simplex LC | Simplex LC | Simplex LC | Simplex LC |
Cable Distance (Max) | 20km | 10km | 40km | 120km | 80km | 160km |
Cable Type | SMF | SMF | SMF | SMF | SMF | SMF |
TX Power | -9 to 0dBm | -9 to 0dBm | -5 to 0dBm | 0 to +5dBm | 0 to +5dBm | 0 to +5dBm |
Receiver Sensitivity | -23 to -1dBm | -23 to -1dBm | -23 to -1dBm | -28 to -1dBm | -26 to -1dBm | -28 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 |
Vendor Name | LINK-PP | LINK-PP | LINK-PP | LINK-PP | LINK-PP | LINK-PP |
Form Factor | SFP | SFP | SFP | SFP | SFP | SFP |
Transmitter Type | FP | DFB | DFB | DFB | DFB | |
Receiver Type | PIN | PIN | PIN | APD | PIN | APD |
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 | SFP MSA、SFF-8472 |
| Pictures | ID# | Description | Price | Stock | Add to Cart |
Q: How is your supply chain? If we need to source 1,000 of these 1310nm/1550nm SFPs quarterly, what is the typical lead time? By D***n on 2025-11-21
A: Our supply chain is highly robust with massive local stock for standard standard-rate SKUs. For a quarterly run rate of 1,000 units, we can schedule regular deliveries with zero delays. Standard bulk orders typically have a fast turnaround time of just 4-7 business days to locations across North America and Europe. By admin on 2025-11-21
Q: How does the total cost of ownership (TCO) for these Link-PP simplex LC modules compare to original OEM optics? By M***r on 2025-11-10
A: Our 1G SFP BiDi transceivers offer ultimate cost-performance, typically saving IT departments 70-80% compared to OEM branded optics. They deliver the exact same 1.25Gbps performance, precise DOM monitoring, and 20km transmission distance, drastically reducing your network deployment and long-term maintenance TCO. By admin on 2025-11-10
Q: We are planning a massive campus fiber network upgrade. Do you offer any tiered discounts for ordering these optical transceivers in batches of 500+? By S***s on 2025-09-21
A: Yes, we provide aggressive volume pricing for enterprise batch deployments. While the retail price is already highly competitive, purchasing bulk quantities will unlock significant per-unit discounts. Please reach out to our B2B sales team with your exact project needs for a custom quote! By admin on 2025-09-21
Q: Will this 1G SFP BiDi module sync up properly in a mixed environment using Cisco core switches and HPE edge switches? By R***r on 2025-08-22
A: Absolutely! The LS-BL31551G-20C is 100% MSA compliant and extensively tested for multi-brand interoperability. It works flawlessly as a plug-and-play solution across Cisco, HPE, Juniper, Dell, and other major OEM equipment without any vendor lock-in issues. By admin on 2025-08-22
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