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fs sfp-1g35-bx20 compatible link-pp 1g sfp bidi 1310nm-tx 1550nm-rx 20km simplex lc dom smf optical transceiver module
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FS SFP-1G35-BX20 Compatible LINK-PP 1G SFP BiDi 1310nm-TX/1550nm-RX 20km Simplex LC DOM SMF Optical Transceiver Module

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Product summary

Product
FS SFP-1G35-BX20 Compatible LINK-PP 1G SFP BiDi 1310nm-TX/1550nm-RX 20km Simplex LC DOM SMF Optical Transceiver Module
SKU
214212
P/N
LS-BL31551G-20C
Price
$ 14.5
Stock
814 in Stock
Sold
2.8K
For Order Over $1000 Get $15.00 Off , Code: Linkpp15
For Order Over $3000 Get $50.00 Off , Code: Linkpp50
For Order Over $5000 Get $100.00 Off , Code: Linkpp100
New Users: $10 Coupon for Orders , Code: linkpp2610
24 Reviews
4 Questions
2.8K Sold
Shipping:
Free Shipping
to United States via FedEx
Estimated delivery time : 3 - 10 days.
5-Year Warranty 30-Day Returns 30-Day Exchange
Warranty
  • Providing industry-leading 5-year warranty.
  • Read the table for details of all products' warranty.
Returns & Exchange
  • Refunds will be received about 5 business days after the receipt of returned items.
  • Items in stock for replacement can be shipped within 1 business day.
  • Read the full return policy for details.
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FS SFP-1G35-BX20 Compatible LINK-PP 1G BiDi SFP Specifications

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 NumberSFP-1G35-BX20Vendor NameLINK-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

Key Features of FS SFP-1G35-BX20 Compatible LINK-PP 1.25G SFP

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.

FS SFP-1G35-BX20 Compatible LINK-PP 1G BiDi SFP Optical Module

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.

SFP-1G35-BX20: 1G Connectivity for Metro Ethernet

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.

SFP-1G35-BX20 Module with 1310nm-TX and 1550nm-RX Wavelength

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.

SFP-1G35-BX20 Module Supporting 20km Transmission

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.

SFP-1G35-BX20 Module with Simplex LC Interface

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.

SFP-1G35-BX20 Module with DOM for Real-Time Monitoring

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.


FS SFP-1G35-BX20 Compatible LINK-PP 1.25G SFP Certification

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.

Optical Transceivers Testing

Every fiber transceiver underwent our rigorous testing program before shipment. We comprehensively verify hardware stability, data integrity, and optical performance to guarantee optimal reliability.

SFP-1G35-BX20 Quality Certifications

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.

SFP-1G35-BX20 Certified for Reliable Host-Device Compatibility

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.


Rigorous Testing Ensures Reliable SFP Performance

Our strict quality assurance process guarantees faultless deployment. We rigorously validate every single parameters to prevent downtime in your critical network environment.

Optical

Optical Spectrum Test

We analyze central wavelengths and spectral width to ensure stable optical signal transmission characteristics.

Optical

Eye Pattern Test

Our advanced eye pattern analysis confirms clean waveform structures and excellent transceiver signal-to-noise ratios.

Optical

Bit Error Rate Test

We conduct comprehensive bit error rate testing to verify error-free 1G data transfer performance.

Optical

Temperature Test

Thermal chamber validation ensures stable commercial-grade performance from zero to seventy degrees Celsius.


Product Shipping for FS SFP-1G35-BX20 Compatible LINK-PP 1.25G SFP

We utilize secure, premium logistics channels to distribute our optical transceivers safely. Your order is handled carefully to guarantee safe arrival at your destination.

Anti-Static Protective Packaging

Anti-Static Protective Packaging

Each transceiver is sealed in premium ESD anti-static packaging.

Shock-Resistant Transport Protection

Shock-Resistant Transport Protection

Cushioned multi-slot boxes shield optical modules from physical transit impacts.

Fast Order Processing and Dispatch

Fast Order Processing and Dispatch

Our streamlined warehouse system guarantees swift order fulfillment and fulfillment.

Global Logistics and International Delivery

Global Logistics and International Delivery

We partner with top global carriers for reliable worldwide distribution.

FS SFP-1G35-BX20 Compatible LINK-PP 1.25G SFP Usage Demonstration

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.

SFP-1G35-BX20 Technical Support

LINK-PP provides professional technical support, including pre-sales consultation, compatibility verification, and post-deployment troubleshooting to ensure smooth network operation.

Pre-Sales Technical Consultation

Pre-Sales Technical Consultation

Professional technical guidance to help customers select the most suitable SFP-1G35-BX20 modules based on network architecture and application requirements.

Compatibility Verification Support

Compatibility Verification Support

Compatibility checks and validation to ensure seamless operation with Cisco switches and other supported networking platforms.

Deployment & Installation Assistance

Deployment & Installation Assistance

Step-by-step support for installation, configuration, and initial deployment to ensure stable and correct operation.

Long-Term Technical Assurance

Long-Term Technical Assurance

Ongoing technical support throughout the product lifecycle to ensure reliable performance in enterprise and carrier-grade networks.

FS SFP-1G35-BX20 Compatible LINK-PP 1.25G SFP After-Sales Assurance

LINK-PP provides after-sales support for the smooth deployment and reliable operation of the optical modules.

15 days

15-day no-reason return and refund

Free maintenance or replacement

Free replacement for dead-on-arrival (DOA) or defective items within the initial period

Free maintenance

 Free repair services for manufacturing defects throughout the warranty period

Limitations

Warranty exclusions and conditions apply

Model Comparison Table

LINK-PP

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S***n
United Kingdom
Verified Purchase
4 .0
2026-04-16
Box was slightly crushed upon arrival, but the 1G SFP BiDi module works perfectly.
J***e
Ireland
Verified Purchase
5 .0
2026-03-03
Bought a batch of Link-PP optical modules for our campus network upgrade. Zero failures.
M***h
Indonesia
Verified Purchase
5 .0
2026-02-06
Paired these 1310nm-TX modules with 1550nm-TX ones. Link came up instantly on Juniper.
J***n
United Arab Emirates
Verified Purchase
5 .0
2026-01-18
DOM readings are precise. Great Cisco compatible 1G SFP for batch deployment.
C***s
Germany
Verified Purchase
5 .0
2025-12-05
Outstanding MSA compliant transceiver for enterprise use.
J***n
United States
Verified Purchase
5 .0
2025-10-21
Excellent 20km transmission distance. Used it for a remote base station backhaul link.
J***t
Panama
Verified Purchase
5 .0
2025-10-16
We deployed these 1G SFP BiDi 20km modules across multiple outdoor cabinets for cell tower backhaul. Despite not being industrial grade, they run extremely cool within the 0-70°C spec. Highly impressed!
S***n
Italy
Verified Purchase
5 .0
2025-10-09
Installed these 1G BiDi SFPs in my home 10G NAS setup. Smooth connection!
S***l
France
Verified Purchase
5 .0
2025-05-19
Needed a reliable link between my core switch and home 10G NAS. This Gigabit Fibre Channel module handles the 1G management interface flawlessly. Zero packet drops over single-mode fiber runs!
D***n
Hong Kong
Verified Purchase
5 .0
2025-03-17
Top-notch 1.25Gbps performance. A very cost-effective simplex LC SMF optical transceiver module.
S***r
Hong Kong
Verified Purchase
5 .0
2025-03-11
Works perfectly in our campus fiber network.
D***r
Panama
Verified Purchase
5 .0
2025-03-09
No packet loss tested on Netgear and Dell multi-brand switches. Very satisfied!
B***n
Kenya
Verified Purchase
5 .0
2025-02-24
Perfect for our indoor server room deployment.
C***z
Czech Republic
Verified Purchase
5 .0
2025-02-02
Upgrading our data center with these 1.25G SMF optical modules significantly lowered our TCO. Optical spectrum tests show massive margin. Perfect for large-scale IT room batch deployments and stable routing.
J***s
Chile
Verified Purchase
5 .0
2024-10-11
No CRC errors on the fibre channel. ✨
M***n
United States
Verified Purchase
5 .0
2024-04-23
Excellent service.
N***e
United Arab Emirates
Verified Purchase
5 .0
2024-04-11
Easy to check out and always very Fast shipping with great prices.
T***g
United States
Verified Purchase
5 .0
2024-04-04
Vendor shipped on time and product arrived as advertised.
B***d
Malaysia
Verified Purchase
5 .0
2024-01-10
Quick, trusted company for networking needs. I have shopped with them for years! I will continue to buy from them!
N***z
Maldives
Verified Purchase
5 .0
2023-07-21
Fast shipping. No issues.
T***a
Belarus
Verified Purchase
5 .0
2023-07-17
Easy to navigate with a user friendly website. Everything works with utmost efficiency, making it a pleasure purchasing items here. I bought many third-party modules from here and they perform very well on my switches. Very reliable and trustworthy.
M***o
Indonesia
Verified Purchase
5 .0
2023-07-04
Shipping is always very Fast. My order was exactly as promised just like on previous orders. I have never had a need to contact customer service. Highly recommended vendor.
N***t
Netherlands
Verified Purchase
5 .0
2023-03-08
Website is easy to understand and simple to navigate.
F***l
France
Verified Purchase
5 .0
2023-02-05
Quick and easy transaction. Thorough descriptions of items.
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