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fs sfp-1g34-bx20 compatible link-pp 1g sfp bidi 1310nm-tx 1490nm-rx 20km dom simplex lc smf optical transceiver module
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FS SFP-1G34-BX20 Compatible LINK-PP 1G SFP BiDi 1310nm-TX/1490nm-RX 20km DOM Simplex LC SMF Optical Transceiver Module

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Product summary

Product
FS SFP-1G34-BX20 Compatible LINK-PP 1G SFP BiDi 1310nm-TX/1490nm-RX 20km DOM Simplex LC SMF Optical Transceiver Module
SKU
217846
P/N
LS-BL31491G-20C
Price
$ 14.5
Stock
1359 in Stock
Sold
1.6K
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
20 Reviews
4 Questions
1.6K 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-1G34-BX20 Compatible LINK-PP 1G BiDi SFP Specifications

The FS SFP-1G34-BX20 Compatible LINK-PP module is a premium 1G BiDi SFP optical transceiver engineered for high-performance Gigabit Ethernet. Operating over single-mode fiber, this 1000BASE-BX-U module delivers a reliable 1.25Gbps data rate. With advanced 1310nm FP laser technology and a durable simplex LC connector, it ensures seamless bidirectional networking for your communication infrastructure.

FS Part NumberSFP-1G34-BX20Vendor NameLINK-PP
Form Factor SFP Max Data Rate 1.25Gbps
Wavelength 1310nm-TX/1490nm-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-1G34-BX20 Compatible LINK-PP 1.25G SFP

Discover the remarkable capabilities of the FS SFP-1G34-BX20 Compatible LINK-PP 1G BiDi SFP. This hot-pluggable transceiver boasts an energy-efficient design, single-fiber bidirectional transmission, and built-in digital diagnostic monitoring. It maximizes bandwidth efficiency while offering exceptional plug-and-play convenience for modern network deployments.

FS SFP-1G34-BX20 Compatible LINK-PP 1G BiDi SFP Optical Module

The FS SFP-1G34-BX20 Compatible LINK-PP 1G BiDi SFP optical module represents a cost-effective solution for telecommunication systems. By utilizing advanced WDM technology, this transceiver optimizes fiber utilization, making it an ideal choice for high-speed fiber-to-the-home and enterprise applications.

SFP-1G34-BX20: 1G Connectivity for Enterprise LAN Backbone

Upgrade your infrastructure with the SFP-1G34-BX20 module, designed to deliver robust 1G connectivity for enterprise LAN backbones. This reliable Gigabit Ethernet transceiver guarantees stable, low-latency networking, ensuring continuous data flow across demanding corporate environments.

SFP-1G34-BX20 Module with 1310nm-TX and 1490nm-RX Wavelength

Featuring a precise 1310nm FP laser transmitter and 1490nm PIN receiver, the SFP-1G34-BX20 module with 1310nm-TX and 1490nm-RX wavelength minimizes signal interference. This precise optical configuration guarantees outstanding signal integrity across your dedicated bidirectional network links.

SFP-1G34-BX20 Module Supporting 20km Transmission

Engineered for long-reach networking, the SFP-1G34-BX20 module supporting 20km transmission excels over standard single-mode fiber. It provides an impressive link budget, making it the perfect gigabit transceiver for connecting remote switches, routers, and campus access points.

SFP-1G34-BX20 Module with Simplex LC Interface

Built for easy integration, the SFP-1G34-BX20 module with simplex LC interface simplifies your optical patch panel connections. This industry-standard connector ensures minimal insertion loss and highly secure physical links for your essential Gigabit networking equipment.

SFP-1G34-BX20 Module with DOM for Real-Time Monitoring

Proactively manage your network using the SFP-1G34-BX20 module with DOM for real-time monitoring. This digital diagnostic feature accurately tracks critical parameters like temperature, voltage, and optical power, helping administrators prevent potential link failures before they happen.


FS SFP-1G34-BX20 Compatible LINK-PP 1.25G SFP Certification

Every FS SFP-1G34-BX20 Compatible LINK-PP 1G SFP certification reflects our commitment to industry standards. These optical transceivers comply strictly with MSA specifications, ensuring outstanding safety and operational excellence globally.

Optical Transceivers Testing

The comprehensive SFP-1G34-BX20 quality testing program guarantees exceptional reliability. We subject every single 1G BiDi SFP module to rigorous evaluations, verifying unmatched performance across complex enterprise networking environments.

SFP-1G34-BX20 Quality Certifications

Our transceivers hold key SFP-1G34-BX20 quality certifications including CE, FCC, and RoHS. These recognized global standards demonstrate compliance with environmental safety and superior electromagnetic interference protection protocols.

SFP-1G34-BX20 Certified for Reliable Host-Device Compatibility

The SFP-1G34-BX20 certified for reliable host-device compatibility undergoes extensive switch interoperability checks. This ensures flawless plug-and-play execution alongside major networking brands like Cisco, Huawei, and HP switches.


Rigorous Testing Ensures Reliable SFP Performance

Extensive factory inspections and rigorous testing ensures reliable SFP performance. Each transceiver passes strict optical and electrical assessments before leaving our modern facility.

Optical

Optical Spectrum Test

The optical spectrum test validates the 1310nm FP laser center wavelength accuracy consistently.

Optical

Eye Pattern Test

An advanced eye pattern test confirms excellent signal integrity and minimal optical distortion.

Optical

Bit Error Rate Test

Our bit error rate test guarantees zero packet loss during continuous gigabit transmission.

Optical

Temperature Test

A demanding temperature test ensures stable operation within commercial zero to seventy degrees.


Product Shipping for FS SFP-1G34-BX20 Compatible LINK-PP 1.25G SFP

We prioritize secure product shipping for FS SFP-1G34-BX20 Compatible LINK-PP 1G SFP orders, ensuring your optical modules arrive safely, swiftly, and ready for deployment.

Anti-Static Protective Packaging

Anti-Static Protective Packaging

Premium anti-static protective packaging prevents electrostatic discharge damage during transit.

Shock-Resistant Transport Protection

Shock-Resistant Transport Protection

Durable shock-resistant transport protection shields delicate components from physical impacts.

Fast Order Processing and Dispatch

Fast Order Processing and Dispatch

Experience fast order processing and dispatch for immediate networking upgrades.

Global Logistics and International Delivery

Global Logistics and International Delivery

Trusted global logistics and international delivery bring products worldwide seamlessly.

FS SFP-1G34-BX20 Compatible LINK-PP 1.25G SFP Usage Demonstration

Watch our complete FS SFP-1G34-BX20 Compatible LINK-PP 1G SFP usage demonstration to see the effortless installation process. Learn how to securely insert the single-mode fiber transceiver into a compatible network switch and verify operational status quickly.

SFP-1G34-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-1G34-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-1G34-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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D***s
France
Verified Purchase
5 .0
2026-03-03
The 1310nm-TX/1490nm-RX wavelength pair worked seamlessly with our existing Alcatel-Lucent hardware.
M***n
Austria
Verified Purchase
5 .0
2026-01-25
Works flawlessly with my Dell switch.
L***r
Portugal
Verified Purchase
5 .0
2026-01-04
Tested in our outdoor cabinet for cell tower backhaul. Even though it's 0 to 70°C rated, it handles the summer heat fine. Great Simplex LC SMF optical transceiver for the price. ☀️
N***s
Sweden
Verified Purchase
5 .0
2026-01-02
Cost-effective Gigabit Ethernet solution. Bought 50 units for a client's IP camera deployment.
W***r
Japan
Verified Purchase
5 .0
2025-12-29
Perfect 1G BiDi SFP for our server racks. TX/RX optical levels look great.
P***n
Ireland
Verified Purchase
5 .0
2025-11-12
Easy plug and play Gigabit fiber. ⚡
L***n
United States
Verified Purchase
5 .0
2025-11-06
Nice simplex LC connector fit. Works great for connecting distant campus buildings.
A***s
Bolivia
Verified Purchase
5 .0
2025-11-04
Needed a reliable 1G link for my home 10G NAS backup server. This 20km DOM Simplex LC transceiver connected flawlessly to my Unifi switch. Plug and play, zero CRC errors!
E***n
Venezuela
Verified Purchase
5 .0
2025-08-30
DOM support is highly accurate. Replaced old 1G SFPs in our Fortinet firewalls perfectly.
R***s
Italy
Verified Purchase
4 .0
2025-08-15
Box was slightly crushed upon arrival, but the 1.25G SFP BiDi works perfectly.
R***s
Thailand
Verified Purchase
5 .0
2025-06-22
Perfect Cisco compatible 1G SFP.
J***s
Brazil
Verified Purchase
5 .0
2025-05-23
Flawless DDM integration on our Netgear switches. Really happy with this LC module!
D***s
Canada
Verified Purchase
4 .0
2025-03-22
Took a day longer than expected. SFP 20km modules fired up instantly though. ⏱️
L***z
Switzerland
Verified Purchase
5 .0
2025-03-20
Accurate DDM monitoring out of the box.
N***n
Viet Nam
Verified Purchase
5 .0
2025-01-15
Great value for enterprise B2B networking gear.
M***e
Colombia
Verified Purchase
5 .0
2024-12-28
Solid 20km transmission distance on single-mode fiber. Great for our factory network.
K***g
Hong Kong
Verified Purchase
5 .0
2024-11-30
0 to 70°C temp rating holds up.
S***n
Portugal
Verified Purchase
5 .0
2024-11-22
Great transceiver for MSA compliant switches. Easy install for our server room upgrade.
J***n
Germany
Verified Purchase
5 .0
2024-11-01
Excellent 1.25G SFP BiDi for data center mass deployment. We mixed them with Juniper and Extreme switches, MSA compliance is spot on. Outstanding total cost of ownership for B2B procurement.
P***s
Spain
Verified Purchase
5 .0
2024-10-12
Fast shipping, great 1310nm-TX SFP unit.
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