The Cisco-compatible SFP transceiver provides up to 20km of 1000Base-BX throughput over single-mode fiber (SMF) using 1310nm-TX/1550nm-RX wavelengths via LC simplex connectors. This bi-directional unit must be used with another transceiver or network equipment of complementary wavelengths. It provides 1000BASE Ethernet connectivity options for Fast Ethernet, Telecom and Data Centers.
![Cisco GLC-BX-20U Compatible SFP 1000BASE-BX-U BiDi 1310nm-TX/1550nm-RX 20km DOM Simplex LC/UPC SMF Optical Transceiver Module This picture is about SFP-GE-BX.](https://resource.fs.com/mall/mainImg/202209151544131yk08l.jpg)
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![Cisco GLC-BX-20U Compatible SFP 1000BASE-BX-U BiDi 1310nm-TX/1550nm-RX 20km DOM Simplex LC/UPC SMF Optical Transceiver Module This picture is about SFP-GE-BX.](https://resource.fs.com/images/20221104175312lblb2u.jpg)
![Cisco GLC-BX-20U Compatible SFP 1000BASE-BX-U BiDi 1310nm-TX/1550nm-RX 20km DOM Simplex LC/UPC SMF Optical Transceiver Module This picture is about SFP-GE-BX.](https://resource.fs.com/mall/mainImg/60x60/202209151544131yk08l.jpg)
![Cisco GLC-BX-20U Compatible SFP 1000BASE-BX-U BiDi 1310nm-TX/1550nm-RX 20km DOM Simplex LC/UPC SMF Optical Transceiver Module This picture is about SFP-GE-BX.](https://resource.fs.com/mall/mainImg/60x60/20220915154411dhnncp.jpg)
![Cisco GLC-BX-20U Compatible SFP 1000BASE-BX-U BiDi 1310nm-TX/1550nm-RX 20km DOM Simplex LC/UPC SMF Optical Transceiver Module This picture is about SFP-GE-BX.](https://resource.fs.com/mall/products/60x60/39143.C.jpg)
![Cisco GLC-BX-20U Compatible SFP 1000BASE-BX-U BiDi 1310nm-TX/1550nm-RX 20km DOM Simplex LC/UPC SMF Optical Transceiver Module This picture is about SFP-GE-BX.](https://resource.fs.com/mall/products/60x60/39143.D.jpg)
![Cisco GLC-BX-20U Compatible SFP 1000BASE-BX-U BiDi 1310nm-TX/1550nm-RX 20km DOM Simplex LC/UPC SMF Optical Transceiver Module This picture is about SFP-GE-BX.](https://resource.fs.com/mall/products/60x60/39143.E.jpg)
Cisco GLC-BX-20U Compatible SFP 1000BASE-BX-U BiDi 1310nm-TX/1550nm-RX 20km DOM Simplex LC/UPC SMF Optical Transceiver Module
Hot #39143
Hot #39143
AUD16.50 (Incl. GST)
FS P/N: SFP-GE-BXFS P/N: SFP-GE-BX
79.5K Sold
256 Reviews
16 Questions
Transceiver Models:
708 in Global Warehouse, Get it by Monday, 9 September 2024
1100 in Transit, Get it by Monday, 9 September 2024
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Deliver to Sydney, 1001
Free Shipping via DHL Express Worldwide on orders over AUD99.00
Free Product Trial
5-Year Warranty
30-Day Returns
30-Day Exchange
Cisco GLC-BX-20U Compatible 1000BASE-BX-U SFP Transceiver Module (SMF, 1310nm-TX/1550nm-RX, 20km, LC, DOM)
Specifications
Cisco Compatible
GLC-BX-20U
Vendor Name
FS
Form Factor
SFP
Max Data Rate
1000Mbps
Wavelength
1310nm-TX/1550nm-RX
Max Cable Distance
20km
Connector
Simplex LC
Optical Components
FP BiDi
Media
SMF
DOM Support
Yes
TX Power
-9~-3dBm
Receiver Sensitivity
<-20dBm
Commercial Temperature Range
0 to 70°C (32 to 158°F)
Protocols
Fast Ethernet, Gigabit Fibre Channel, MSA Compliant
Quality Testing Program
Quality Testing Program
![](https://resource.fs.com/mall/ckfinder/ftp_images/product/20220902172543_802.jpg)
Optical Transceivers Testing Learn more
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Please Note: Installing a third party transceiver does not void your network equipment warranty. Network equipment manufacturers all have guidelines stating that warranty support on their products will not be affected.
Connectivity Solutions
![](https://resource.fs.com/mall/fs_scene_images/20220701/165664051762be5405d1e575.80154348.jpeg.webp)
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Features
1G Connectivity for Data Center
Featured with low power consumption, the BIDI SFP transceivers provides a cost-efficient solution via using a single-fiber solution for Gigabit Ethernet applications.
Tested in Host Devices for Proven Interoperability
Every unit is quality tested for compatibility in the targeted switch environment, which guarantees flawless operations.
![](https://resource.fs.com/mall/fs_scene_images/20211111/1636624558618ce8ae6f85d5.64354971.jpeg.webp)
Comprehensive Testing Increases Reliability
Qualified through a rigorous process with advanced equipments to ensure you get the high quality and reliable optics.
Optical Spectrum Test
No Packet Loss & CRC
Eye Pattern Test
Mask Margin >20%
Bit Error Rate Test
BER 1E-12
Temperature Test
0~70°C
Videos
Questions & Answers
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All (16)Compatible Modules (2)Application (1)Conventional vs BIDI (1)HPE Series (1)Matched Attenuator (1)Matching Cables (1)Matching Transceivers (1)Mikrotik Series (1)Other Compatibility (1)Parameter (1)Transmission (1)Wavelength (1)Work with DWDM Mux (1)
Customer Reviews
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J***l
Norway
8 February 2024
Works as expected, no complaints about the product. Though the packaging feels a bit wasteful of you're ordering just 1-2 units.
Verified Purchase
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Comment 0M***s
Canada
31 January 2024
Everything that was order arrived on time. The service was great.
I will purchase from you again.
I will purchase from you again.
Verified Purchase
Helpful 0
Comment 0J***t
United States
11 November 2023
Well packaged and after plugging in to my TP-Link Omada router it instantly works! Using it to communicate with my ISP so I didn’t need the corresponding module for the other side. I was contacted about this by an FS representative, kudos for that !
Verified Purchase
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