The Cisco-compatible SFP transceiver provides up to 120km of 1000Base-BX throughput over single-mode fiber (SMF) using 1490nm-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.

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Cisco GLC-BX120-U Compatible 1000BASE-BX BiDi SFP 1490nm-TX/1550nm-RX 120km DOM Simplex LC SMF Transceiver Module
#51422
#51422
£76.00 exc. VAT
FS P/N: SFP-GE-BX120£91.20 inc. VAT
FS P/N: SFP-GE-BX120
701 Sold
31 Reviews
6 Questions
Transceiver Models:
97 In Global Warehouse, Get It By 25 Dec 2023
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Cisco GLC-BX120-U Compatible 1000BASE-BX SFP Transceiver Module (SMF, 1490nm-TX/1550nm-RX, 120km, LC, DOM)
Specifications
Cisco Compatible
GLC-BX120-U
Vendor Name
FS
Form Factor
SFP
Max Data Rate
1000Mbps
Wavelength
1490nm-TX/1550nm-RX
Max Cable Distance
120km
Connector
Simplex LC
Optical Components
DFB BiDi
Media
SMF
DOM Support
Yes
TX Power
-1~4dBm
Receiver Sensitivity
< -31dBm
Commercial Temperature Range
0 to 70°C (32 to 158°F)
Protocols
Fast Ethernet, Gigabit Fibre Channel, MSA Compliant
* FS standard transceivers are fully compatible with Cisco equipment. Click
for more information.
Quality Testing Program
Quality Testing Program

Optical Transceivers Testing Learn more
Quality Certifications
To get the detailed certification, please go to the Product Compliance Status for download.
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
Scenario 1

Scenario 2

Scenario 1

Scenario 2

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.

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
Specifications
Cisco GLC-BX120-U Compatible 1000BASE-BX SFP Transceiver Module (SMF, 1490nm-TX/1550nm-RX, 120km, LC, DOM)
The Cisco-compatible SFP transceiver provides up to 120km of 1000Base-BX throughput over single-mode fiber (SMF) using 1490nm-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.
Specifications
Cisco Compatible
GLC-BX120-U
Vendor Name
FS
Form Factor
SFP
Max Data Rate
1000Mbps
Wavelength
1490nm-TX/1550nm-RX
Max Cable Distance
120km
Connector
Simplex LC
Optical Components
DFB BiDi
Media
SMF
DOM Support
Yes
TX Power
-1~4dBm
Receiver Sensitivity
< -31dBm
Commercial Temperature Range
0 to 70°C (32 to 158°F)
Protocols
Fast Ethernet, Gigabit Fibre Channel, MSA Compliant
* FS standard transceivers are fully compatible with Cisco equipment. Click
for more information.
Quality Testing Program
Quality Testing Program

Optical Transceivers Testing Learn more
Quality Certifications
To get the detailed certification, please go to the Product Compliance Status for download.
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
Scenario 1

Scenario 2

Scenario 1

Scenario 2

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.

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
All (6)Conventional vs BIDI (1)Matched Attenuator (1)Matching Cables (1)Matching Transceivers (1)Wavelength (1)Work with DWDM Mux (1)
Customer Reviews
A***a
Israel
3 Oct 2020
good item working on field vey well
Verified Purchase
Helpful 0
Comment 0M***a
Brazil
7 Aug 2018
Product Received correctly, thanks!
Verified Purchase
Helpful 0
Comment 0M***k
Netherlands
15 Nov 2016
Very simple and easy to use website. Very clear and concise information that helps you to get the right items very quickly.
Verified Purchase
Helpful 1
Comment 0See all reviews
Resources
£76.00 exc. VAT
£91.20 inc. VAT
97 In Global Warehouse