The SFP28-25G-LB loopback module is a 25Gbps Quad Small Form Factor Pluggable SFP28 loopback module for testing SFP28 transceiver ports on host/system boards. By substituting a full-featured SFP28 transceiver, the electrical loopback provides a cost effective method for SFP28 port testing.

Click to open expanded view





Cisco SFP28-25G-LB Compatible 25G SFP28 Passive Loopback Testing Module
Hot #109370
Hot #109370
US$28.00
FS P/N: SFP28-LBImport Fees Included
FS P/N: SFP28-LB
486 Sold
4 Reviews
2 Questions
75 In Global Warehouse, Get It By Dec 18, 2023
See more warehouse availability
Deliver to New York, 10010
Free Shipping via Fedex International Priority on orders over US$79.00
Test Support
5-Year Warranty
30-Day Returns
30-Day Exchange
Specifications
Features
Q&A
Reviews
Resources
Cisco SFP28-25G-LB Compatible 25G SFP28 Passive Loopback Testing Module
Specifications
Cisco Compatible
SFP28-25G-LB
Vendor Name
FS
Form Factor
SFP28
Max Data Rate
28Gbps
Attenuation
0dB
Power Consumption
0W
DDM/DOM
Supported
Temperature Range
0 to 70°C (32 to 158°F)
Protocols
MSA Compliant,SONET, SDH, Gigabit Ethernet, Fiber Channel
Application
SFP28 Port Testing, Board Level System Testing
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.
Features
25G SFP28 Loopback Module for Testing
This low-profile passive SFP28 25G loopback cable features typical insertion loss (attenuation) characteristics of a mere 0dB, consuming no more than 0.0 Watts of power during the testing process.
Power Consumption
0W
Attenuation
0dB
Max Data Rate
28Gbps
Make Port Testing Easier and More Efficient
Compared with traditional loopback testing where modules are connected to jumpers, loopback modules are simpler and more efficient in port testing, allowing you to check port operating status by simply plugging in the switch.
Specifications
Cisco SFP28-25G-LB Compatible 25G SFP28 Passive Loopback Testing Module
The SFP28-25G-LB loopback module is a 25Gbps Quad Small Form Factor Pluggable SFP28 loopback module for testing SFP28 transceiver ports on host/system boards. By substituting a full-featured SFP28 transceiver, the electrical loopback provides a cost effective method for SFP28 port testing.
Specifications
Cisco Compatible
SFP28-25G-LB
Vendor Name
FS
Form Factor
SFP28
Max Data Rate
28Gbps
Attenuation
0dB
Power Consumption
0W
DDM/DOM
Supported
Temperature Range
0 to 70°C (32 to 158°F)
Protocols
MSA Compliant,SONET, SDH, Gigabit Ethernet, Fiber Channel
Application
SFP28 Port Testing, Board Level System Testing
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.
Features
25G SFP28 Loopback Module for Testing
This low-profile passive SFP28 25G loopback cable features typical insertion loss (attenuation) characteristics of a mere 0dB, consuming no more than 0.0 Watts of power during the testing process.
Power Consumption
0W
Attenuation
0dB
Max Data Rate
28Gbps
Make Port Testing Easier and More Efficient
Compared with traditional loopback testing where modules are connected to jumpers, loopback modules are simpler and more efficient in port testing, allowing you to check port operating status by simply plugging in the switch.
Questions & Answers
All (2)Operating Temperature (1)
Customer Reviews
J***o
Taiwan, China
August 28, 2023
Nice service.
Verified Purchase
Helpful 0
Comment 0J***o
Taiwan, China
May 24, 2023
Great support!
Verified Purchase
Helpful 0
Comment 0R***f
United States
August 18, 2020
Got these loopback modules for our transceiver board-level test. These modules worked great on our switches and the test results had no problems. These modules provided us a cost-effective method for our SFP28 port testing. Quite satisfied!
Verified Purchase
Helpful 11
Comment 0See all reviews
Resources
US$28.00
75 In Global Warehouse