The Cisco 10GBASE-LX4 X2 Module has been retired and is no longer supported.
End-of-Sale Date: 2014-01-13
End-of-Support Date: 2019-01-31
Cisco's End-of-Life Policy
You can view a listing of available Cisco Interfaces and Modules offerings that best meet your specific needs
If you want support information for the Cisco 10GBASE-LX4 X2 Module documentation, it may be available through Cisco.com Search or in the Cisco Community