For some port description, I am getting 10Gbase-LR, but for some port i am getting 10Gbase-LX4 as description
The Cisco 10GBASE-LR Module supports a link length of 10 kilometers on standard single-mode fiber (SMF, G.652).
The Cisco 10GBASE-LX4 Module supports link lengths of 300m on standard FDDI grade MMF. To ensure that specifications are met, the transmitter output should be coupled through a mode conditioning patch cord.
Different X2 models for different applications (distance).
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The show inventory command is providing you what optic module is connected to the port. LR and LX4 are different optic modules. (Also notice how the serial numbers of the LR modules start with "AGA" and those of the LX4 modules start with "HCT".)
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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