Tom Randstrom

Leo,It's a team answering questions. We're all here to help!

Optical transceivers do not negotiate the link speed, so the transceivers need to be the same speed.

Do you have multimode for single-mode fiber between the transceivers? 

If you have any 15454 line cards that are non-functional, you might be able to harvest a tab from on...

400G interface is below:https://www.cisco.com/c/en/us/products/collateral/interfaces-modules/transce...

There is quite a difference in Receive power levels (approx 9dB) between the 2 links. Is there an in...

Have a look at the video posts on YouTube from Walid Wakim (Distinguished Engr, Cisco). You can mess...

I don't have any direct experience with this company or product, but just thought I would share. htt...

Below is the link to the transceiver compatibility tool for the module series in question: ttps://tm...

If you swap the transceivers between the devices, does the issue follow?

Correct, but the switch 2960X-48FPS-L at the other end of the link doesn't support a 10Gbps interfac...

Unfortunately, you are not able to directly connect a 1Gbps optical transceiver to a 10Gbps optical ...

The power levels shouldn't be an issue. The max transmit power is 0.5dBm and the max receive power i...