SFP Module - port no connection?

Hello!

Recently I purchased
CRS 212-1G-10S-1S+IN
and
CCR 1016-12S-1S+

I have SFP module 1.25G S-31DLC20D and LC-SC cable.

When I put SFP module to CCR 1016 it recognizes port without problem, and I have connectivity with device on other end.
When I put the same SFP module to CRS 212 it doesn’t even recognize connected port (no R, no led light).

What could be the difference?

Thanks

what version of RouterOS are you running? I hit a similar problem recently when I upgraded to v6.45beta6 on my rb4011 - the SFP modules failed to even register in the hardware port.
As soon as I downgraded to the latest stable build, everything started workgin.

Try setting the port to a lower speed setting in Mikrotik to debug problem.

Tried both suggestions - but no luck :confused: