Good signal but no Link on sfp interface

RouterOS General
1

There is good signal but no link on sfp interface. Hardware is CRS212 and RB2011iLS
sfp.png
Are there some compatibility issue?
On same fiber I Tested CRS212 and RB2011LS running fine
Is it possible to be some hardware problem on RB2011iLS SFP port?

2

connecting 1550 to 1310 would not work :smiley:

3

:slight_smile: wavelengths rx/tx are different S-5x=TX:1550nm RX:1310 S-3x=TX:1310 RX:1550
812_l.jpg

4

Try turning autoneg off or on

5

Yes that helped but only when AutoNeg is off
only when
auto-negotiation=no
speed=1Gbps
full-duplex=yes
on both sides
Txn. But have u any idea why is that?