Is Scalance X104-2 (6GK5104-2BB00-2AA3) compatible with SFP 6GK5991-1AD00-8AA0?

Thanks in advance

Hello,

you can not put an SFP transceiver in a SCALANCE X-100.SFT transceiver are e.g. for X-300/400
X-100 have fixed BFOC sockets for Multimode glass FO cable.

For more infos check SIMATIC NETConfigurator

https://webservices.siemens.com/tstcloud/#/Start/