and to close this topic ... in other topic i found a solution https://community.tp-link.com/en/business/forum/topic/273612 as @Fae wrote, there is a new FW for MP variant but our switches are a plain...

i am confused tried 3 copper SFP and SKYLYNE optical in 10giga edition same SG3428 but X type and gues what ? they all works with latest FW what a miracle, 1G copper works in 10G cage Hardware...

... and one more interesting thing copper SFPs they are worked fine in prev FW tested with 3 different no-name 1000FD copper SFP but with new FW, they are dead ok, i understand that copper SFP is not...

Hi we have a problem with this switch and latest FW before update, our switches worked well with SKYLANE optical SFPs SBU35020DR3D We choose this type of SFPs because they are equiped with SC...

as turned out, there is a new FW >We just find your firmware can upgrade to the latest versionT2600G-18TS(UN)_V2_20200304, please have a try:...

Hi TP-LINK i like to ask DEVs for one (suppose last time) firmware update we own a bunch of these devices and we have a problem with port naming every other Jetstrem have a "normal" port naming ex:...