finally i do some experiment and found that my Chinese brand sfp is not fully supported by mikrotik but they are supported by my cisco small business switch SG300-28. i have some jdsu, finisher sfp which are perfectly supported in mikrotik.
but in the other hand i have some copper sfp like avago and nokia branded which are also not supported. all not supported sfp's are detected and show me the ddm data and link okay but data transfer not happening.
normis, can you add support for my Syrotech brand sfp?? because they are cheap only 30 usd per pair in my country (India). here is the website http://syrotech.com/
if you needed i can provide datasheet.
p.s. all sfp's are gig sfp not 100 mbps.