Your subject, picture, and part number shows EX-1FE-FX but your diag output shows EX-1FE-LX.
Port Cable type type Xcvr vendor part number length Firmware
0 GIGE 100LX SM FINISAR CORP FTLF1217P2BTL-J1 1310 nm 0.0
It sounds like your optics are mismatched somewhere.