I believe the original poster is referring to the little device that, in the second picture (the one with the printed circuit card) is immediately next to the RJ-45 connector and has the copper ends of coils showing. (Poor photos.)
That may be some kind of inductor or "choke"--BUT, I'm NO electronics component expert. Repairing some of these cards manufactured for GE can be difficult, at best. Many of these cards are multi-level (have several levels of traces in the thickness of the card) making hand soldering difficult without damaging traces. Not impossible, but difficult.
It should be possible (with better photographs) to find an electronics component supplier (such as RS) who can name the component. HOWEVER, as with most electronics, there can be many different ratings in the same size/shape/form, and the rating is most important when sourcing/purchasing the components. I would be surprised if, on another undamaged card, the manufacturer's identification/part number could be found and used to source/purchase the necessary component.
To try to dissolve such incertitude , did you ever have a look on drawing /schematic ??Yes its same as that one near rj45.
Some cards have carbonic shape insteed of coil
No need from your answer as I had solution since begining!So maybe you can share solution with professional/ people/engineers on the forum.
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by Akshay Kumar