Brother TC-211

Help please. I am getting a tc-211 conversational cnc. Looking to do a retro fit. I would like keep the original servos, and possibly drives (not mandatory). Just need a little help with the correct servo drives, breakout/control boards and any inside info on replacing the resolvers with encoders and pit falls to avoid. Any info would be great. I really don't want to change the servo motors. As far as I could find they are 100v A.C. and 200w motors. Thanks in advance, and I will post pics and descriptions when I get started.

What interface(s) are available on the existing drives?

It's a brother conversational controller. It's all I know right now.

A servo drive part number or picture of the drives would help here

OK i have some pics of the servo (z ) and drives I think. I couldn't open the cabinet all the way.Any advise to convert this to linuxcnc as easy as possible would be great. Also as I don't have a vast knowledge of electrical engineering basic descriptions and acronym explinations would be great. Thanks to all the real guru's here in advance
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also any advice on how to post pics please. I tried