Thanks Brian for your useful comments. So am I correct in identifying the network type connector sockets as RJ-11 rather than RJ-45? If so I can get the correct Teflon plug. This can be inserted with a thin layer of Dielectric/Teflon paste to further seal against water intrusion. This can be renewed as needed.
Next I am going to open the Gemini-1 electronics chassis and look things over for any corrosion needing attention. I know that the chrome plating on the 12-volt input jack has corroded. Seems like at least one of servo-motor jacks has similar damage. I have a product called Ospho which according to the ?causes iron oxide (rust) to chemically change to iron phosphate - an inert, hard substance that turns the metal black. This can be painted with an oil-based paint if desired. The treated surface even without paint is not prone to further rusting. But it might be best to paint the treated surface as well, considering the moist working environment. Maybe a bit of galvanizing paint can be applied. That silvery color would better match the chrome next to the damaged area.
Losmandy mounts and the accompanying electronics are first rate products. But user mistreatment on my part has caused some damage. I'm just so pleased with what Michael Herman has done for me. The alternative would have been as much as $1000 for the Gemini-2 with touch-screen. I wasn't looking forward to that since my fingers on touch-screen iPad and iPhone are somewhat?dysfunctional. There is something about my electrical characteristics that sometimes makes for frustrating touch interaction. I know the Gemini-2 package is quite the improvement as far as features and capabilities. But I know at least 1 person who didn't like the Gemini-2 at all. And I'm quite used the Gemini-1 menu interface.
Best Regards,
Russ
Russell Milton