etbigguy Welcome to the forum welcome

You should post this question in a new thread as many people will not see it here.

Be prepared to replace the system with new product and different dimensions. If you want to salvage the old intercom I would suggest finding a electronics repair guru


Merritt

Business Telephones & Equipment + Commercial Audio/Video Products
Commercial Communications . . . Turner, Maine
If it was built after 1980 don't expect it to work right.