I have an Isoetec EZ-1/36 from 1986 it says. I took it out of an office in fine working condition a few months ago. I have no manual. It does nothing when wired and the phones will not light up. It does have a little LCD window on the mother board that lights up and tells the version and all that but I can't get it to give me a dial-tone or light up a phone in any way. Any one have any part of the manual on this thing (intallation or setup) please reply to [email protected] Thanks!
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Not to be a smarta$$ but you do realize that the phones are 4 wire connections not 2.The 36 has a jack on the ksu for ext 32 which is the programming extension.There is a small slide switch to select programming mode.I think the connection is near the top right of the motherboard easier to see if you have the cover removed.
It would be well worth your while to get the full manual for this antique, if you really think that you want to deal with it. Many of the phones have major keypad issues. If you have "soft-touch" buttons on your phones, it might be worth salvaging. If they are the older style buttons... the KSU makes an excellent boat anchor.