the rep showed me the plastic cased ion & a dongle,
I knew where they got the dongles form them from & asked why I should buy there's,
they run really hot at 12v & they where concerned at the fire risk (IIRC)
the 9800 was in the market place in the late 1980's.... rkp, digi footprint, priner outputs...
30 odd years later-
this sort of tat still selling well.
its a plastic panel from the 80's
gemini / concept had something like 12 or 20 cores between the controls,
it very unlikely anything but the correct product would work
no, it was 4 & 8 zone product with either on board or blank metal endstation
individual zone tamper IIRC
?
https://www.thesecurityinstaller.co.uk/community/forum/37-trade-access-control/
your "trade full memeber" should let you view & post in the above link ?