Cool old Photo

I was just on face book and I came across this really old picture of an early simplex 2120 system from a training seminar.
https://scontent-lga3-1.xx.fbcdn.net/v/t1.0-9/69938199_10206455500664436_3275524630399418368_o.jpg?_nc_cat=104&_nc_oc=AQlwQmuxJB-7sokfo3Jz3mqbgeWhzv4DU9ygcDAGmqCVpSIinFik0o8HvacqF8XWoh0&_nc_ht=scontent-lga3-1.xx&oh=67e5367c87ef44c96578665eab79b08d&oe=5DF102F4

For those who cannot see the picture for some reason or another…

By the way, hotlinking images from Facebook is rarely a good idea, because the links tend to break with time, hence why I’m rehosting the picture on the forum.

That aside, indeed, it’s a pretty cool picture.

Does anyone have an exact date on that picture? It looks like mid or late-80s to me. In any case, I’ve never seen a full Simplex 2120 multiplex system before; that’s super cool!

I was scrolling through facebook looking at fire alarm stuff and the date was 81-82

Considering the fact that in the background there are 2903-9101 plates as well as what looks like a 2901-9806 without a strobe plate and a LifeAlarm speaker, i would say 80s would be a good guess.