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Unfortunately, finding the practice for the FL-2000 is going to be difficult. It didn't last long, it was very expensive and the only 1A2 customers leasing them from the LECs were ones with deep pockets, like government agencies. Sadly, we threw one of them out with packaging and docs recently.
My apologies for my clouded memory on these units, but I never actually installed them. I seem to recall that the lamp was steady when any station went off hook to dial. Once the station code was dialed, it began flashing on all phones. Upon answer, it went back to steady. This was accomplished by utilizing the button's A lead and an in-line resistor. When the unit detected the resistance of two buttons pressed, it "knew" to go steady. I may have this confused with Valcom units that definitely worked this way.
The more I think about it, the FL-2000 may have had A-lead connections from each station adjacent to each buzzer for the associated station. To explain: The output went A20, B20, A21, B21, A22, B22, etc. (or something like that). This is a situation where we need the expertise of Arthur P. Bloom. Is he still with us?
Professor Shadow, Thanks for the idea to email them, I emailed Tone Commander and they had no luck on finding a manual....
Ed, What I understand what Tone Commander is using the R leads from the intercom to make the lamp on the called station to flash (activation). Then they are using the motor start lead and the lamp flash from lead from the interrupter. Seems to be very simple installation to get it hooked up, I would have to uncommon my lamp leads.
The lamp on all the other phones remain solid.
I think about 10 years ago someone here posted about the unit. I was very very lucky to find one. I think Melco had a version of this too.
Melco's version was the KL-19A a two path intercom that controlled the lights, etc. I actually had one or two of them at one time, they were wrecked out from a customer that went with that new electronic key system.
There was a thread in archives on the Melco box and a comparison of the difference between a 19A and a 30 on the TCI site. It did take deep pockets for a lot of the intercom stuff. IIRC Tone Commander made a forerunner to the PBX in the Innkeeper and Storekeeper systems. I had one of those in my hands as late as 1988. I actually saw one on the wall at a K-Mart in the Detroit area, used as a giant intercom.
I'm probably the one that posted about it 10 years ago as I had one I was setting up on my home system. You might find posts under my user name if they aren't archived... But yeah when any station goes off hook the intercom key lights up solid on all sets. When the intercom is activated to a station the interrupter is activated and the key light for the called station flashes where the other stations stay solid. I have mine set up to use buzzers so the called station buzzes once and the light flashes. I don't remember if it times out after a period of time. If you search "dmntn7" on youtube I have a short video of how it works.
I did have problems initially with the unit working properly. I think the relay contacts had oxidized. Once everything was set up and I could exercise it it worked fine and still does although I never use it.
It is kind of fun being an obscure unit. Shawn
ps: I dont have any docs other than the label on the box itself. I thought I had something on it but I looked and dont.
I do recall your original post and that sparked my interest in getting one. I knew that it was very very rare and most likely that I would never would find one. After many years of searching, patients paid off and found one.
