[GreenKeys] Back to Teletypes after many Years!

[Bill Horne]

[snip]
> Recently, I was offered a 28ASR to add to a TTY display. 
> Last weekend, we got it home. What a monster. To lighten it 
> up, we took the printer, keyboard, etc out of the cabinet 
> (as to get it it had to go up a large number of stairs). I 
> re-assembled it ofter we got it to the museum.
> 
> This printer has some sort of device in the base where it 
> wouldn't print until its identity had been confirmed. It 
> had been used by a stock brokerage. I don't know what it is 
> called. I have to figure out how to disable that feature 
> before I can get it to print.

That device is called a "Stunt Box", and it's a selective-calling
mechanism that allows for control of individual machines on a "party
line" circuit. You may either disable it electrically (IIRC, by
shorting the output control leads), or mechanically by "toothpicking"
the output control relay.

HTH.

73,

Bill W1AC