[GreenKeys] Manual for Teletype EIA-232 Current Interface

[Sarah Autumn]

Hey all,

Does anyone happen to have a manual for the EIA-232 current interface made
by Teletype? I've found manuals for other brands, but they don't seem
applicable to this one.

This interface doesn't seem to have a model number on it. It's a black,
rectangular metal box, about 8" long x 5" wide by 3" deep (estimate). It's
got 4 terminals on one end, and a DB-25 connector on the other.

Thanks!
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