[GreenKeys] FRXD tape unit

[DR HOUSE]

The same purpose as the 28 RT set.

The machines are "cross-office" machines or FIFO in modern lingo.
These machines connect circuits at different speeds.

The FRXD in it's several forms preceded the 28 RT.

Best,
Don
K9TTY


On 30 Aug 2011, at 9:15 PM, Duncan Brown wrote:

I came across some old (1945) Teletype Corp. Bulletins  while I was at
the AWA Museum today.  I thought it was just a M14 RO unit (in typing
and non-typing variations), but then I realized the bulletins were
labeled "Reperforator Transmitter Distributor". I took another look for
a "Transmitter Distributor", but didn't see one.

So I had to actually READ the manual and it turns out this "M14RO" also
included a tape reader that could read up to the last character punched
in the tape.

What was the FRDX-3, -4 used for? A regenerative repeater?  How was it a
better repeater than a polar relay?

Thanks,

Duncan

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