» ALPHA « KEY-PAD TELEPHONE =R=F=T= / GDR (East-)Germany (1987)
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VEB Fernmeldewerk Nordhausen Model 550-14007 / ferro Baujahr 04/87
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The IC/Trans. KEY-PAD generates simulated PULSE DIAL (!) NOT DTMF (*)
!!! Here: [#]-Key REPEAT LAST DIALED NUMBER; [*]-Key DELETE MEMORY !!!
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=R=F=T= (= "Rundfunk- u. Fernmelde-Technik") was the L O G O of the
association of different manufacturer in the field of communication
technology in the former (East-) "German Democratic Republic" (= GDR).
MORE DETAILS & EXPERIMENTS SEE: ALPHA-FERRO, Rotary-Dial Version !!!
R E M A R K S :
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o The CASE-BOTTOM shows the SAME ID as the Rotary-Dial Version
o The PRINT-BOARD is slight different and HAS AN ID = 2031.580-02005/2
o The SHAPE OF THE HAND-SET is different and it has 4 WIRES to connect
o The PLUG WAS BROKEN, repaired with a piece of a RED KNITTING NEEDLE!
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(*)This vintage KEY-PAD TELEPHONE use "PULSE-DIALING". To make it work
in your application, YOU MAY NEED A "PULSE-TO-TONE-CONVERTER"...
Historical Remarks ...
impressum:
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© C.HAMANN http://public.BHT-Berlin.de/hamann 10/13/15
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