Ring Relay #1, from the years 1995 and 1998

Ring Relay #1, from the years 1995 and 1998, 2
T:  picture 1, left

"TELE" is the signal input from the telephone network.


T:  picture 1, middle

Obstructs interferences   Amplification


T:  picture 2, top

POWER SUPPLY, RING RELAY


T:  picture 2, bottom

The adjustment of Uut
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