C-DOS scheme!!!

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║ Area : Netmail.My (Forwarded by Michael Markowsky using timEd 1.10)
║ From : Tyukaev Eugene Vladimirovich (2:5020/400)
║ To : Michael Markowsky (2:5020/378)
║ Date : Fri Sep 19, 11:26
╙─

To: fido7-zx...@fido7.ru
From: eug...@mavlin.vt.rovno.ua (Tyukaev Eugene Vladimirovich)

Hi All!

here was a C-DOS modem circuit flying by just now, so can anyone tell me
what kind of trans is there and what transistors to put there???

I would be very grateful!

SY Eugene