[TUHS] TUHS Digest, Vol 14, Issue 63
schily at schily.net
Wed Jan 18 00:21:54 AEST 2017
Doug McIlroy <doug at cs.dartmouth.edu> wrote:
> The highest levels of AT&T were happy to carry digital data, but
> did not see digital as significant business. Even though digital T1
> was the backbone of long-distance transmission, it was IBM, not
> AT&T, that offered direct digital interfaces to T1 in the 60s.
Was T1 a "digital" line interface, or was this rather a 24x3.1 kHz channel?
How was the 64 ??? Kbit/s interface to the first IMPs implemented?
Wasn't it AT&T that provided the lines for the first IMPs?
I was always wondering how they could provide such a "high speed" line in the
I hope somebody knows this....
EMail:joerg at schily.net (home) Jörg Schilling D-13353 Berlin
joerg.schilling at fokus.fraunhofer.de (work) Blog: http://schily.blogspot.com/
URL: http://cdrecord.org/private/ http://sourceforge.net/projects/schilytools/files/
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