Marc, Specifically what 212A specs are you looking for? I have the following and may have more. I just need to search my archives. I at one time had all including the transmit, receive filter, modulation and demodulation specs. I'll look in my archives. All these archives are in hard copy, so its a manual search.
Bell System Technical Reference Data Set 212A Interface Specification January 1978 AT&T Compatibility Bulletin No. 109 Subject: Compatibility Cirteria for Data Set 212A Issue: 3 Sept. 8, 1977 Also Technical Advisory No. 20 Jan. 26, 1997 (It covers much the same material as CB 109) Duane Marcroft Telecom Consultant On Fri, 30 Aug 1996, Marc Decre wrote: > Hello, > > I'm looking for the original Bell300 en Bell212A modem standards. > Were can I find these ? > > Marc Decre >
