Review of "Data Communications Components: Characteristics, Operation, Application, by Gilbert Held", Hayden Books, 1979
Blake Ives · ACM SIGMIS Database the DATABASE for Advances in Information Systems · 1980
Did you ever wonder whether a multiport modem was more appropriate than a standard modem interfaced to a timedivision multiplexor? For that matter, have you ever heard of a multiport modem? Well Gilbert Held has and he describes it and 24 other data communications components in this handy reference.