Advanced Modem Concepts
E-5
Issue 2 May 1995
Figure E-1. Modem-to-Computer Flow Control
In turn, Modem B can use V.42 or MNP flow control techniques
(if using error control), or it can send an XOFF to Modem C to
stop data flow (if using modem-to-modem flow control). This is
illustrated in link B—C of computer-to-modem flow control in
Figure E-2.
Figure E-2. Various Flow Control Methods