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Principles of Operation
4-213610-A2-GB41-60 March 1999
Multichannel Multipoint
The MCMP capability reduces the number of parallel
multipoint digital private lines required by independent
applications. Merging applications onto a single
communications circuit reduces line, DCE, and
maintenance costs (Figures 4-16 and 4-17). The
3600 Series DSUs with MCMP operating in MCMP mode
can support up to six independent applications over a
single 56 kbps standard multipoint digital facility.
The MCMP capability provides up to six user-
selectable full-duplex channels, plus a channel for
diagnostic transport. Any of the user-selectable channels
can be assigned to any of the six ports (e.g., Channel A
assigned to Port 3). By assigning channels to ports at both
the control and tributary DSUs, an independent (virtual)
multipoint circuit can be built for each channel.
Figure 4-16 shows three independent banking
applications designated AA, BB, and CC that are
operating over three parallel DDS multipoint circuits.
Figure 4-16. Typical Parallel Networks