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COMSPHERE 3600 Series Data Service Units
4-22 March 1999 3610-A2-GB41-60
At the control DSU, each application in Figure 4-16 is
given its own channel (A, B, or C), and the channels are
assigned to Ports 1 through 3. At each tributary (branch)
location, Channel A is assigned to Port 1, allowing the
teller workstations connected to this port to access
application AA; Channel B is assigned to Port 2, allowing
the ATMs connected to this port to access application BB;
and Channel C is assigned to Port 3, allowing the security
systems connected to this port to access application CC.
Figure 4-17 shows how the three independent
applications can be combined via the MCMP capability to
operate over one DDS 56 kbps multipoint circuit.
A simple channel-to-port assignment allows a teller
workstation, an ATM, or an additional security system to
be added at any one of the branch locations (e.g.,
assigning Channel A to any of the unused ports at Branch
Site 1 allows an additional teller workstation to be added
at that location), as shown in Figure 4-17.
Figure 4-17. Applications Combined on One DDS Multipoint Circuit with MCMP