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1.3.4 Asynchronous Ports - Mapping
MAPPING is the concept used to define asynchronous logical links. The default
settings for the multiplexer configurations shown in Figure 1-3 and Figure 1-4
has all 16 asynchronous lines connected to the MUXserver 100 and hence the
LAN. The functional flexibility of the MUXserver 100 and the DECmux II unit
allows for other logical asynchronous link combinations.
U sing the 'MAP' command, the network manager can establish logical connec-
tions other than the default settings outlined above. For example, asynchronous
ports on the first DECmux II unit can be mapped to make logical connections
to a similar number of asynchronous ports on the second DECmux II unit. The
remaining ports on the two DECmux II units will still be mapped and con-
nected to the MUXserver 100 and the LAN. See Chapter 5, Section 5.16
(MAP) for details of the MAP command.
1.4 THE SERVER MANAGER ENVIRONMENT
The server manager is the person responsible for the operation of the
MUXserver 100, the DECmux II units, the conlposite link communication
links, and the remote asynchronous terminals.
As the server manager, you can make certain that each terminal user has
ready access to the network services he or she requires.
Four broad categories of tasks can be assigned to the server manager:
•
Setting up the MUXserver 100, the DECmux II units and their net-
wor k terminals.
•
Managing the routine operations of the server DECmux II units and
terminals.
•
Monitoring the status and utilization of the MUXserver 100, compos-
ite links, DECmux II units, terminals, network nodes and Ethernet.
•
Troubleshooting the MUXserver 100, DECmux II units, composite
links and terminals.
8
CHAPTER 1 THE MUXserver 100 ENVIRONMENT
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