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NOTE
If
the composite link communications already exists, and it is nec-
essary to change link parameters, it is possible to 'connect' to the
remote DECmux II unit, and make the changes.
If
a link parameter is to be altered, first alter the remote port of
the link with a SYSTEM, SAVE, RESTART sequence; then alter
the local port, and then change the link or modem speed.
[
CA~!I~~:)
Care should be exercised when altering composite link parameters
remotely by means of a CONNECT. On a normal modem link the
speed is determined by the external modem, and the DECmux II
port speed settings nlust match the modem speed exactly.
2.6
SETTING UP THE NETWORK MAP
The mapping concept allows the server manager to modify the logical asynchro-
nous line connections in the network. The factory setting of the MUXserver
100 has all 16 asynchronous lines of the remote DECmux II units mapped to
the MUXserver 100, and, hence, the LAN.
Alternatively you may choose to sacrifice some of the asynchronous lines into
the MUXserver 100 and establish logical asynchronous connection between
ports on one DECmux II unit, and ports on the other DECmux II unit. The
rule which applies is that each asynchronous port on a DECmux II unit must
map to exactly one other port on either the MUXserver 100 or the second
DECmux II unit.
To change the MAP, the server manager needs to be in the 'privilege mode' on
the supervisor port of the MUXserver 100. Alternatively, the MAP can be
changed by connecting to the Supervisor Port from a remote DECmux II unit.
To change the MAP, enter the following sequence.
LOCAL>
SET PRIVILEGE
PASSWORD>
(Enter the 'pr;v;lege' password)
LOCAL>
COMM
COM>
MAP
The COMM command gives you access to the sub-directory of commands which
apply to the composite links and remote DECmux II units. Enter HELP for a
listing of the available commands or see Chapter 6, Section 6.3
(COMMUNICATIONS).
20
CHAPTER 2 SETTING UP THE MUXserver 100 AND ITS TERMINALS
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