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6~2
OPERATION
6.2.1 Starting Your DECmux II
This section assumes that the DECmux II has been installed and configured as
specified in the MUXserver 100 Network Installation Manual, Chapter 3.
To start your DECmux II unit, connect the main power cord and apply main
power. The remainder of the DECmux II start-up process is automatic. The
DECmux II unit will run its internal start-up diagnostic and establish connec-
tion with the MUXserver 100.
If
you have a terminal connected to its supervisor port, the following message
will be displayed:
DECmux II - STARTUP TEST - FIRMWARE VERSION Vx.x-xx
012345678*
The Vx.x indicates the current firmware version installed in your DECmux II
unit. All DECmux II units in your MUXserver 100 Network should be installed
with the same firmware version number.
The series of characters on the next line (that is, 012345678*) indicates the
execution and completion of the sub tests of the DECmux II start-up diagnos-
tic; the
*
indicates conlpletion of the start-up process.
The DECmux II unit will now establish communication with the MUXserver
100.
Your DECmux II unit has now completed its start-up process and is ready for
operation.
6.2.2 Master/Slave
Each DECmux II unit used with the MUXserver 100 must be set up with
SLAVE status. This status can be checked by means of the MAP command
(refer to Section 6.3.6).
In a valid network, there must be exactly one MASTER. The MUXserver 100
is always the MASTER.
The purpose of the network master, is to initiate establishment of the network
and to down-line load the asynchronous port map into each DECmux II unit. If
you initialize your master, the complete network will be reset.
4
CHAPTER 6 OECmux II OPERATION
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