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Configuration changes for the entire Model 24SII DES are made
through the master configuration port which is Port 1 of Module 1. Port
1 of Module 1 must always be a serial port to allow configuration to
occur. The master configuration port has access to the configuration
of all ports on the Model 24SII DES and can program all options of the
configuration mode one module at a time.
A serial computer connected to a port other than Port 1 of Module 1
may access configuration mode and configure ports on its module
only. However, configuration changes are limited; several options -
Port Designation, Port Select Code, I.D. Page Message, and I.D.
Page Printing Schedule - may be made only through the master
configuration port.
Before the master configuration port can access the configuration
mode, all ports on the Model 24SII DES must be inactive (i.e. all red
LEDs must be off) and there can be no print jobs in the buffer. Once
the master configuration port has accessed the configuration mode,
the LEDs for Port 1 of Module 1 and the LEDs for the selected module
will illuminate and will remain illuminated while configuration is
occurring. All devices connected to the selected module for
configuration will be unable to communicate with the Model 24SII DES
while configuration of that module is occurring.
Before a computer not connected to the master configuration port can
access configuration mode, the LEDs for its module must be out (i.e.,
no activity on the module) and there can be no print jobs in the buffer
for any port on that module. Once the computer has accessed
configuration mode for its module, the LEDs for that module will
illuminate. All devices connected to the module will be unable to
communicate with the Model 24SII DES while configuration for the
module is occurring.
NOTE: Parallel computer ports may not be used for configuration, as
communication is only one-way.