Specifications

14.9
Speaker
Coefficients
CPU
14.10
Board and
Certain models of Comdial digital telephones have performance
characteristics that can be modified by using this section of
diagnostics. Do not attempt to modify any of the values found in this
section unless you have been directed to do so by a Comdial
.
technician; doing so could severely impact the performance of the
associated telephone. Once modified, these values remain in the
telephone’s permanent memory and are not affected by a DXP master
clear.
This section displays the current settings of the eight DIP switches on
the DXP CPU board. This screen updates simultaneously as the
switches are changed. This diagnostic is useful for determining the
DIP Switches 1
status of the switches from a remote location.
The current switches used are as follows:
l Switch l-Fixes serial port baud rates to known values
l Switch ‘I-Initializes DXP Modem-sets auto answer, for
example. Switch should always be on to ensure that the DXP will
re-initialize the modem after a loss of power or reset.
Port 1 9600 9600 8 1 None
None
Port 2 300 300 7 2 None
None
l Switch %-Used for DXP software upgrades. Automatically
performs a master clear when a different revision of software is
detected upon power up. If the software is changed to a different
revision and this switch is not “on,” the system won’t run.
14 - 4 Diagnostics