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Physical and
Virtual
Switches of
Computer
Interface
Modules
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Both the XPAC and XPAB modules support what are known as "Virtual
Switches." This feature is very useful if your XP4000 Series unit is hard to
access. Virtual switches emulate the DIP switch on your XPAC/XPAB module.
A simple keyboard command allows you to change the DIP switch settings
without opening the unit.
Virtual changes to the DIP switch will remain in effect until further software
or physical switch changes are made. When the physical DIP switch is
changed, all virtual switch settings reset to match the physical switches. For a
listing of the DIP switches and their functions, see Appendix D.
To Override All of the Switch Settings
1. Referring to Appendix D, determine how you want your switches set.
2. Write down on a piece of paper how you want SW8 set. Write a 1 for a
switch that is ON and 0 for a switch that is OFF.
3. Repeat step 2 for each remaining switch, SW7 through SW1. When you are
finished, you should have an eight digit code of 0s and 1s, beginning with
SW8 and ending with SW1.
4. Refer to Appendix H. Find the eight digit code in the table that matches
yours and write it down.
5. Use the command, <CM> SW+<Enter> to enable virtual switching.
6. Using the command, <CM> SW=nn<Enter>, replace nn with the code you
obtained from Appendix I.
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