AT&T PC 6300 - Page 619

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APPENDIX A: SWITCHES AND JUMPERS
The jumper setting for the DEB are shown in Figure A-28.
JUMPER
LOCATION
JUMPER
SETTING
JUMPER FUNCTION
A
*Closed
Open
No monitor connected to VDC
Monitor connected to VDC
B
♦Open
Closed
Indicates displacement of
internal addressing
For future use
C
*1 to 2
2 to 3
PC 6300
For future use
D
*1 to 2
Provides signal
synchronization
* Default Settings
Figure A-28. DEB Jumper Settings and Functions
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A-37
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