AT&T 6300 Service Manual page 163

INSTALLATIONS
16. The four jumper locations on the DEB and their functions
are shown for information purposes only in Figure 3-51.
Except for jumper location A (Step 15), the remaining
jumpers are already at their default setting and do not
require resetting.
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 3-51. DEB Jumper Settings and Functions
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