ACR8010 Hardware Manual
P/N PM08121
22
ACR8010 MOTHERBOARD JUMPERS
Battery Enable Jumpers (JP2 and JP3)
These two jumpers enable or disable the batteries on the ACR8010 Motherboard. A
primary 1000mA-Hr Lithium (LI) coin battery is provided on the board (BT1 – User-
Replaceable). A 50mA-Hr rechargeable Vanadium-Lithium (VA-LI) battery is also
provided as a short-term secondary back-up source (BT2 – Factory Replaceable Only).
This allows for continued back-up of the user memory during replacement of the primary
battery.
The factory default jumper settings are set to disconnect the batteries from the
circuit. This prevents the battery power from draining during shipping. The
jumpers must be moved to the Battery Load Enable positions for normal battery
back-up operation.
Battery Selection Jumpers
Battery Type/Function
JP2
JP3
Battery Load Enable (BT1 and BT2 installed)
1-2
1-2
Battery Load Enable (BT1 only installed)
2-3
1-2
Battery Load Disable
2-3
2-3
Table 2.7
ACR8010 Battery Selection Jumpers
Refer to Figure 1 for jumper location.
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