Interfaces and Connectors
Revised May 2011
SB-A510 Rev 1.1
13
3.5
Back-Up Battery
SB-A510 is supplied with a 3V 200mAh Lithium Dioxide coin cell, which powers the CM-A510
RTC whenever the main power supply is not present.
NOTE: The E5 jumper must be installed for RTC back-up support. Please refer to chapter
4.22
for additional details.
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