Kontron AM4024e - Manual (Page 60)

D R A F T — F O R I N
T E R N A L U S E O N L Y
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User Guide
AM4024(E)
7 RTC Backup Battery Module
This optional battery mezzanine module is provided for applications requiring backup power for the
RTC. It is supplied with up to two parallel-connected 3V lithium batteries. The module is field replace-
able. The batteries themselves are not replaceable. The RTC Backup Battery module utilizes the J7 con-
nector for interfacing with the AMC module.
Note: If the RTC Backup Battery module is installed, the J7 interface is not available for the SATA
Flash module.
7.1 Technical Specif ications
7.2 RTC Backup Batter y Module Layout
Figure 17: RTC Backup Battery Module Layout (Top and Bottom Views)
Table 42: RTC Backup Battery Module Main Specifications
FEATURES SPECIFICATIONS
In
te
rf
ac
e
Board-to-Board
Connector One 34-pin, male, board-to-board connector, J1, for interfacing with the AM4024(E)
B
atte
ry Battery Up to two 3.0V lithium batteries
UL-approved
Gener
al
Temperature Range Operational: - 5°C to + 55°C
Storage:
-30°C to + 60°C
Climatic Humidity 93% RH at 40°C, non-condensing (acc. to IEC 60068-2-78)
Dimensions 70 mm x 28 mm
Board Weight ca. 14 grams
J1
BT1
BT2