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Chapter 2: Jumpers and Connectors
Power Input Voltage Selection & iButton/RFID Security On/Off
Connector location: SW2
1 2
POWER SW
12V24V
(Pin2)
(Pin1)
OFF
OFF
OFF
ON
ON
ON
ON
OFF
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Function
12V
24V
9-60V
SECURITY OFF
Battery Connector
Connector size: 2x6 12-pin header, 2.0mm pitch
Connector location: CON17
12
2
11
1
Pin
Definition
1
BTA_SDA
3
BATT-
5
BATT-
7
BATT-
9
BATT-
11
INSERT DETECT
17
Pin
Definition
2
BTA_SCL
4
BATT+
6
BATT+
8
BATT+
10
BATT+
12
BAT_DISABLE
VMC 3020 User Manual
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