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21
SMART-BEE User’s Manual Document Revision v.1.2
2.1.2. List of Jumpers
The table below lists the function of various jumpers.
Label
Function
JP1
3.3V/5V LCD Signaling Voltage
JP2
RS232/RS422/RS485 Setting for SER0
(UART0)
JP3
Hardware Reset
JP4
External WatchDog Timer
2.1.3. Jumper Settings
The following tables describe how the jumper shunts to various
configurations.
JP1: Location on Board, G2
JP1
3.3V/5V LCD Signaling Voltage
Setting
Function
JP1 (1-2)
3.3V
JP1 (2-3)
5V
JP2: Location on Board, A1
JP2
RS232/RS422/RS485 Settings
Setting
Function
JP2 (1-2)
RS232
JP2 (3-4)
RS422/RS485 half duplex
JP2 (5-6)
RS422/RS485 full duplex