SENA ProBee-ZE20S - Manual (Page 49)

49 ProBee-ZE20S User Guide Rev.1.10
Figure 6-1 Development Board Layout
6.3 Development Board Hardware Descriptions
6.3.1 Power
There are four ways to supply power to the development board:
 5V Power Adapter
 USB Port
 Batteries (AA 1.5V x 4)
 RS232 Port (5V through 9 th Pin)
The PWR_SEL(JP1) jumper MUST be configured properly according to the way to supply power. Table 6-
1 shows jumper configuration.
Table 6-1 Jumpers Configuration
6.3.2 RS232 Port
The development board has an RS232 interface for UART communication. The UART_TXD, UART_RXD,
UART_DSR (GPIO_1), UART_DTR (GPIO_2), UART_CTS (GPIO_3) and UART_RTS (GPIO_4) pins of
5V Power Adapter Batteries USB Port RS232 Port
P
W
R
_
S
E
L
DB9
USB
BATT
DC5V