Winmate A830 SBC, Руководство пользователя, Страница: 20 / 65

A830 SBC User Manual
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2.4.3 JP13& JP14: RS232 / RS422 / RS485 Selector
The jumper can be configured to operate in RS -232/422/485 mode.

JP13

JP14
2.4.4 JP15: IDE / CF Voltage Selector
JP15 can be configured to operate in 5Volts / 3.3Vol ts mode. Select 5V when connect
to HDD device, and select 3.3V when connect to Compact Flash device.
RS232 RS422/485
1-2 2-3
4-5 5-6
7-8 8-9
10-11 11-12
Pin# Function
1-2 RS 232
3-4 RS 422
5-6 RS 485
Pin# Functions
1 Short 2 5 Volts Selected
2 Short 3 3.3 Volts Selected
1 10
RS232
3 6 9
11
1 4 7
10
RS422 / 485
3 6 9
11
RS232
RS422
RS485
1 2 3
5.0 Volts
1 2 3
3.3 Volts