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VT-SBC35-APL | User Manual 20
2.4.8
J20/J21 RS232/RS422/RS485 (8)
Specification: 2 x 5, 2.0mm, 5.5mm (H), Male, Vertical, Black, WDT, THR, RoHS
GUANG LIAN WEI: 1580-2XX-400-2112-RC
RS232/RS422/RS485 pinout description:
Pin
Name
Type
Description
1
DCD1
I0
R
2
RXD1
IO
RS422_TX-
3
TXD1
IO
R
4
DTR1
IO
RS422_RX-
5
GND
P
Ground
6
DSR1
I
RS422_R2IN
7
RTS1
O
RS422_D1OUT
8
CTS1
I
RS422_R4IN
9
RI1
I
RS422_R5IN
10
+V5_S
P
+5V Power
2.4.9
J39 GPIO (9)
VT-SBC35-APL implements 8 GPIOs for external communication or control/collection of
external hardware.
Pinout description:
Pin
Name
Type
Description
1
GPIO_0
IO
3.3V TTL GPIO
2
GPIO_1
IO
3.3V TTL GPIO
3
GPIO_2
IO
3.3V TTL GPIO
4
GPIO_3
IO
3.3V TTL GPIO
5
GPIO_4
IO
3.3V TTL GPIO
6
GPIO_5
IO
3.3V TTL GPIO
7
GPIO_6
IO
3.3V TTL GPIO
8
GPIO_7
IO
3.3V TTL GPIO
9
GND
P
Ground
10
VCC_GPIO
P
3.3 POWER +
Pin 2
Pin 1
