
APC-3X17B User Manual
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32. MIO1:
(1.25mm Pitch 2x20 Connector),For expand output connector, It provides two RS232
ports or one RS485 port, three USB ports, one power led, one power button, via a
dedicated cable connected to TB-522 MIO1.
Functio
n
Signal Name Pin# Pin# Signal Name Function
COM3
422RX+ 1 2 485+ / 422TX+
COM3
RS422 or
RS485
422RX- 3 4 485- / 422TX-
Ground 5 6 NC
NC 7 8 NC
NC 9 10 5V_S5
COM4
DCD4- 11 12 RXD4
COM4
TXD4 13 14 DTR4-
Ground 15 16 DSR4-
RTS4- 17 18 CTS4-
RI4- 19 20 5V_S5
USB9
5V_USB_9 21 22 5V_USB_1011
USB10
USB9_N 23 24 USB10_N
USB9_P 25 26 USB10_P
Ground 27 28 Ground
Ground 29 30 Ground
USB11
5V_USB_101
1
31 32 PWR_LED+ Power
LED
USB11_N 33 34
PWR_LED-
USB11_P 35 36 MIO_PSON Power
Button
Ground 37 38 Ground
Ground 39 40 Ground
33. MIO2:
(1.25mm Pitch 2x20 Connector), Front panel connector.
Function Signal Name Pin# Pin# Signal Name Function
H_LED+ HDD_LED 1 2 PWR-LED P_LED+
H_LED- Ground 3 4 Ground P_LED-
RESET- Ground 5 6 MIO_PSON- PSON+
RESET
+
RESET 7 8 Ground PSON-
BUZZER+
BUZZER+ 9 10 BUZZER- BUZZER-
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