Aplex APC-3X17B User Manual page 27

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