LEC-7233 User Manual
19
USB2/USB3:
USB2.0 Type-A Connectors in double-stacked form
Pin
Description
1
USB_VCC1
2
-USB
3
+USB
4
GND
0
USB_VCC2
6
-USB
7
+USB
8
GND
DIO:
2x5-pin Digital I/O terminal block with 4 x DI and 4 x DO
Pin
Signal
Pin
Signal
1
DI_0
2
DO_0
3
DI_1
4
DO_1
5
DI_2
6
DO_2
7
DI_3
8
DO_3
9
V5S
10
GND
COM1/COM2
: 2x DB9 Serial COM ports with RS-232/422/485
Pin
Signal
Pin
Signal
1
Data Carrier Detect (DCDA#)
2 Received Data (RXDA)
3
Transmit Data (TXDA)
4 Data Terminal Ready (DTRA#)
5
Ground (GND)
6 Data Set Ready (DSRA#)
7
Request To Send (RTSA#)
8 Clear To Send (CTSA#)
9
Ring Indicator (RIA#)
Pin
RS-232
RS-422
RS-485
1
DCD
TX-
DATA-
2
RXD
TX+
DATA+
3
TXD
RX+
4
DTR
RX-
5
GND
6
DSR
7
RTS
8
CTS
9
RI
USBB2/3
5
8
4
1