4 Each Component Function
PT-E731, PT-E731S, PT-E731H, PT-E731HS User’s Manual
31
USB Port: USB
This product is equipped with 4 port for USB 2.0 interface.
Table 4.4 USB Connector
Function
Pin No.
USB1,2 USB3,4
1 USB1_VCC
USB3_VCC
2 USB1-
USB3-
3 USB1+
USB3+
4 USB1_GND
USB3_GND
5 USB2_VCC
USB4_VCC
6 USB2-
USB4-
7 USB2+
USB4+
1
4
3
2
5
8
7
6
8 USB2_GND
USB4_GND
Serial Port Interface: COM2 – 3
Serial Port COM2 (RS232C)
This product has a serial port that corresponds to RS232C,
Table 4.5 Serial Port Connector (COM2)
Connector used
on the product
D-sub9 pin, male
1
6
23
45
78
9
Pin No.
Function
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
Содержание PT-E731
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