Multifunctional serial to Ethernet module user manual http://en.usr.cn
Jinan USR IOT Technology Co., Ltd tec@usr.cn
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3.1.3.
3.1.3.
3.1.3.
3.1.3. LED
LED
LED
LED status
status
status
status
Except for Link and Data of RJ45, there is one work LED interface
ID name
Description
1 Work
Just interface, have no LED on module,
If you needed, take this pin with LED and 510 ohm
resistor to GND.
See Pin8 for further explantion.
2 Link(green) On RJ45, when ethernet link established, on.
3 Data(yellow) On RJ45, wnen ethernet data communicate, twinkle.
Diagram 3 - 2 LED definition
3.1.4.
3.1.4.
3.1.4.
3.1.4. Serial(TTL)
Serial(TTL)
Serial(TTL)
Serial(TTL) interface
interface
interface
interface
The serial port is TTL level ( 2 * TTL serial port, can be directly connected to MCU ) .
number name Description
1 TXD0 Uart0 transmit data pin
2 RXD0 Uart0 receive data pin
3 CTS0 Uart0 RS232 clear to send
4 RTS0 Uart0 require to send
5 RXD1 Uart1 receive data pin
6 TXD1 Uart1 transmit data pin
Diagram 3 - 3 connector interface(include uart0 and uart1)
3.2.
3.2.
3.2.
3.2. USR-TCP232-ED
USR-TCP232-ED
USR-TCP232-ED
USR-TCP232-ED
3.2.1.
3.2.1.
3.2.1.
3.2.1. Hardware
Hardware
Hardware
Hardware
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