Usr USR-TCP232-T User Manual

RS232 Serial TTL UART TO Ethernet TCPIP convert Module www.usr.cn
Jinan USR Technology Co., Ltd. Page 8 of 26 sales@usr.cn
3.
3.
3.
3. Hardware
Hardware
Hardware
Hardware Description
Description
Description
Description
3.1
3.1
3.1
3.1 LED
LED
LED
LED status
status
status
status
There is two leds in RJ45 connector, one is green, and the other is yellow.
LED name description
green Link state Light when 100Mbps network linked
yellow Data transfer Blink when there is data in or out
3.2
3.2
3.2
3.2 Pin
Pin
Pin
Pin description
description
description
description
pin name description
VDD Power 1 4.5~5.5V
VCC Power 2 3.3V
GND GND Power and Communications Ground
RST Reset pin 200ms GND reset the module
TXD UART t ransmission pin 5v tolerance
RXD UART receive pin 5v tolerance
CFG Configure pin
Configure mode when this pin GND, normal mode
when VCC or idle
3.3
3.3
3.3
3.3 Connection
Connection
Connection
Connection Diagram
Diagram
Diagram
Diagram
USR - TCP 232 - T
RS 232 to Ethernet
1
2
3
6
MCU
51
51
51
51 ,
,
,
, AVR
AVR
AVR
AVR ,
,
,
, PIC
PIC
PIC
PIC ,
,
,
, ARM
ARM
ARM
ARM
VCC
VCC
GND
GND
GND
GND
RXD
RXD
RXD
RXD
TXD
TXD
TXD
TXD
GND
GND
GND
GND
TXD
TXD
TXD
TXD
RXD
RXD
RXD
RXD
Tx
Tx
Tx
Tx +
+
+
+
Tx
Tx
Tx
Tx -
-
-
-
Rx
Rx
Rx
Rx +
+
+
+
Rx
Rx
Rx
Rx -
-
-
-

Usr USR-TCP232-T Specifications

General

Brand	Usr
Model	USR-TCP232-T
Category	Media Converter
Language	English