Serial to Ethernet module USR-TCP232-T24 series
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Jinan USR IOT Technology Limited
Page 14 of 53
2.
2.
2.
2.3
3
3
3.2
.2
.2
.2 Hardware
Hardware
Hardware
Hardware Description
Description
Description
Description
2.
2.
2.
2.3
3
3
3.21
.21
.21
.21 Pin
Pin
Pin
Pin Description
Description
Description
Description
Pin
Name
Description
Pin
Name
Description
1
TX+
Transceiver Data+
A breach here
2
TX-
Transceiver Data-
23
NC
3
RX+
To RJ45 Pin3
22
NC
4
RX-
To RJ45 Pin6
21
NC
5
Data_LED
Link to yellow Led and
through a resistance to
VCC
20
NC
6
TXD
Transmit data
19
NC
7
RXD
Receive data
18
ISP
For Update
8
RTS
RS485 enable pin
17
NC
9
CFG
Config enable port for
RS232 Config
16
3.3V
DC3.3V input and5V use
1 is ok.
10
RST
Reset pin, 200ms low
for reset
15
LINK
Link to green Led and
Through a resistance to
VCC
11
GND
To GND
14
5V
DC5V input@200mA
12
GND
To GND
13
5V
DC5V input@200mA
2.3.22
2.3.22
2.3.22
2.3.22 LED
LED
LED
LED status
status
status
status
USR-TCP232-D Red LED, If the indicator is energized, the module power input is correct.
