Serial to Ethernet module USR-TCP232-T24 series
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Jinan USR IOT Technology Limited
Page 17 of 53
2.4.
2.4.
2.4.
2.4.2
2
2
2 Hardware
Hardware
Hardware
Hardware Description
Description
Description
Description
2.4.21
2.4.21
2.4.21
2.4.21 Pin
Pin
Pin
Pin Description
Description
Description
Description
There are two leds in RJ45 connector, one is green, and the other is yellow. And 1 power led.
LED
Name
Description
red
Power
Light When Power on
green
Link state
Light when 100Mbps network linked
yellow
Data transfer
Blink when there is data in or out
2.4.22
2.4.22
2.4.22
2.4.22 Interface
Interface
Interface
Interface Description
Description
Description
Description
Power
Power
Power
Power iiiinterface
nterface
nterface
nterface
DC5V power supply, you can make the B-type USB or 3.81mm pitch terminal blocks, terminal block
power.
RS232
RS232
RS232
RS232 interface
interface
interface
interface
RS232 use 9 pin female (hole), only 3 pins in use, others are NC, the detail is below.
R
XD
T
XD
G
N
D
5 4 3 2 1
9 8 7 6
ID
Mark
Description
2
TXD
RS232 Send of module
3
RXD
RS232 Receive of module
5
GND
Ground
We can offer two kinds of serial cables, if needed, please choose to buy:
Male to Female direct serial cable: connect serial server and the computer directly to debugging and
Testing.
Male to Male and Cross Pin2 and Pin3 serial cable: used to connect RS232 serial port server and
general user equipment.