S erial to Ethernet module USR-TCP232-T24 series http://en.usr.cn
Jinan USR IOT Technology Limited Page 23 of 53 tec@usr.cn
2.6.2
2.6.2
2.6.2
2.6.2 Hardware
Hardware
Hardware
Hardware Description
Description
Description
Description
2.6.21
2.6.21
2.6.21
2.6.21 LED
LED
LED
LED status
status
status
status
There are two leds in RJ45 connector, one is green, and the other is yellow. And 1 power led.
LED N ame D escription
green Power Light When Power on
green Link state Light when 100Mbps network linked
yellow Data transfer Blink when there is data in or out
2.6.22
2.6.22
2.6.22
2.6.22 Interface
Interface
Interface
Interface Description
Description
Description
Description
Power
Power
Power
Power i
i
i
i nterface
nterface
nterface
nterface
DC5V power supply, you can make 5.5 * 2.1 standard power supply, power input with TVS protection
products.
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 X D
T X D
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 lines, if needed, please choose to buy:
1. Male to Female direct serial cable: connect serial server and the computer directly to debugging and
Testing.
2. Male to Male and Cross Pin2 and Pin3 serial cable: used to connect RS232 serial port server and
general user equipment.
Note:
Note:
Note:
Note:
You
can DB9-9 feet supply. The PCB pads jumper need it with the power input a positive
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