Serial to Ethernet module USR-TCP232-T24 series
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Jinan USR IOT Technology Limited
Page 24 of 53
connection for the serial sensor supply via the serial line or external power to the device is not turned on by
default.
RS485
RS485
RS485
RS485 interface
interface
interface
interface
RS485 has two lines A(data+) and B(data-), 120 Ohms Termination Resistance on board.
Notice:
Notice:
Notice:
Notice:
this module user Jumpers to change work for RS232 or RS485, by default it work at RS232
mode.
RJ45
RJ45
RJ45
RJ45 internet
internet
internet
internet interface
interface
interface
interface
Auto detected 10M/100M RJ45 interface, support AUTO MDI/MDIX, that is to say you can use crossover
cable or a straight cable to connect it to PC for test.
Pin
Name
Description
1
TX+
Transceiver Data+
2
TX-
Transceiver Data-
3
RX+
Receive Data+
4
n/c
Not connected
5
n/c
Not connected
6
RX-
Receive Data-
7
n/c
Not connected
8
n/c
Not connected
