● Modbus Gateway: Modbus RTU to Modbus TCP,
● Redundant Power Supply
● Serial Port No.3
● Support TCP server/client, UDP server/client, https client, Virtual COM
● Support RS-485 enable pin of an external RS-485 transceiver
● Wide voltage input range DC 3.3-5V
● Flow control XON/XOFF
● Configuration via Web Server page, AT commands, and Windows

Aliexpress

USR-TCP232-M4_V2.3.4.106

USR-TCP232-Test-V1.3

USR-VCOM_V3.7.2.529_Setup

VCOM_Setup_EN_V4.0.6.4

Socket_Demo