W&T connects
Interfaces for TCP/IP, Ethernet, RS-232, RS-485, USB, 20mA, glass and plastic fiber optic cable, http, SNMP, OPC, Modbus TCP, I/O digital, I/O analog, ISA, PCI
Data sheet:

RS232 T-Box

  • RS232 T-box

Connecting three RS232 devices

The T-Box connects three devices having RS232 ports with each other and includes two ports with DTE configuration and another with DCE pinout. Data transfer is either from one of the DTE terminals to the DCE port or in the reverse direction from the DCE terminal to both DTE ports.



  • 3x RS232, 25-pin SUB-D connector
    • 2x DTE pinout
    • 1x DCE pinout

Management and Connectivity:

  • Automatic T-switch connection between 3 RS232 devices
  • Cascadable
  • No external power supply required

Standards & more

  • Conforms to standards both in office and industrial environments:
    • High noise resistance per EN 61000-6-2
    • Low noise emission per EN 55032:2015 + A1 Cl. B, EN 61000-3-2 & EN 61000-3-3
  • 5 year guarantee

Technical data

Connections and displays:

  • Inputs:
    • 2x 25-pin SUB-D socket, DTE assignment
  • Output:
    • 25-pin SUB-D plug, DCE assignment
  • Baud rate:
    • 0 to 115200 Baud
  • Data format:
    • any format
  • signals:
    • RxD, TxD, CTS, DTR
  • Power supply:
    • through the RS232 signals,
    • no power adapter required
  • Current consumption:
    • approx. 0.5mA per RS232 input

Housing and other data:

  • Housing:
    • Plastic housing, 63 x 54 x 16mm
  • Weight:
    • approx. 150g incl. cable
  • Ambient temperature:
    • Storage: -40 .. +70°C
    • Operation: 0 .. +70°C
  • Permissible relative humidity:
    • 5..95% RH (non-condensing)
  • Scope of delivery:
    • 1x RS232 T-box

* Our offering is intended only for commercial users. We will be happy to refer private end customers to trading partners through whom our products can be purchased.