Antaira UTS-402CK Industrial 2-Port RS-232 to USB 2.0 Converter

Antaira UTS-402CK Industrial 2-Port RS-232 to USB 2.0 Converter
Model: UTS-402CK
Availability: IN STOCK

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Industrial 2-Port RS-232/422/485 to USB 2.0 High Speed Converter with Locking Connectors

The UTS-402CK is a 2-port RS-232, RS-422 and RS-485 to USB 2.0 serial adapter that is designed for PCs, thin clients and servers. It provide instant serial port expansion via the Universal Serial Bus (USB).  It is equipped with locking screw connectors for the upstream (USB type B) cable and power to prevents accidental disconnection.  The UTS-402CK is ideal for adding serial ports to systems with only USB. 

The UTS-402CK provides the scalability to quickly adapt to new USB technologies. Multiple modules can be added to a single USB interface allowing you to add RS-232 connectivity as needed.  With the USB Plug-and-Play feature, installation is quick and simple.  Plug in the cables and follow the instructions of Install Wizard.  The software will recognize the device and install the drivers automatically.


  • 2 RS-232/422/485 Serial Ports to USB 2.0
  • USB 2.0 High Speed (480 Mbits/Second) and Full Speed (12 Mbits/Second) compatible
  • Supports RS-232, RS-422, 4-Wire and 2-Wire RS-485
  • 2 DB-9 Serial Connectors with TX/RX LEDs
  • USB Screw Lock Power Connector Enhances the Reliability
  • Rigid Metal Case for Critical Applications
  • Baud Rate up to 921.6Kbps
  • Supports 7, 8 Data Bits
  • Odd, Even, Mark, Space, or None parity mode
  • Supports 1 or 2 Stop Bits
  • Supports USB Bus Power
  • Supports Optional DIN-rail Mounting Kit
  • Optional Surge & Isolation protection (-SI)
  • USB cable included


UTS-402CK,      No Surge and Isolation Protection
UTS-402CK-SI,  Surge and Isolation with 2,500 Vrms and 15 KV ESD Protection

TypeUSB Hubs & Adapters
Operating System SupportWindows, Linux
USB Interface
USB VersionUSB 1.0, 1.1 and 2.0
Serial Interface
Serial Ports2 x RS-232/422/485
Baud Rate300bps ~ 921.6Kbps
Data Bits7, 8
Stop Bits1, 2
Input VoltagePower from USB
Surge Protection15KV ESD Protection
Isolation Protection2,500Vrms
CablingScrew Lock Mechanism
EnclosureMetal, IP30 Protection
Dimensions106.8 x 113 x 24.4 mm
Weight0.65 lbs.
MountingDIN-Rail or Wall Mounting
LED IndicatorsTx / Rx Activity
Dip SwitchRS422/485 Setting
Operating Temperature0 to 55°C
Storage Temperature-20 to 85°C
Humidity5 to 95% non-condensing
CertificationsCE, FCC, RoHS
Warranty5 Years