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2x 422/485 USB


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Isolated USB to 2-Port RS232 / 422 / 485 Serial DB-9 Adapter
Isolated RS232 / 422 / 485 Serial Signal, The CM-422485DB-i2 Isolated USB to 2-Port serial interface adapter features 2.5kV isolation to ensure 2 serial devices by DB-9 port connected require long range or multi-drop.
Part No. CM-422485DB-i2 | View Details
$129.99
USB-2COM-SI-M - 2-Port RS-232 USB-to-Serial Adapter, with Optical-isolation and Surge Protection, Metal Case

USB-2COM-SI-M - 2-Port RS-232 USB-to-Serial Adapter, with Optical-isolation and Surge Protection, Metal Case

...

Part No. USB-2COM-SI-M | View Details
$149.89
USB2-4COM-SI-M - 4-Port RS-232 USB-to-Serial Adapter, with Optical-isolation and Surge Protection, Metal Case

The USB2-4com-si-m 4 port USB to RS232 DB9 Serial port has Optical Isolation and Surge Protection all housed in a professional Metal Case that can be Surface mounted. Great for Labs, Medical applic...

Part No. USB2-4COM-SI-M | View Details
$199.89
USB-2COMi-M USB to Dual RS422/RS-485 Industrial Adapter

VScom USB-2COMi-M USB to 2 RS422/485 ports adapter

Serial ports on USB allow further use of existing devices, even when the computer doesn't offer serial ports. The high speed serial ...

Part No. USB-2COMi-M | View Details
$90.25
USB to Dual Serial port converter with DB9 connectors. RS-422/RS-485 Optical Isolation & Surge Protection

USB-2COMi-SI-120V (120 volt, 60 hz version):
USB to dual serial port converter with DB9 (9-pin male) connectors. RS-422/RS-485)
Comes with a USB cable & power supply (120 volt, 60...

Part No. USB-2COM-I-SI | View Details
$149.89
USB to dual serial port converter with DB9 (9-pin male) connectors. RS-422/RS-485
USB-2COMi l Adds two high speed RS-422/485 ports via USB connection. l 384 byte receive buffer. l 128 byte transmit buffer for high data throughput. l Auto transmit buffe...
Part No. USB-2COM-I | View Details
$99.89