StarTech.com USB to Serial Adapter – 2 Port – RS232 RS422 RS485 – COM Port Retention – FTDI USB to Serial Adapter – USB Serial – Add RS232, RS422 and RS485 support to your laptop or desktop computer via USB – USB to RS232 RS422 RS485 – USB to Serial – USB to DB9 – USB to serial Adapter – USB to serial port SERIAL ADAPTER WITH COM RETENTION
The ICUSB2324852 2 Port USB to RS232 RS422 RS485 Serial Adapter with COM Retention lets you connect every type of serial device to your USB-enabled computer, whether it be for RS232, RS422, or RS485 communication. The adapter features a 9-pin (DB9) male and a 5-pin terminal block serial connector as well as dip-switch controls for easy port configuration with minimal software requirements. The adapter also supports using 2 ports simultaneously, including with mixed protocols; for example RS-232 on port 1, and RS-485 on port 2, or a number of other combinations. For a convenient, and clean installation in office or industrial settings, the RS232/RS422/RS485 USB Adapter is wall-mountable and fully powered via the host USB connection, providing power to the attached serial device without requiring an external power adapter. Backed by a StarTech.com 2-year warranty and free lifetime technical support. More from the Manufacturer
Startech ICUSB2324852
Features
Backwards compatible with USB 1.1
Both ports can function simultaneously with mixed or matched communication protocols
USB-powered; No additional external power adapter required
Includes a bracket for wall mounting the USB to Serial adapter
Features rugged screw-lock USB port to ensure cords are not accidentally disconnected
Ability to rename devices for easy recognition
COM Port assignments maintained after reboot
Port 1 (DB9) configurable for RS232, RS422, or RS485; Port 2 (Terminal Block) configurable for RS422 or RS485
Multiple interface modes, including: 4 wire RS422(TxD+/-, RxD+/-), and 2 wire RS485 (DATA+, DATA-)
Supports RS-485 Auto Transceiver Turn Around by Unique Featured ATTA Hardware
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