4x Serial USB
USB to Serial 4-Port Adapters offering solutions in cables, compact housings, and rugged metal solutions with 4 DB9 or Terminal Blocks to interface with your R-S232, RS-422 or RS-485 devices. Offering many styles from Consumer, Professional, and industrial solutions depending on your requirements. Providing a variety of mounting styles Desktop, Din Rail and Surface mount.


USB to 4 RS-422/485 Serial Port Converter w/ DB9 (9-pin male) Connectors
OS Compatibility


Volume Pricing

4-Port USB to Serial Adapter COM Retention FTDI Chipset 920K Baud Rate
OS Compatibility





Volume Pricing

4 Port USB to RS485 High Speed Adapter w/12V DC Power Supply
OS Compatibility






Volume Pricing

4-port USB to RS232 Adapter FTDI FT4232H & ZyWyn
Volume Pricing


USB to RS232 Converter 4-port
Volume Pricing

USB Industrial 4-Port Serial RS-232 w/FTDI Chipset, RX/TX LED Indicators
Gearmo USB 4 Port Serial RS232 featuring FTDI Chipset with LED Indicators Industrial Version
- 4x DB9 Serial Ports
- Power, RX, TX, LED Indicators
- Surface/Wall and DIN Rail mounting brackets included
- Supports Self Power and Variable Voltage input 9 ~ 48V
- Rugged Metal Chassis
OS Compatibility






Volume Pricing

4 port RS232 to USB FTDI chip adapter with RX and TX Status LED
- RXD, TXD Status LED Array
- Easy Plug and Play installation
- USB interface: standard Type A female
- Baud rates up to 921.600bps
OS Compatibility





Volume Pricing

SerialGear USB to serial 4 Port DB-9 RS-232 Adapter with FTDI Chip
OS Compatibility






Volume Pricing

4-Port DB-9 RS232 to USB Adapter with Isolation and Surge Protection
OS Compatibility




Volume Pricing

Professional Quad Port USB to Serial DB-9 RS-232 Adapter
OS Compatibility





Volume Pricing

USB 4-Port Serial Adapter / USB 2.0 Quad Port Serial DB-9 RS-232
OS Compatibility






Volume Pricing


4-Port USB to RS-232 DB9 Serial Adapter w/ Prolific Chipset
OS Compatibility



Volume Pricing

USB-4COMi-M USB to Quad RS-422/485 Metal case with DIN-Rail
OS Compatibility






Volume Pricing

4-Port USB to RS-232 w/ Optical-isolation, Surge Protection, Metal Case
OS Compatibility






Volume Pricing

USB-4COMi-SI-M USB to Quad RS-422/485 Metal case with DIN-Rail
OS Compatibility






Volume Pricing

USB 2 to Industrial 4-Port RS232-422-485 Serial TB Adapter
OS Compatibility





Volume Pricing

USB 2.0 to 4-Port RS232-422-485 Serial TB Adapter Isolation | Surge
OS Compatibility





Volume Pricing

10ft. USB 4 Port Serial Adapter USB 2.0 Quad Port Serial DB-9 RS-232
OS Compatibility




Volume Pricing

USB 4 Port Serial DB-9 RS-232 Adapters with Prolific Chipset
OS Compatibility




Volume Pricing

4-Port USB DB-9 Serial Adapter Solution for Windows Operating Systems
OS Compatibility





Volume Pricing

4 Port USB to Serial DB9 Industrial RS232 Adapter 15KV ESD and Surge
OS Compatibility



Volume Pricing

6ft. USB 4-Port Serial Adapter / USB 2.0 Quad Port Serial DB-9 RS-232
OS Compatibility




Volume Pricing


4-Port Compact Industrial USB to RS-232 w/ 1m Octopus Cable & DIN Rail
OS Compatibility





Volume Pricing


4-Port USB to RS-232 Serial DB9 Adapter Cable w/ FTDI Chip, TX/RX LED Indicators
OS Compatibility




Volume Pricing

4 Port USB to Serial Adapter RS-232 with FTDI Chip for VIsta and XP
OS Compatibility






Volume Pricing