4x Serial USB

Connect 4 new or additional Windows COM ports through this FTDI, the USB to serial adapter outputs are automatically configured once connected to give you an easy plug-and-play installation.

The USB to RS-485 adapter installs automatically once connected to a USB port. When a serial device is connected to it, it will check for a fail signal indicated by a RED LED. With many application uses, this USB to RS-485 serial adapter is mountable and includes an attached USB cable.

The CG-4X232FTDI is a 4 Port RS232 to USB 2.0 serial adapter cable that is designed for PC, thin client, or server to provide instant COM port expansion via the Universal Serial Bus (USB).

Gearmo USB 4 Port Serial RS232 featuring FTDI Chipset with LED Indicators Industrial Version

4 Port USB To Serial Adapter with Rx / TX Indicators easily adds 4 standard serial ports to your desktop, laptop or other mobile device and fully supports Windows 11.

• RXD, TXD Status LED Array
• Easy Plug and Play installation
• USB interface: standard Type A female
• Baud rates up to 921.600bps

2 Port USB-C to Serial adapter with RX/TX LED Indicators easily adds 2 standard serial ports to your desktop, laptop or other mobile device and fully supports Windows 11.

• RXD, TXD Status LED Array
• Easy Plug and Play installation
• USB interface: standard Type-C female
• Baud rates up to 921.600bps

4 Port USB-C to Serial adapter with RX/TX LED Indicators easily adds 4 standard serial ports to your desktop, laptop or other mobile device and fully supports Windows 11.

• RXD, TXD Status LED Array
• Easy Plug and Play installation
• USB interface: standard Type-C female
• Baud rates up to 921.600bps

Add a 4 Port RS232 to USB adapter to your system without having to configure it! The USA-FTDI4x-NUT USB to Serial Adapter protects your devices from ESD and high voltage spikes and other electrical surges that may cause damage.

• Automatic handshaking
• 3ft. cable connection
• Compatible with serial office equipment

USB bay docking USBG-BAY4 serial adapter box supports Windows 7 and Vista (32 and 64-Bit) RS232 Port X 4 feature a rugged metal enclosure! Multiple modules can be added to a single USB interface allowing you to add RS232 connectivity as needed.

4-x port RS232 to USB adapter with isolation and surge protection each serial ports offer data transfer rate up to 920 Kbps for high system performance. Users are able to connect multiple serial devices through one USB port on their system.

USB 2.0 quad port serial DB-9 RS-232 adapter box is designed to make serial port expansion quick and simple. It instantly adds four RS-232 serial communication ports to your system with no conflicts with FTDI Chipset

Windows 10 mountable 4-port serial cable adapter helps expand to four DB-9 connections from an available USB host port. The USB to serial adapter uses the FTDI FT232RL Chips, Mutli TT USB 2.0 GL852 Chip and ZT213LFEA Zywyn Corporation to achieve its high speed output.

USB-4COMi-M USB to Quad RS-422/485 Serial Adapter for Windows 10, 8, 7 and Server 2003/2008 is housed in a metal chassis to protect the item. External dip switches to easily configure the item.

Optical isolation and surge protection are available on serial port and is individually optically isolated with 2000 volt DC optical isolation on 8 signal pins, GND is isolated by 5V DC-to-DC converter. The optical isolation protects your computer from spikes and surges.

Optical isolated Quad RS-422/485 Serial Adapter is designed to make serial port expansion quick and simple. Connecting to a USB port on your computer or USB hub, the USB Serial Adapter instantly adds four RS-422, or RS-485 serial communication ports to your system.

4 optically isolated and surge protected terminal block ports, the USB2-4COMi-TB USB to quad port industrial serial adapter is designed to make RS-422 and RS-485 serial port expansion quick and easy.

4 optically isolated and surge protected terminal block ports, The USB2-4COMi-SI-TB is a USB 2 to 4-port industrial serial adapter that protects you device(s) with optical Isolation, 15KV ESD.

provides instant connectivity with modems, ISDN TAs, PDS, handheld & pocket PCs, digital cameras, POS, serial printers, etc. It is suitable for remote access, retail and industrial applications, data collection and other applications requiring a high speed serial communications port.

4-Port RS-232 USB to serial adapter adds four industrial RS-232 serial ports by connecting to a USB host port and can be mounted to a Din rail conveniently for stable connections. it is compliant with USB 1.1/2.0 compatible Speed 480 Mbps, hi-speed USB and supports FIFO 128 byte transmit FIFO 384 receive FIFO.