4 Port

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Serial Adapters - Offering a wide variety of USB to Serial Adapters, USB CAN, and IO Cards providing up to 32 ports

4-Port USB to RS232 Adapter FTDI Cable

Protocol

Port COunt

4 Port Serial Adapters

4 port USB 2.0 to Serial Industrial Adapter for business or rugged industrial use with mounting options for stability while in operation. We offer many different styles and form factors to support any serial application.

RS-232 | FTDI Expand Your Serial Capabilities: Connect your legacy 9-pin serial devices through a USB-A port to add legacy functionality to newer technologies with…

Model# CG-4X232FTDI

$98.95

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RS-232 | 384 Bytes Receive | 128 Bytes Transmit Superior Build Quality: Housed in a rugged steel chassis with optional mountable flanges, the serial adapter…

Model# USB2-4COM-M

$109.95

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RS-232 | RS-422 | RS-485 | 2,000 Bytes Receive | 2,000 Bytes Transmit Superior Build Quality: Housed in a rugged steel chassis with built in mountable…

Model# USB2-4COMi-SI-TB

$219.95

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RS232 to Ethernet The Industrial 4-Port RS-232 to Ethernet Data Gateway adapter addresses the need to connect individual RS-232C devices to an IP-based Ethernet LAN.…

Model# MSD-SRF4X

$219.95

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FTDI USB RS232 DB9 Port Adapter The USBG-4FTDI-B 4-Port USB to Serial RS-232 Adapter for newer computers and laptops that no longer include host serial port…

Model# USBG-4FTDI

$87.95

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RS-232 | 512 Bytes Receive | 512 Bytes Transmit Superior Build Quality: Housed in a rugged steel chassis with built in mountable flanges, the serial adapter…

Model# CM-41042

$269.95

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USB to RS232 Adapter - DB9 Male Ports The USBG-BAY4 is a 4 port DB-9 RS232 to USB serial adapter that is designed for PC,…

Model# USBG-BAY4

$139.95

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USB to RS232 Adapter - FTDI FT232RL Chipset The 4X232P1 USB 2.0 to Quad Serial Adapter features our USB 4-Port serial adapter allows 4 serial…

Model# USBG-4X232P1

$126.95

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USB to RS232 Cable Windows 11 The USBG-4X2FTDI 4-Port USB DB-9 Serial Adapter is a rugged plastic USB to Serial adapter that allows you to add 4 RS-232…

Model# USBG-4X2FTDI

$76.95

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Terminal block serial adapter for RS-232/422/485 Our series of Industrial USB 2.0 to terminal block serial adapters support RS-232, RS-422, and RS485 and are designed…

Model# USB2-4COMi-TB

$164.95

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RS-232 | 128 Bytes Receive | 384 Bytes Transmit | FTDI Expand Your Serial Capabilities: Connect 4 legacy 9-pin serial devices through a USB-A port…

Model# USB-4COM

$109.95

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USB to RS232 Adapter The USB-4X-RS232 USB to serial converter is designed for PC, thin client, or server to provide instant COM ports expansion via…

Model# USB-4XRS232

$97.95

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RS485 to USB Adapter Auto Transmit A 4-Port RS-422, RS-485 adapter for serial communication that utilizes four external DIP switches for easy access to the signal…

Model# USB-4COMi-M

$197.95

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USB to RS232 Industrial Serial Adapter Compact Industrial RS232 Serial Adapter bringing 4 DB9 RS232 Ports from one simple connection. Helps expand your system COM…

Model# USB2-4COM-M-CBL

$109.95

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USB to Serial Adapter for RS422 and RS485 Applications The USB-4COMi-SI-M is a USB to Quad RS-422 485 Optical isolated serial adapter and is designed for…

Model# USB-4COMi-SI-M

$384.95

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USB to RS485 Adapter with Failed Signal Check The USB to RS485 adapter installs automatically once connected to a USB port. When a serial device…

Model# CG-UHS4P485

$172.95

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PCI Express Card - 4 Port Serial The SG-PCIE4S422485OCT 4 Port PCI Express RS422 RS485 Card adds four new serial ports to your Work Station,…

Model# SG-PCIE4S422485OCT

$197.95

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USB to RS232 Serial Adapter USB 2.0 Serial Adapter with Optical isolation and surge protection is available on each serial port and is individually optically…

Model# USB2-4COM-SI-M

$274.95

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PCI Express Card - RS422 Serial Applications The SG-PCIE4S422485OCTIS 4 Port RS422 Rs485 PCI Express designed to keep your serial applications electrically safe from damage.…

Model# SG-PCIE4S422485OCTIS

$329.95

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