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

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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.

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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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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

Not in stock - Backorder allowed

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RS232 to USB Adapter with 512 Byte FIFO & FTDI Our 4 port USB Serial converter is the ideal solution for various industrial communication. Users can connect…

Model# CM-41042

$219.95

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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

$109.95

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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 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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