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.

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USB to RS232 Adapter - High Speed FTDI The CG-4X232FTDI is a 4 Port RS232…

Model# CG-4X232FTDI

$89.95

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FTDI USB to RS232 Adapter The 4-Port USB2-4COM-M USB Serial DB-9 Adapter is designed to make serial…

Model# USB2-4COM-M

$99.95

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RS232 to Ethernet The Industrial 4-Port RS-232 to Ethernet Data Gateway adapter addresses the need…

Model# MSD-SRF4X

$199.95

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FTDI USB RS232 DB9 Port Adapter The USBG-4FTDI-B 4-Port USB to Serial RS-232 Adapter for…

Model# USBG-4FTDI

$79.95

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Optical Isolation and Surge Protection for RS-232/422/485 Ports Our series of Industrial USB 2.0 to…

Model# USB2-4COMi-SI-TB

$199.99

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USB to RS232 Adapter - DB9 Male Ports The USBG-BAY4 is a 4 port DB-9…

Model# USBG-BAY4

$99.99

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USB to RS232 Adapter - FTDI FT232RL Chipset The 4X232P1 USB 2.0 to Quad Serial…

Model# USBG-4X232P1

$114.95

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RS232 to USB Adapter with 512 Byte FIFO & FTDI Users can connect multiple serial devices…

Model# CM-41042

$199.99

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USB to RS232 Adapter for Data Control Adds 4 RS-232 serial ports via an available…

Model# USB-4COM

$99.98

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RS485 to USB Adapter Auto Transmit A 4-Port RS-422, RS-485 adapter for serial communication that utilizes…

Model# USB-4COMi-M

$179.95

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USB to RS232 Adapter The USB-4X-RS232 USB to serial converter is designed for PC, thin…

Model# USB-4XRS232

$88.95

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Terminal block serial adapter for RS-232/422/485 Our series of Industrial USB 2.0 to terminal block…

Model# USB2-4COMi-TB

$149.99

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USB to RS232 Industrial Serial Adapter Compact Industrial RS232 Serial Adapter bringing 4 DB9 RS232…

Model# USB2-4COM-M-CBL

$99.99

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USB to RS485 Adapter with Failed Signal Check The USB to RS485 adapter installs automatically…

Model# CG-UHS4P485

$156.95

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USB to Serial Adapter for RS422 and RS485 Applications The USB-4COMi-SI-M Serial Adapter instantly adds…

Model# USB-4COMi-SI-M

$349.95

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USB to RS232 Cable Windows 10 The USBG-4X2FTDI 4-Port USB DB-9 Serial Adapter is a rugged plastic USB…

Model# USBG-4X2FTDI

$69.99

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PCI Express Card - 4 Port Serial The SG-PCIE4S422485OCT 4 Port PCI Express RS422 RS485…

Model# SG-PCIE4S422485OCT

$179.95

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USB to RS232 Serial Adapter USB 2.0 Serial Adapter with Optical isolation and surge protection…

Model# USB2-4COM-SI-M

$249.98

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PCI Express Card - RS422 Serial Applications The SG-PCIE4S422485OCTIS 4 Port RS422 Rs485 PCI Express…

Model# SG-PCIE4S422485OCTIS

$299.95

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