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USB to Serial 4-Port DB-9 RS-232 Adapter with FTDI Chipset – Works with Windows 10, 8, 7, XP and Mac OS 10.X Systems


Quick Overview

The USBG-BAY4 is a 4 port DB-9 RS232 to USB serial adapter that is designed for PC, thin client, or server. It provides instant communication port expansion when using the Universal Serial Bus (USB). The USBG-BAY4 has excellent scalability and quickly adapts to new USB technologies.

Availability: In stock



The USBG-BAY4 is a 4 port DB-9 RS232 Adapter to USB that is designed for PC, thin client, or server to provide 4 instant DB-9 RS-232 COM port expansions from the Universal Serial Bus (USB) host. This 4 port DB-9 RS232 Adapter provides the scalability to quickly adapt to new USB technologies.

USBG-BAY4 - 4 port DB-9 RS232 Adapter to USB adapter image

Multiple modules can be added to a single USB interface allowing you to add 1 to 4 serial RS232 port connections as needed helping your network grow with your requirements. With the USB Plug-and-Play features, you can simply plug in and follow the instructions of Install Wizard, You're ready to use your serial devices once the installation is complete.

USBG-BAY4 DB-9 RS232 Adapter to USB back panel image

Going through a configuration with the Serial DB-9 RS-232 Adapter for Card Slots, I/O address, IRQ jumpers, DMA and others when you are connecting the devices is not necessary as the system will recognize the device and install the drivers automatically.

Additional Features:

  • USB Port Fully compatible with USB1.0 and USB1.1; Forward compatible with USB 2.0
  • Serial Port Supports 4 DB9-Male UART Serial ports, the key benefits are:
  • Supports 3-wire RS232 Signals (TXD, RXD, GND)
  • Rigid Metal Case for Critical Applications
  • Four Port Serial RS-232 DB-9 Box USB Converter
  • Baud Rate from 75 bps to 921.6Kbps
  • 512-Byte Deep FIFOs for each Port
  • Supports 5,6,7,8 Data Bits
  • Odd, Even, Mark, Space, or None parity mode
  • Supports 1, 1.5 and 2 Stop Bits
  • Supports USB Bus Power
  • DC Jack for Optional DC 5V Power Input
OS Support:
  • Windows XP, Vista, Windows 7, Windows 8, and Windows 10
  • Linux and Mac OS 10.X
Form Factor:
  • 6.83”(L) x 3.83”(W) x 0.96”(H)
  • (17.35 x 9.72 x 2.43 cm)
Package Contents
  • 6ft. USB A to B Detachable cable (can be extended up to 15ft)
  • Windows Driver CD
  • Easy Instructions Booklet/User Manual

Additional Information

SKU CS-42042
UPC 729440626976
Manufacturer SerialGear
Length No
Color Black
OS Support No

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