USB to RS422/485 4-Port DB9 Serial Adapter/Converter Multi-4/USB Combo

The SystemBase Multi-4/USB COMBO lets you easily and quickly add additional serial ports to your system through the USB port. The Multi-4/USB delivers maximum performance up to 921.6Kbps. Combine that with the need for fewer components and you get cost-effective and reliable connections to your serial devices.

The USB to Serial Multi-4 supports most Windows and Linux operating systems and includes 15,000 volt surge suppression, eliminating blown ports. The Multi-4/USB includes a 4 port panel with a DB9 connector and is available in two models, RS232 and RS422/RS485. Simply plug in the USB connector and you have a COM port to connect modems, printers, bar-code scanners, or any other serial devices.

Features

• Latching USB to 4 ports Serial (male) Adapter/Converter
  
• RS422/485 Interface
• Provides the function of selecting RS422/RS485
  communication mode for each port
• Supports USB Rev. 2.0
• Communication speed: Up to 921.6kbps
• Display communication status via TX/RX LED
• Auto Togging: Automatic control of BUS I/O for RS422/RS485
• Slew-Rate Limit Control
• ±15kV Surge protection

Connector Panel

The Multi-4/USB plugs into the USB port on your system. The connector panel has four DB9 male connectors and is available with support for either RS232 or RS422/RS485. LEDs next to the connector provide visual communication status of the ports. No additional power supply is required.

Supports USB Specification Revision 2.0

The Multi-4/USB supports revision 2.0 and is compatible with revision 1.1

15KV Surge Protection – Built-in

Don’t risk blown ports and downtime. The Multi-4/USB has built-in 15,000-volt surge suppression to protect against electrical spikes and blown ports giving you more reliable communications.

Specifications

Interface Type

• USB Specification Rev. 2.0, Hi-Speed

Serial

• Interface: RS422/RS485 (Selectable per port)
• Number of ports: 4 DB9
• Maximum Speed: 921.6 kbps
• RS-422 Signal Lines: TXD+, TXD-, RXD+, RXD-
• RS-485 Signal Lines: TXD+, TXD-
• Surge Protection: 15KV
• Flow Control: XON/XOFF
• Data Crash Prevention: Auto-Toggling

Hardware

• Controller: FT4232H
• Connector: DE-09P (DB-9 Male)
• Dimensions (W x L x H): 39 x 184.15 x 16.3 mm (1.54 x 7.25 x 0.64 inches)

Software

• Supported OS:
• Windows 7/8/8.1/10
• Windows Server 2008/2012
• Linux
• Utility: TestView

Operating Environment

• Operating Temperature: -20 ~ 70 °C
• Storing Temperature: -20 ~ 70 °C
• Humidity: 5 ~ 95% Non-Condensing

Certifications

• Certifications KC, FCC, CE

Package Includes:

1X Multi-4/USB COMBO,
Download Guide, Warranty Policy

Additional Resources:

Multi-4/USB COMBO USB to RS-42/485 4-Port DB9 Serial Adapter/Converter Manual, Utilities and Specifications Downloads (SystemBase Website)