RS-422/485 to USB Serial Adapter ICUSB422IS
FCC Compliance Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
Instruction Manual Table of Contents Introduction ................................................................................... 1 Package Contents........................................................................1 Hardware Guide.............................................................................. 2 Front Panel...................................................................................2 Rear Panel....................................................................................
Instruction Manual Introduction Thank you for purchasing the ICUSB422IS USB to RS422/485 Converter with Isolation. This unit is an intelligent expansion module that connects to a PC or server via the Universal Serial Bus (USB), providing highspeed serial connectivity. The RS485 port supports Auto-Tranceiver-TurnAround, to support applications that control the transmitter driver. With the included software kit, it is an ideal solution for the most critical applications.
Instruction Manual Hardware Guide Front Panel 5-Pin Terminal Blocks DB9 Male Connector RS422/485 RXD (down) and TXD (up) Activity LEDs Note: The DB9 Male Connector at the Terminal Blocks are connected to the same signals internally. They are not two individual ports.
Instruction Manual Switch Settings The default settings on the ICUSB422IS are set at 2-wire RS-485 mode. If you require RS422, change the mode pin to the “422” position (ON). Maintain all other settings unchanged.
Instruction Manual Installing Drivers The RS-422/485 Adapter Cable can be hot-plugged to the USB port of your computer according to the USB specifications. It supports Linux, Mac OS 9.8, X, and X (intel), Windows 98 ME, 2000, 2003, XP, and Vista™. The drivers for each can be found in the corresponding folder on the driver CD.
Instruction Manual Male DB9 Pin Assignments and Cable Wiring DB9-Male Pin Assignment Pins Signal 1 TXD- (DATA-) 2 TXD+ (DATA+) 3 RXD+ 4 RXD- 5 GND 6 NC 7 NC 8 NC 9 NC NC= No Connection 5-Pin Terminal Blocks Pin Assignment 5
Instruction Manual RS-422 Cable Wiring: DB9 (RS422 to USB Cable) DB9 (RS422 Device) 1. TXD- 1. TXD- 2. TXD+ 2. TXD+ 3. RXD+ 3. RXD+ 4. RXD- 4. RXD- 5. GND 5. GND RS-485 Cable Wiring DB9 (RS485 to USB Cable) DB9 (RS485 Device) 1. DATA- 1. DATA- 2. DATA+ 2. DATA+ 3. NC 3. NC 4. NC 4. NC 5. GND 5.
Instruction Manual Specifications Type Specifications Connectors USB type B, DB9 Male Number of Ports 1 RS422/485 (for DB9M or Terminal Blocks) RS-422 Signals TXD+, TXD-, RXD+, RXD-, GND RS-485 Signals (2-wire) DATA+, DATA-, GND Baud Rate 300 bps to 921.
Instruction Manual Technical Support StarTech.com’s lifetime technical support is an integral part of our commitment to provide industry-leading solutions. If you ever need help with your product, visit www.startech.com/support and access our comprehensive selection of online tools, documentation, and downloads. Warranty Information This product is backed by a one year warranty. In addition, StarTech.
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