Important Safety Instructions
• Always read the safety instructions carefully
• Keep this Owner's Manual for future reference
• If any of the following situations arise, schedule an appointment to have your
equipment inspected by a service technician:
o The equipment has been exposed to moisture
o The equipment has been dropped and damaged
o The equipment shows obvious signs of breakage
o The equipment is not functioning properly or is not functioning according to the
Owner's Manual instructions
Product Features
• Add up to four RS-422 or RS-485 serial devices via the USB port on your desktop or
notebook computer
• Integrated FTDI chipset with COM retention automatically reassigns COM values to
ports in the event of a disconnection or reboot
• Rugged all-metal enclosure designed for industrial applications
• DIP switch controls provide easy port configuration with minimal software requirements
• Features auto-detect and auto-switching of RS-422 and RS-485 devices
• RS-485 mode supports Auto Transceiver Turn Around (ATTA)
• Supports USB 2.0 specifications and earlier
• Supports serial communications speeds up to 1 Mbps
• Transmission Echo for RS-485 collision detection
• Wall-mount option provides a secure installation
• ESD protection to +/- 15 kV
• LED for indicate TxD or RxD activity
• USB-powered—no external power adapter required
System Requirements
• Computer with an available USB port
• Windows™ XP or later
• Mac
OS X 10.4 or later
®
• Linux 2.6.31 or later
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