Tripp lite U208-004-IND, U208-002-IND, U208-001-IND User Manual
Owner’s Manual
Industrial-Grade USB to
RS-422/485 Serial Adapter
Models: U208-001-IND (1-Port), U208-002-IND (2-Port),
U208-004-IND (4-Port)
Este manual esta disponible en español en la página de Tripp Lite:
www.tripplite.com/support
Ce manuel est disponible en français sur le site Web de Tripp Lite :
www.tripplite.com/support
Русскоязычная версия настоящего руководства представлена на веб-сайте
компании Tripp Lite по адресу: www.tripplite.com/support
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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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Package Includes
• Industrial-Grade USB to Serial Adapter
• USB A to B Cable (M/M), 3 ft. (1 m)
• Jumper Connectors (2 per port)
• Driver CD
• Owner’s Manual
DIP Switch Settings
The U280-00X-IND USB to Serial Adapter features an independent DIP switch for each
serial port. See below for DIP switch settings:
1
Auto RS-422/485 Detection (Default): Automatically detects the RS-422 or
RS-485 mode and sets the port accordingly.
2
RS-422 (4-Wire) or RS-485 (4-Wire): Sets the port specifically for use in 4-Wire
mode.
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