DS9490R# USB 1-Wire Adapter – by Dallas/Maxim Product

iButton Adapter, USB 1-Wire Adapter, DS9490R# by Dallas/Maxim

1-Wire Adapter – DS9490R#

Place of Origin: China (Mainland)                Part Number: DS9490R                   Brand Name: MAXIM
Min. Order Quantity: 1 Pieces                        Port: Guangzhou                                Payment Terms: T/T, Western Union, Paypal


Dallas / Maxim DS9490R# USB 1-Wire Adapter

The DS9490R# is a USB bridge with 1-Wire RJ12 interface to accommodate 1-Wire receptacles and networks. The DS9490R is a USB connecting front with RJ 11 attachment. Connect a RJ 11 fitting cable into the DS9490R to connect to iButtons or other sensors/loggers. The DS1402D-DR8+ (Blue Dot?) can readily be used in conjunction with the DS9490R# to create an iButton PC reader. The DS9490R# connects to the USB port and then the DS1402D-DR8+ connects to the DS9490R# through an RJ12 connection. The DS9490R# is based on the DS2490 USB to 1-Wire bridge chip. iButtons and other sensors can be missioned, and data can be downloaded all through this simple device. There are various applications for this product such as a key reader for a security system.


Key Features

  • Used in conjuction with a DS1402 series cable with RJ12 plug when working with iButtons
  • High-Speed 12Mbps Universal Serial Bus (USB) Interface
  • Supports Standard and Overdrive 1-Wire Communication
  • Slew-Rate-Controlled 1-Wire Timing and Active Pullup for Improved 1-Wire Network Performance
  • RJ12 Interface for Standard Connectivity Accessories such as the DS1402D-DR8
  • Built-In Custom DS2401 Identification Chip
  • Reads all 1-Wire and iButton Devices. Writes All Except EPROM 1-Wire/iButton Devices

For more information on this product please visit its data sheet here: DS9490R DataSheet.
PC software drivers for Windows 98, Windows 2000, Windows ME, and Windows XP can be found on the Maxim/Dallas website. OneWireDrivers & OneWireViewer.

*Note: iButton and 1-Wire are registered trademarks of Maxim. Windows is a registered trademark of Microsoft Corporation.

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