The  DS9097U-S09 Universal 1-Wire COM Adapter is a sophisticated RS232 to 1-Wire Adapter which performs RS232 level conversion and actively generates the 1-Wire communication signals. Together with an adequate TMEX software driver it enables an IBM-compatible PC directly read all and write non-EPROM iButton devices connected to the adapter.

Features

• True-ground interface to an RS232 COM Port for reading and writing 1-Wire devices
• Works with bipolar as well as unipolar logic signals
• Compatible to COM ports (±)6V to (±)12V
• Supports reading and writing at regular and Overdrive speeds
• Provides strong pull-up to 5V for Temperature, Crypto and EEPROM 1-Wire devices
• Programs 1-Wire EPROM devices (with external 12V power supply only)
• Communicates at data rates of 9.6 (default), 9.2, 57.6 and 115.2 kbits/

The DS9490R is a USB bridge with 1-Wire RJ11 interface to accommodate 1-Wire receptacles and networks. The DS1402D-DR8 (Blue Dot™) can readily be used in conjunction with the DS9490R to create an iButton PC reader. The DS9490 can be used with the 1-Wire Weather Instrument and with any of the 1-Wire modules offered by AAG Alectronica LLC. The adapters is based on the DS2490 USB to 1-Wire bridge chip. PC software drivers for Windows ® 98, Windows 2000, Windows ME, and Windows XP can be found on the iButton website