iButton USB Adapter for DS9490R

iButton USB Adapter for DS9490R

The DS9490R# is a USB adapter with a 1-Wire RJ11 interface for utilizing 1-Wire sockets and networks. It is based on the DS2490 chip USB-to-1-Wire bridge, which enables communication between a USB host system and the 1-Wire bus. It provides regular, overdrive, and flexible 1-Wire communication speeds along with full-speed 12Mbps USB connectivity. Manufacturer-specific USB commands defined in this specification are used to control the DS2490 and communicate with 1-Wire devices.

• Compatible with DS9490R
• High-speed 12Mbps USB interface
• Supports standard and overdrive 1-Wire communication
• 1-Wire timing with controlled slew rate and active pull-up for better performance of the 1-Wire network
• RJ11 interface for standard connections (accessories like DS1402D-DR8)
• Built-in custom DS2401 chip identification
• Reads all 1-Wire and writes all except EPROM 1-Wire devices
• Non-original