Color: Black - Plastic material housing - USB 2.0 specification and RS-485 standard compliant - USB signal: VCC DATA+ DATA-GND FG - RS-485 signal: T/R+. T+R- GND - Working mode: Asynchronous operation pint to point multi-point - Auto-judge and control data transmission direction - Support baud rate from 300bps to 912.6Kbps - Transmit distance reach up to 1200m - Supports multiple terminals up to 32 RS-485 devices - 600W surge and 15KV static electricity protection - Cable length: 85cm - Compatible with Windows 98 /ME / 2000 / XP / Vista / 7; Mac OS Linux - Package includes: - 1 x Adapter cable - 1 x Terminal board - 1 x Software CD