1. Standards: conforming to USBV1.0.. 1.1.. 2.0and 3.1 ,EIA RS-232. 2. USB signals: VCC, DATA+, DATA-, GND and FG.. 3. RS-232 signals: DCD RXD TXD DTR GND DSR RTS CTS RI 4. Working mode: asynchronous point-to-point. 5. Direction control: adoption of automatic data stream control for automatic recognition and control of data transmission direction. 6. Baud rate: 300-460.8Kbps, automatic detection of the transmission rate of the serial interface signal. 7. Transmission distance: 5 meters for RS-232 and less than 5 meters for USB. 8..Working modes: Support point to point communication 9. Interface protection: ±15KV electrostatic protection. 10. Interface forms: B interface female connector and DB9 male connector for USB. See more

Signal indication: 9 indicator lights for Power (PWR), Send (TXD) and Receive. Working environment: -40.. to 85.., relative humidity 5% to 95%. Transmission media: twisted-pair cable or shielded cable. Dimensions: 1500±30mm. Windows2000/2003/2008/2012/XP/Vista/7/8/8.1/10/CE/Mac/Linux are supported.