USB to RS 232/485 TTL

Specifications:  

USB

Compliance: USB1.1/2.0 compliant
Connector: USB type A
Speed: 12Mbps(full-speed) 

Serial interface

RS232: DB9 Connector
TTL UART: Pin Header
RS485: Terminal Block

Performance

Baudrate: 300bps to 115.2Kbps 

Serial Signals

RS-232: TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI, GND
RS-485: VCC, GND, RX, TX
TTL UART: VCC, GND, RX, TX

Power requirements
No power supply needed, powered from USB
Consumption: Static consumption less than 80mA, dynamic average consumption less than 150mA
Warranty: 1 years

Operating System Support

Windows 2000, XP, VISTA, 7, Server 2k3, Server 2k8, Server 2k8 R2, x64 variants, Linux, OSX