Tx (white) and Rx (green) can be used at 3.3V level, ie both for 5V TTL and 3.3V systems (eg routers, Raspberry Pi). Vcc red) are looped 5V USB cable (of course not used for connection of 3.3V systems!). The cable is 85cm long, processing well. The connector is clipped, not welded. So you can to the built therein PL2303 ran yet. Drivers are not a problem on Linux. The module pl2303 is included in all standard kernels and also available for embeddded systems. Windows? Hmm, there was some games ... ;-)
