Add an RS 485/422 Port to your PC with USB connection.Standard: USB2.0, backwards compatible with USB 1.1Compliant to : RS422 RS485 standardDirection control: Using data flow to the automatic control technology, automatic discrimination and control data transmission direction Baud rate: 300-9216000 BPS, automatic detection serial signal rateLoad capacity: support point to more, each machine converter allows connection 32 RS422 or RS485 interface equipmentInterface protection: surge protection power 600 w, ± 15 kv electrostatic protectionSupports Windows/ME / 2000 / XP/Vista/7 Linux, MacCan support with RS422 / RS485 interface equipment: surveillance cameras, video collector, fingerprint attendance machine, program-controlled switches, numerical control machine, microcontroller, etcUSB to RS485 AdapterDriver CDCheck out our other items!On Jan-20-14 at 08:24:36 PST, seller added the following information:dhep,RcmdId ViewItemDescV4,RlogId p4%60bo7%60jtb9%3Fuk%601d72f%2Bishm%3Ed%7Fhep-14a714618fa-0x115-->