AP-LInK RS232 TO RS485

Good solution for the communication between serial port and RS485 or RS422 device
Unique serial charge pump drive technology, no external power supply, the real three-wire communication (TXD,RXD,GND). No need serial port initialization
Support baud rates up to 115.2 Kbps; Automatic sense serial signal rate
Support a connection distance up to 4000ft (1200m)
It is suitable for most applications, including industrial, commercial and any general office computer device.