AP-Link RS232 to RS485 Data Converters

1. Pro grade RS232 to RS485 / RS422 converter. It easily lets you connect any RS485 or RS422 device directly to COM port 2. Good solution for the communication between serial port and RS485 or RS422 device 3. Unique serial charge pump drive technology, no external power supply, the real three-wire communication (TXD,RXD,GND). No need serial port initialization 4. Support baud rates up to 115.2 Kbps; Automatic sense serial signal rate 5. Support a connection distance up to 4000ft (1200m) 6. It is suitable for most applications, including industrial, commercial and any general office computer device.