BB-422PP9TB - Serial Converter, RS-232 DB9 F to RS-422 TB, Port Powered
The BB-422PP9TB channel converter changes TD and RD RS232 signals to RS422 and extends data up to 1.2 km. It transmits both ways in RS232 and RS422 system. RS232 pin out connects to computer COM port or other DTE device. Port-powered from RS232 DTR and RTS handshake lines. Optional external power.