For connecting to RS232 consoles on PCs, network hardware, console servers, etc., an onboard MAX3232 chip converts the TTL signals to RS232 via a Cisco-pinout RJ45 connector. Cisco console ports are ...

The RS232 port is connected to the UART port on the Raspberry Pi using a MAX3232 interface. The MAX3232 IC converts the 3.3V UART port to RS232 voltages allowing communication with RS232 compatible ...