After a bit of head-scratching he thought about repurposing the four unused wires on one of the RJ45 Ethernet connectors. This would allow him to interface with the necessary signals and still ...
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 ...
Connect a Router/Access-Point serial to any MCU/SBC. It is based on the popular MAX3232 device, able to work with VCC supply voltage between 3.3V and 5.5V. It is compatible with both 3.3V CMOS and 5V ...