The device shown in Figure 17-1 is an RS-232–to–TTL converter board, designed to allow a PC with a serial (RS-232) port to communicate with a device that has a console (TTL) port. External converters ...

If you implement mesh Wi-Fi, you may be able to disable the old Wi-Fi network in the cable modem settings, but Jim Rossman recommends leaving it be.(Jim Rossman / TNS) I’ve been helping a friend try ...