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 ...
Before installing your new modem, you need to disconnect your old modem from your cable wall outlet and computer first. Connect the modem power cord into an electrical outlet. Connect the other end to ...
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