2400 BPS Internal Modem (250-1037C) Settings Faxback Doc. # 5017 The switch on the back of your modem sets your modem to operate on either Com1 or Com2. If you do not have another serial device, such as a serial mouse or printer, in your computer, set the modem to Com1. Otherwise, set the modem to be different than the other serial device. │ │ │ │ │ COM 2 │ │ COM 2 │ │ ┌───┐ │ │ ┌───┐ │ │ │ │ │ │ │XXX│ │ │ ├───┤ │ │ │XXX│ │ │ │XXX│ │ │ ├───┤ │ │ │XXX│ │ │ │ │ │ │ └───┘ │ │ └───┘ │ │ COM 1 └┐ │ COM 1 └┐ └─┐ ┌┘ └─┐ ┌┘ └─────┘ └─────┘ Com Port Settings (smm 07/28/93)