3Com 56k User's Manual And Reference
Also see for U.S. Robotics 56K Voice: User guideCommand referenceUser's guide and referenceUser guideUser guide
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Contents
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Troubleshooting24PROBLEMThe computer or software will not recognise the modem.POSSIBLE SOLUTIONMake sure the modem is plugged in and turned on. Use only the power adaptor included with your modem.POSSIBLE SOLUTIONYou may not be entering modem commands in the proper manner. Type in all upper case (AT) or all lowercase (at).POSSIBLE SOLUTIONThe COM port may not be enabled. Refer to your computer’s manual for information about enabling COMports (usually involves altering the bios settings, motherboard jumpers, and the operating system).POSSIBLE SOLUTIONYou may be using the wrong serial cable with your external faxmodem. Make sure you are using an RS-232modem cable. You will need to make sure you are using a 25-pin male to 25-pin female if your COM port is a25-pin port, or a 25-pin male to 9-pin female if your COM port is a 9-pin port. |
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