If the Communications ports have yellow exclamation points or red Xs over them, your COM ports may be configured incorrectly. First off, a word to the wise: Click the Modems tab. OFF indicates that independent mode is not activated and the modem will not answer any call when the PC is off. In order to achieve a V.

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If your modem still does not work, refer to the additional troubleshooting in this Guide.

3Com US Robotics 56K Message Modem

Double-click the robohics of your new modem or Standard Modem if there is no specific description, then click the Driver tab. Troubleshooting If you have any difficulty with your modem, first make sure that it was installed correctly.

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Select Install one of the other driversthen click Next. This command terminates with OK mofem either the specified amount of silence is detected or when the user types anything which is ignored. This guard time allows the modem to distinguish between a line disturbance from a true disconnect hang up by the remote modem. Make sure the modem is plugged in and turned on. If your ISP supports V. USRobotics warrants any replaced or repaired product or part for ninety 90 days from shipment, or the remainder of the initial warranty period, whichever is longer.


Make sure your COM port is not already in use by another modem.

Some protocols, such as error-control protocols, employ advanced techniques such as longer transmission frames and data compression to increase cps. Double-click the description of the dial-up networking connection, and select Properties.

Also, you must use the power supply that came with your modem; other similar-looking power supplies may be of different voltages and could damage your modem.

If this is the case and you are not sure how to properly configure your COM ports, contact your computer manufacturer. Try reinstalling your modem using the instructions on this Guide for your operating system.

USRobotics Support: USRD 56K* V Message Modem (RS) – d: jesk√° republika

The phone socket you use must be for an analogue phone line. Follow the on-screen instruct ions to register your modem and to view the warranty information.

These signals are in contrast with analogue signals. ON indicat es that independent mode is activated and the modem will answer any call even when the PC is off. These protocols are in the public domain and are available from many bulletin board services. The longer the table, the more efficient throughput gained. The power button is located on the side of the modem. Used mainly mode redial. Thousands of bits per second are expressed as kilobits per second or kbps.


Bit-mapped register setup To set the register, see the instructions for S13 Bit.

3Com U.S. Robotics Sportster x2/V 56K External Modem (Retail Version)

Double-click the Modems icon. If you have voice mail provided by your local phone company, your dial tone may be altered when messages are waiting. Pin assignments are factory-set in the USRobotics modem to match the standard DB assignments in the roborics table. Messages can be received even when the PC is not turned on.

The first enhancement is the “V. Turn your computer on. Make sure that you are using the power supply that came with your modem; other similar-looking power supplies may be of different voltages and could damage your modem. Xmodem The first of a family of error control software protocols used to transfer files between modems. Blinking rapidly indicates that self-memory is full. If it is required to use this equipment on a different network to the one for which it was supplied, the user is advised to messsge the vendor for guidance regarding connection.