Motorola SM56 用户手册

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This is usually caused by Error correction turned off. To correct: 
 
1.   Open the Control Panel. Double click the Modems  icon. 
2.   Click on the COM port that the Motorola SM56...Modem is installed on 
3.   Click on Properties. 
4.   Select Connection. 
5.   Click on Advanced. 
6.   Check the Use Error Control-Required to Connect box. 
 
 

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The modem may be connecting at a rate higher than appropriate for the line condit ions. 
 
1.   Use the AT%B command to limit the maximum connection rate. (For a list of AT commands, 

refer to the on-line User's Guide.) 

2.   Lower the rate, using AT commands, until the problem is corrected. You can add AT commands 

to do this; refer to the next section. 

 
 

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  How Do I Add AT Commands Before the Modem Dials My ISP? 

 
1.   Open the Control Panel. 
2.   Double -click the Modems  icon. 
3.   Click on once to select the Motorola SM56...Modem. 
4.   Click on Properties. 
5.   Select Connection. 
6.   Click on Advanced. 
7.   In the Extra Settings box, chain AT commands as needed. You do not need to enter the AT 
prefix, but it will not hurt if you do. 
 
 

 

 
1. Open the Windows Control Panel 
2. Double click the Add/Remove Programs icon. 
3. Select Motorola SM56 Modem Un-install and click Add/Remove. 
4. Shut down the computer and remove the modem board from the computer.  
 

1.  Open the Windows Control Panel 
2.  Double click the System Icon.