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56K Modem Initialization Strings

The following initialization strings are recommended by the manufacturers of some popular 56K modems:

Modem Recommended Init String
Hayes Accura AT&FW2
Motorola AT&FW2
Multitech AT&F
3Com/USR Courier
upgraded to use x2
AT&F1S32=32
3Com/USR Courier
upgraded to use v.90
AT&F1S58=1
3Com/USR Sportster
upgraded to use x2
AT&F1S32=32
3Com/USR Sportster
upgraded to use v.90
AT&F1S32=34
Zoom AT&FW2

TIP: Entering AT&F will set most modems to their default setting; you can add additional settings after AT&F as listed in your modem manual, or as advised by your modem manufacturer.


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