Toshiba Pro A300D 用户手册
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User’s Manual
C-3
V.90/V.92
AT Command
V42bis
V.42 error control and V.42bis data compression
V42
V.42 error control only
NoEC
No error control protocol
-V90=*
V.90 Dial Line Rate
-V90 sets the maximum V.90 downstream that the
modem attempts to connect
-V90=0
V.90 disabled
-V90=1
V.90 enabled: automatic speed selection -
maximum modem speed(default)