Toshiba V.90 Manual De Usuario
AT Commands
AT command formats
33
%Cn Data compression control
This command determines the operation of V.42bis and MNP
class 5 data compression. Online changes do not take effect until a
disconnect occurs first.
class 5 data compression. Online changes do not take effect until a
disconnect occurs first.
Result Codes:
-V.90=<n>
This command enables/disables V.90 and changes the
downstream rate.
downstream rate.
Possible values of n:
%C0
V.42bis/MNP 5 disabled. No data compression.
%C1
V.42bis/MNP 5 enabled. Data compression enabled (default).
OK
n = 0, 1
ERROR
Otherwise
-V90=0
Disables V.90
-V90=1
Enables V.90 Auto rate (default value)
-V90=X
Controls the downstream rate
-V90?
Shows the current value
-V90=?
Shows the range [0-21]
“AT-V90=X” Downstream Rate
0
V.90 disabled
1
Auto rate (Default)
2
28000 bps
3
29333 bps
4
30666 bps