Modem Commands A-4
AT Commands (cont’d)
Command
Description
Default
\N1
Select normal mode connection
\N2
Select LAPM and MNP connection
\N3
Select LAPM, MNP and normal mode
connection
X
\N4
Select only LAPM connection
\N5
Select only MNP connection
\V0
Disable extended result code
\V1
Enable extended result code
%C0
Disable data compression
%C1
Enable MNP 5 data compression
negotiation
%C2
Enable V.42 bis data compression
%C3
Enable both V.42 bis and MNP5 data
compression
X
+MS
Select modulation (see the next table for
values)
The command format is:
+MS=<mod>,<automode>,<min_rate>,<m
ax_rate>
Modulation Values
<mod>
Modulation
Possible Rate
0
V.21
300
1
V.22
1200
2
V.22 bis
2400, 1200
9
V.32
9600, 4800
10
V.32 bis
14400, 12000, 9600, 7200, 4800
11
V.34
336000,31200, 28800, 26400, 24000,
21400, 19200, 16800, 14400, 12000,
9600, 7200, 4800, 2400
<automode>
0
Disables automatic modulation negotiation
1
Enables automatic modulation negotiation using V.8
bis/V.8 or V.32 bis Annex A.
Содержание MobilePro 750C
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