5-16 User
Manual
Table 5-5. AT + Commands
Command
Description
Function
+MS
<carrier>,
<automode>,
<min_rate>,
<max_rate>
Select Modulation
<carrier> Description
V21 V.21 300 bps
V22 V.22 1200 bps
V22B V.22 bis 1200 and
2400 bps
V23C V.23, with constant
carrier;
1200bps forward
and 75bps
reverse
V32 V.32 4800 and 9600
bps
V32B V.32 bis 7200, 9600,
12,000, and
14,400 bps
V34 V.34 asymmetrical
connections:
2400, 4800, 7200,
9600,
12,000, 14,400,
16,800,
19,200, 21,600,
24,000,
26,400, and 28,800
bps
V.90 56-kbps V.90
asymmetrical
Connections
(transmit):
4800, 7200, 9600,
12,000,
14,400, 16,800,
19,200,
21 600 24 000