si2493 Silicon Laboratories, si2493 Datasheet - Page 29

• Manufacturer Part Number: si2493
• Description: V.92 Isomodem With Global Daa
• Manufacturer: Silicon Laboratories

+MS = A,B,C,D,E,
+MS = A,B,C,D,E
+MS = A,B,C,D
+IFC Options
+ITF Options
+ITF = A,B,C
+MS Options
+MS = A,B,C
Command
+IFC = A,B
+ITF = A,B
+MS = A,B
+IFC = A
+ITF = A
+MR = X
+MS = A
F
Table 8. Basic AT Command Set (Command Defaults in Bold) (Continued)
Specifies the flow control to be implemented.
A
B
Transmit flow control threshold.
A
B
C
Modulation reporting control.
X
0
1
If enabled, the intermediate result code is transmitted at the point during connect negotiation.
The format of this result code is as follows:
+MCR: <carrier> e.g. +MCR: V32B
+MRR: <rate>
Modulation Selection.
A
B
C,D
E,F
Specifies the flow control method used by the modem to control data from the host
Specifies the flow control method used by the host to control data from the modem
0 None
1 Local XON/OFF flow control.
2 Hardware flow control (CTS).
Threshold above which the modem will generate a flow off signal
<0 to 511> bytes
Threshold below which the modem will generate a flow on signal
<0 to 511> bytes
Polling interval for <EM><BNUM> indicator
0 to 300 in 10 msec units.
0 None
1 Local XON/OFF flow control. Does not pass XON/XOFF character to the remote
2 Hardware flow control (RTS)
Mode
Disabled
Enabled
V21
V22
V22B
V32
V32B
V34
V90
V92
modem.
0
1
Preferred modem carrier
Automatic modulation negotiation
Min TX rate/Max TX rate are optional numeric values that specify the lowest value
Min RX rate/Max RX rate are optional numeric values which specify the highest
at which the DCE may establish a connection. If unspecified (set to 0), they are
determined by the carrier and automode settings.
value at which the DCE may establish a connection. If unspecified (set to 0), they
are determined by the carrier and automode settings.
ITU-T V.21
ITU-T V.22
ITU-T V.32
ITU-T V.34
ITU-T V.90
ITU-T V.92
ITU-T V.22bis
ITU-T V.32bis
Disabled
Enabled
e.g. +MRR: 14400
Rev. 1.3
Action
Si2493
29