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| 型號： | SI2493-D-GT |
| 廠商： | Silicon Laboratories Inc |
| 文件頁數(shù)： | 19/60頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ISOMODEN GLOBAL DAA 24TSSOP |
| 標(biāo)準(zhǔn)包裝： | 62 |
| 系列： | * |
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Si2493
26
Rev. 1.3
+DR=X
Data compression reporting.
X
Mode
0
Disabled
1
Enabled
If enabled, the intermediate result code is transmitted at the point after error control negotia-
tion. The format of this result code is as follows:
Result code
Mode
+DR:NONE
Data compression is not in use
+DR:V42B
Rec. V.42bis is in use in both directions
+DR:V42B RD
Rec. V.42bis is in use in receive direction only
+DR:V42B TD
Rec. V.42bis is in use in transmit directions only
+DS Options
+DS = A
+DS = A,B
+DS = A,B,C
+DS = A,B,C,D
Controls V.42bis data compression function.
A
Direction
0
No compression
1
Transmit only
2
Receive only
3
Both Directions
B
Compression_negotiation
0
Do not disconnect if V.42 is not negotiated.
1
Disconnect is V.42 is not negotiated.
C
Maximum dictionary size
512
D
Maximum string size
6 to 250 (28 default)
+DS44 Options
+DS44 = A
+DS44 = A,B
+DS44 = A,B,C
Controls V.44 data compression function.
A
Direction
0
No compression
1
Transmit only
2
Receive only
3
Both Directions
B
Compression_negotiation
0
Do not disconnect if V.44 is not negotiated.
1 Disconnect if Rec. V.42 is not negotiated.
C
Capability
0
Stream method
+ES Options
+ES = A
+ES = A,,C
Enable synchronous access mode.
A
Specifies the mode of operation when initiating a modem connection.
D Disable synchronous assess mode.
6
Enable synchronous access mode when connection is completed and data state is
entered.
B
Specifies fallback mode of operation.
This parameter should not be used.
C
Specifies the mode of operation when answer a modem connection.
D Disable synchronous assess mode.
8
Enable synchronous access mode when connection is completed and data state is
entered.
Table 8. Basic AT Command Set (Command Defaults in Bold) (Continued)
Command
Action
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