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參數(shù)資料
| 型號： | XE1414C-ITR |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Worldwide 14.4 KBPS Modem Module for Embedded Applications |
| 中文描述： | 全球14.4 Kbps調(diào)制解調(diào)器模塊為嵌入式應(yīng)用 |
| 文件頁數(shù)： | 14/18頁 |
| 文件大小： | 77K |
| 代理商： | XE1414C-ITR |
XECOM
(14)
XE1414C
XE1414C Modem Registers (continued)
S30
Disconnect on Inactivity Timer:
S30 sets the
periond the modem is idle before it disconnects. A 0
disables the inactivity timer.
Range:
0 to 255
Units
10 Seconds
Default
0
S31
General Bit-Mapped Options:
S31 stores the status
of various AT commands.
Bit 0
0 =
No single-line Connect messages
(AT\V0)
1 =
Use single-line connect messages
(AT\V1)
Bit 1
Not Used
Bit 2-3 0 = Report host speed (ATW0)
1 = Report all parameters (ATW1)
2 =
Report modem speed only (ATW2)
Bit 4-7 Not Used
S36
LAPM Failure:
S36 instructs the modem what to do
if the error control negotiations fail.
Bit 0-2
0 = Modem Disconnects
1 = Establish Direct Connection
2 = Reserved
3 = Establish normal Connection
4 = Disconnect if MNP handshake fails
5 = Establish Direct Connection if
MNP handshake fails.
6 = Reserved
7 = Establish Normal Connection if
MNP handshake fails.
Bit 3-7
Not Used
S38
Forced Disconnect Timer:
S38 sets the delay
between receipt of the command to disconnect and the
actual opening of the switch hook. If S38 is set to 255
the modem disconnects only after its buffers are empty.
Range:
0 to 255
Units
1 Second
Default
20
S39
Flow Control Bit-Mapped Options:
S39 shows the
modem's flow control status, AT&K.
Bit 0-2
0 = Flow Control Disabled
1 = Reserved
2 = Reserved
3 =
Hardware Flow Control, RTS/CTS
4 =
In-Band Flow Control XON/XOFF
5 =
Transparent In-Band Flow Control
6 = Reserved
7 = Reserved
Bit 3-7 Not used
S40
MNP Bit-Mapped Options:
S40 shows the status of
the modem's MNP commands, .
Bit 0-1 0 = No LAPM/MNP10 conversion (AT-K0)
1 = Enable LAPM/MNP10 conversion
(AT-K1)
2 = Enable LAPM to MNP10 conversion ex
cept for LAPM answer mode (AT-K1)
Bit 2
Not Used
Bit 3-5 0 = AT\K0 break handling selected
1 = AT\K1 break handling selected
2 = AT\K2 break handling selected
3 = AT\K3 break handling selected
4 = AT\K4 break handling selected
5 = AT\K5 break handling selected
Bit 6-7 Not Used
S41
General Bit-Mapped Options:
S41 stores the condi-
tion of various "AT" commands.
Bit 0-1
0 = No Data Compression (AT%C0)
1 = MNP5 Data Compression (AT%C1)
2 = V.42bis Data Compression (AT%C2)
3 = Either MNP5 or V.42bis (AT%C3)
Bit
2, 6
0 0 = No Fallback/Forward (AT%E0)
1 0 = Retrain Enabled (AT%E1)
0 0 = Fallback/Forward Enabled (AT%E2)
Bit 3-5, 7 Not Used
S46
Data Compression Control:
S46 selects whether or
not the modem will support data compression.
S46=136 No data compression
S46=138 Data Compression selected
Default
138
S48
V.42 Negotiations:
S48 determines the modem's V.42
negotiation process.
S48=0 Proceed with LAPM
S48=7 Negotiate per V.42*
S48=128 Assume LAPM failure
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