XE1414C 查看數據表（PDF） - Xecom
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XE1414C Datasheet PDF : 18 Pages
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XE1414C Modem Registers (continued)
S30 Disconnect on Inactivity Timer: S30 sets the
S40 MNP Bit-Mapped Options: S40 shows the status of
periond the modem is idle before it disconnects. A 0
the modem's MNP commands, .
disables the inactivity timer.
Bit 0-1 0 = No LAPM/MNP10 conversion (AT-K0)
Range: 0 to 255
1 = Enable LAPM/MNP10 conversion
Units 10 Seconds
(AT-K1)
Default 0
2 = Enable LAPM to MNP10 conversion ex
cept for LAPM answer mode (AT-K1)
S31 General Bit-Mapped Options: S31 stores the status
Bit 2 Not Used
of various AT commands.
Bit 3-5 0 = AT\K0 break handling selected
Bit 0 0 = No single-line Connect messages (AT\V0)
1 = AT\K1 break handling selected
1 = Use single-line connect messages (AT\V1)
2 = AT\K2 break handling selected
Bit 1 Not Used
3 = AT\K3 break handling selected
Bit 2-3 0 = Report host speed (ATW0)
4 = AT\K4 break handling selected
1 = Report all parameters (ATW1)
5 = AT\K5 break handling selected
2 = Report modem speed only (ATW2)
Bit 6-7 Not Used
Bit 4-7 Not Used
S41 General Bit-Mapped Options: S41 stores the condi-
S36 LAPM Failure: S36 instructs the modem what to do
tion of various "AT" commands.
if the error control negotiations fail.
Bit 0-1 0 = No Data Compression (AT%C0)
Bit 0-2 0 = Modem Disconnects
1 = MNP5 Data Compression (AT%C1)
1 = Establish Direct Connection
2 = V.42bis Data Compression (AT%C2)
2 = Reserved
3 = Either MNP5 or V.42bis (AT%C3)
3 = Establish normal Connection
Bit
2, 6
4 = Disconnect if MNP handshake fails
0 0 = No Fallback/Forward (AT%E0)
5 = Establish Direct Connection if
1 0 = Retrain Enabled (AT%E1)
MNP handshake fails.
0 0 = Fallback/Forward Enabled (AT%E2)
6 = Reserved
Bit 3-5, 7 Not Used
7 = Establish Normal Connection if
MNP handshake fails.
S46 Data Compression Control: S46 selects whether or
Bit 3-7 Not Used
not the modem will support data compression.
S46=136 No data compression
S38 Forced Disconnect Timer: S38 sets the delay
between receipt of the command to disconnect and the
S46=138 Data Compression selected
Default 138
actual opening of the switch hook. If S38 is set to 255
the modem disconnects only after its buffers are empty. S48 V.42 Negotiations: S48 determines the modem's V.42
Range: 0 to 255
negotiation process.
Units 1 Second
S48=0 Proceed with LAPM
Default 20
S48=7 Negotiate per V.42*
S48=128 Assume LAPM failure
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
XECOM
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XE1414C
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