xe1414c Xecom, Inc, xe1414c Datasheet - Page 14

• Manufacturer Part Number: xe1414c
• Description: Worldwide 14.4 Kbps Modem Module For Embedded Applications
• Manufacturer: Xecom, Inc

XE1414C Modem Registers (continued)
S36
S38
S39
S30
S31
XECOM
if the error control negotiations fail.
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.
modem's flow control status, AT&K.
periond the modem is idle before it disconnects. A 0
disables the inactivity timer.
of various AT commands.
Disconnect on Inactivity Timer: S30 sets the
Range:
Units
Default
General Bit-Mapped Options: S31 stores the status
Bit 0
Bit 1
Bit 2-3 0 = Report host speed (ATW0)
Bit 4-7 Not Used
LAPM Failure: S36 instructs the modem what to do
Bit 0-2
Bit 3-7
Forced Disconnect Timer: S38 sets the delay
Range:
Units
Default
Flow Control Bit-Mapped Options: S39 shows the
Bit 0-2
Bit 3-7 Not used
0 = No single-line Connect messages (AT\V0)
1 = Use single-line connect messages (AT\V1)
Not Used
1 = Report all parameters (ATW1)
2 = Report modem speed only (ATW2)
0 = Modem Disconnects
1 = Establish Direct Connection
2 = Reserved
3 = Establish normal Connection
4 = Disconnect if MNP handshake fails
5 = Establish Direct Connection if
6 = Reserved
7 = Establish Normal Connection if
Not Used
0 to 255
1 Second
20
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
10 Seconds
0
0 to 255
MNP handshake fails.
MNP handshake fails.
(14)
S40
S41
S46
S48
the modem's MNP commands, .
tion of various "AT" commands.
not the modem will support data compression.
negotiation process.
MNP Bit-Mapped Options: S40 shows the status of
Bit 0-1 0 = No LAPM/MNP10 conversion (AT-K0)
Bit 2
Bit 3-5 0 = AT\K0 break handling selected
Bit 6-7 Not Used
General Bit-Mapped Options: S41 stores the condi-
Bit 0-1
Bit
Bit 3-5, 7 Not Used
Data Compression Control: S46 selects whether or
S46=136 No data compression
S46=138 Data Compression selected
Default
V.42 Negotiations: S48 determines the modem's V.42
S48=128 Assume LAPM failure
S48=7
S48=0
1 = Enable LAPM/MNP10 conversion
2 = Enable LAPM to MNP10 conversion ex
Not Used
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
Negotiate per V.42*
Proceed with LAPM
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)
2, 6
0 0 = No Fallback/Forward (AT%E0)
1 0 = Retrain Enabled (AT%E1)
0 0 = Fallback/Forward Enabled (AT%E2)
138
(AT-K1)
cept for LAPM answer mode (AT-K1)
XE1414C