XM1240S AT Command Reference Manual
No. XM1240S-A00-106
xmodus swiss GmbH
25 / 46
4.4.10 S39 - Flow Control
S39 defines the DTE/DCE (terminal/modem) flow control mechanism. The parameter, if
valid, is written to S39 bits 0,1 and 2. This Register is used in conjunction with AT
Command AT&Kn.
Range:
0 – 5 (Bit Mapped)
Default: 3
S39=0
Disables flow control.
S39=3
Enables RTS/CTS flow control in data mode.
S39=5
Enables RTS/CTS flow control in data and command mode.
4.4.11 S40 - Extended Result Codes
S40 selects which subset of the result messages will be used by the isdn-modem to
inform the DTE of the results of the call establishment. See Chapter 5 for configuration.
4.4.12 S41 - Response to Unknown Commands
S41 selects which result messages will be used upon unknown commands are received
from the DTE.
Range:
0 – 2 (Bit Mapped)
Default: 1
S41=0
Selects the “?” result codes.
S41=1
Selects the “ERROR” result code.
S41=2
Selects the “OK” result code.
4.4.13 S42 - Result Code Form
S42 selects the sending of short-form or long-form result codes to the DTE. The
parameter, if valid, is written to S-Register bit 0,1 and 2. See ATVn Command for
configuration.
Range:
0,1 (Bit Mapped)
Default: 1
S42=0
Enables short-form (terse) result codes. Line feed is not issued before a
short-form result code.
S42=1
Enables long-form (verbose) result codes.