AT Commands and S-Registers
4-15
3825-A2-GB30-20
November 1996
Table 4-1
(13 of 14)
3825
Plus AT Commands
\K
n
Buffer Control, Send Break Control, Break Forces Escape
The \K
n command sets three configuration options simultaneously:
Break
Send
Break
Buffer
Break
Forces
Control
Control
Escape
\K0
Discard Data
Break First Enable
\K1
Discard Data
Break First Disable
\K2
Keep Data
Break First Enable
\K3
Keep Data
Break First Disable
\K4
Keep Data
Data First Enable
\K5
Keep Data
Data First Disable
\K6
Discard Break
Not Applicable Disable
BREAK BUFFER CONTROL
Determines if data stored in the modem’s buffer is saved or discarded when the DTE issues a break sequence.
SEND BREAK CONTROL
Determines what is sent from the modem first, data or break if a break sequence is sent from the DTE.
BREAK FORCES ESCAPE
Determines whether or not the modem should enter Command mode when it receives a break character from the DTE.
\N
n
Error Control Mode
Determines the type of error control used by the modem. In most cases, V42/MNPorBfr is the best choice. If V.42bis and
MNP are enabled, then the modem uses the following priority for error control negotiation: V.42bis, V.42, MNP 5 and
below. Online changes do not take effect until a disconnect occurs.
\ N0 Buffer
Mode.
\ N1 Direct
Mode.
\ N2
MNP or Disconnect.
\ N3
MNP or Buffer.
\ N4
V.42/MNP or Disconnect.
\ N5
V.42/MNP or Buffer.
\N6
LAPM or Disconnect.
\N7
LAPM or Buffer.
&F5 and &F6 (Cellular) set this to \N4.
\
The \Q
n command controls two configuration options simultaneously:
Flow Control Flow Control
of DTE of Modem
\Q0
Disable
Disable
\Q1
XON/XOFF
XON/XOFF
\Q2
CTS to DTE
Disable
\Q3
CTS to DTE
RTS to Modem
\Q4
XON/XOFF
Disable
\Q5
Disable
XON/XOFF
\Q6
Disable
RTS to Modem
FLOW CONTROL OF DTE
Determines how the modem controls the flow of data from the DTE.
FLOW CONTROL OF MODEM
Determines how the DTE controls the flow of data from the modem.