Product data

USRobotics
Command Reference
Data Command Set - 51
0 Disable line quality monitor, auto-retrain, and auto-rate
renegotiation.
1 Enable line quality monitor, auto-retrain, and auto-rate
renegotiation. (Default.)
Result Code
OK <value> = 0 and 1
ERROR Otherwise.
Error Control Commands
This section describes parameters used to select and operate the modem in V.42
LAPM or MNP error control mode, Normal (Buffered) Mode, or V.80 Synchronous
Access Mode.
+ES - Error Control and Synchronous Mode Selection
This extended-format command specifies the initial requested mode of operation
when the modem is operating as the originator, optionally specifies the acceptable
fallback mode of operation when the modem is operating as the originator, and
optionally specifies the acceptable fallback mode of operation when the modem is
operating as the answerer. It accepts three numeric subparameters:
Syntax
+ES=[<orig_rqst>[,<orig_fbk>[,<ans_fbk>]]]
Defined Values
<orig_rqst> Decimal number which specifies the initial requested mode of
operation when the modem is operating as the originator. The
options are:
0 Initiate call with Direct Mode.
1 Initiate call with Normal Mode (also referred to as Buffered Mode
or Direct Mode) only.
2 Initiate V.42 without Detection Phase. If V.8 is in use, disable V.42
Detection Phase.
3 Initiate V.42 with Detection Phase. (Default.)
4 Initiate MNP.
6 Initiate V.80 Synchronous Access Mode when connection is
completed, and Data State is entered. (See +ESA and +ITF
commands.)