8
direction. Parameter¡§e¡¨specifies the
minimumconnecteddirection.Parameter
¡§f¡¨specifies the maximum connected
direction.
3.5 MNP/V.42/V.42bisCommands
+ES? Displays the current Error Control
and Sychronous Mode Selection
settings.
+ES=? Displays a list of supported Error
control and Sychronous Mode
Selection options.
+ES=a,b,c Error Control and Sychronous Mode
Selectionwhere:a=1-4,b=0,2-4,c=1
,2,4,5,6. a,b,c default=3,0,2.
Parameter "a" specifies the initial
requested mode of operation where
1=Normal Mode, 2=V.42 without
Detection Phase, 3=V.42 with
DetectionPhase,4=MNP.Parameter
"b" specifies the acceptable fallback
mode of operation where:0=LAPM,
MNP, or Normal Mode error control
optional, 2=LAPM or MNP error
control required, 3=LAPM error
control required, 4=MNPerrorcontrol
required.Parameter"c"specifies the
acceptable fallback modeof operation
where:1=Normal Mode, 2=LAPM,
MNP,or Normal Mode error control
optional, 4=LAPM or MNP error
controlrequired,5=LAPMerrorcontrol
required, 6=MNP error control
required.
+ER? Displays the current Error control
reporting settings.
+ER=? Displays a list of supported Error
control reporting options.
+ER=n n=0 Error control reporting disabled.
n=1 Error control reporting enabled.
(Default.)
+DS? Displays the current Data
Compreesion settings.