Longshine LCS-8056C2 - Manual (Page 61)

Commands for Host-Processed Modems Reference Manual
100498E Conexant 3-39
Decimal number which specifies the acceptable fallback mode of
operation when the modem is operating as the answerer or
specifies V.80 Synchronous Access Mode.
1 Error control disabled, use Normal Mode.
2 LAPM, MNP, or Normal Mode error control
optional. (Default.)
3 LAPM, MNP, or Direct Mode error control optional.
4 LAPM or MNP error control required; disconnect if
error control is not established.
5 LAPM error control required; disconnect if error
control is not established.
6 MNP error control required; disconnect if error
control is not established.
8 Initiate V.80 Synchronous Access Mode when
connection is completed, and Data State is entered
(see +ESA and +ITF commands).
Examples
+ES=6 Enable V.80 Synchronous Access Mode originator
+ES=,,8 Enable V.80 Synchronous Access Mode answerer
+ES=6,,8 Enable V.80 Synchronous Access Mode originator and answerer
+ES=3 Enable V.42 with Detection Phase originator. Disable V.80 Synchronous
Access Mode originator.
+ES=,,2 Allow LAPM, MNP, or Normal Mode connection answerer. Disable V.80
Synchronous Access Mode answerer.
+ES=3,,2 Enable V.42 with Detection Phase originator, allow LAPM, MNP, or
Normal Mode connection answer. Disable Synchronous Access Mode
originator and answerer.
Reporting Current or Selected Values
Command: +ES?
Response: +ES: ,,
Example: +ES: 3,0,2 For default settings.
+ES: 6,0,8 For V.80 Synchronous Access Mode
originator and answerer.
Reporting Supported Range of Parameter Values
Command: +ES=?
Response: +ES: ( range),( range), ( range)
Example: +ES: (0-4,6),(0-4),(0-6,8)