Telenetics 56 Manuel D’Utilisation
Page 152
AT%E Auto EQM Retrain
The %E command allows an originating modem to automatically retrain its comunications
equalisers during V.22bis MNP connections, or change the speed at twhich it is connected to
another modem.
equalisers during V.22bis MNP connections, or change the speed at twhich it is connected to
another modem.
S Register 33 and S Register 45 contain EQM (Eye Quality Monitor) threshold values. When
the quality of the connection deteriorates to this value, the modem will attempt to retrain the
connection.
the quality of the connection deteriorates to this value, the modem will attempt to retrain the
connection.
The %E2 command allows an originating modem to automaticallyr etrain to a lower speed if the
line quality deteriorates. This only works between two modems, both supporting the feature.
line quality deteriorates. This only works between two modems, both supporting the feature.
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In all V.32 and V.32bis connections, Auto Retrain is enabled.
Options
AT%E0
Auto EQM Retrain OFF
AT%E1
Auto EQM Retrain ON
AT%E2
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V34/V32 auto rate change
See Also
S Register 33
V.32/V.32bis EQM Threshold Value
S Register 45
V.22bis EQM Threshold Value
O Command
Return to On-line State
%Q Command
Line Signal Quality
Range
0-2
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K56flex V.90 thresholds are set by S registers S122 (down-shift) and S123 (up-shift).