Specifications

V.3229 / V.3229L <C#>-39
5
Asynchronous Operating Commands
Auto Retrain
%E
This option allows the modem to automatically re-
train in response to poor received signal quality
without redialing. The modem always responds to a
retrain request from the remote modem.
*default
Auto Rate
Renegotiation
%R
If auto rate renegotiation is enabled, the modem
automatically decreases DCE rate if signal quality
deteriorates beyond the allowable bit error rate. If
signal quality improves, the modem increases DCE
speed.
*default
Table 29:
Command Operation
%E Disable auto retrain
%E1 Enable auto retrain *
Table 30:
Command Operation
%R Disable auto rate renegotiation*
%R1 Enable auto rate renegotiation using
low BER: 1 in 10
5
%R2 Enable auto rate renegotiation using
medium BER: 1 in 10
4
%R3 Enable auto rate renegotiation using
high BER: 1 in 10
3
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