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Chapter 4: Configuring the Modems
Megabit Modem 310F and 320F User Manual 23
c Type to select (Min) Down Data Rate.
The following message displays: Enter valid input
d Type a maximum downstream data rate, in kbps, then press .
The valid data rate values are increments of 32 between 64 kbps and 7040 kbps. If you
enter a value that is not an increment of 32, the modem automatically adjusts it to the
closest increment of 32. The default is 64 kbps.
Configuring the SNR Margin Threshold
The margin threshold determines the SNR margin value below which an SNR margin alarm
occurs and the MAR LED on the modem front panel turns off.
1 From the ADSL Configuration Menu (page 20), type to select Margin Threshold.
The following message displays: Enter Valid Input
2 Type an SNR dB value between 0 and 15, then press .
The default value is 3 dB.
Configuring the ES Threshold
The ES (Errored Seconds) Threshold is the number of acceptable seconds in a 15-minute
interval during which errors occur. If the number of errored seconds in the 15-minute interval
exceeds this value, an ES alarm occurs.
1 From the
ADSL Configuration Menu (page 20), type to select ES Threshold.
The following message displays: Enter valid input
2 Type an ES threshold value between 0 and 255, then press .
The default value is 100.
5
ENTER
7
ENTER
8
ENTER