3Com 3031 Command Reference Manual page 215

G.SHDSL Interface Configuration Commands 215
Description
Using the shdsl rate command, you can specify maximum rate at SHDSL interface
or just select auto-negotiation mode. Using the undo rate command, you can
restore the default setting.
By default, auto is selected.
Example
Restore the auto mode at the interface.
[3com-Atm1/0/0] undo shdsl rate
shdsl snr Syntax
shdsl snr threshold
undo snr
View
ATM interface view
Parameter
threshold: In the range of 5~30. By default, it is 25.
Description
Using the shdsl snr command, you can specify SNR (signal-to-noise ratio) value at
an SHDSL interface. Using the undo snr command, you can restore the default
value.
Example
Restore SNR value to the default value.
[3com-Atm1/0/0] undo shdsl snr
shdsl margin Syntax
shdsl margin { disable | value }
undo margin
View
ATM interface view
Parameter
disable: Ignores target margin in link negotiation.
value: Sets target margin value, in the range of 0~10.