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140 CHAPTER 5: G.SHDSL INTERFACE CONFIGURATION COMMANDS
Setting margin can affect maximum rate of the line. When line condition is good,
you can set a small margin to obtain higher rate. When much noise is around the
line, this may cause disconnection however.
By default, current-margin-value is set to 2 and snext-margin-value is set to 0.
Example # Set the SNR target margin to 5 on interface ATM 5/0.
<Sysname> system-view
[Sysname] interface atm 5/0
[Sysname-Atm5/0] shdsl snr-margin current 5
shdsl wire
Syntax shdsl wire { 2 | 4-auto-enhanced | 4-enhanced | 4-standard }
undo shdsl wire
View ATM (G. SHDSL) interface view
Parameter 2: Two-wire mode.
4-auto-enhanced: Four-wire auto-switch mode. When this mode is enabled, the
four-wire enhanced mode is used first when the local end negotiates with the
remote end. If the remote end is not operating in four-wire enhanced mode, the
local end uses the four-wire standard mode for negotiation. When four-wire
auto-switch mode is adopted, the remote end can be set to operate in four-wire
enhanced mode or four-wire standard mode.
4-enhanced: Four-wire enhanced mode. In this mode, the two pairs of the four
wires can start negotiation separately; in addition, the remote end must be set to
operate in four-wire enhanced mode as well.
4-standard: Four-wire standard mode. In this mode, the two pairs of these four
wires must start negotiation at the same time; in addition, the remote end must
be set to operate in four-wire standard mode as well.
Description Use the
shdsl wire command to set the operating mode of the current G.SHDSL
interface.
Use the
undo shdsl wire command to restore the default.
By default, the four-wire G.SHDSL interface operates in four-wire enhanced mode.
n
The shdsl wire command is available for four-wire G.SHDSL devices only.
Example # Set four-wire G.SHDSL interface ATM 5/0 to operate in four-wire auto-switch
mode.