Lre min-protection, Lre min-protection -23 – SMC Networks TigerAccess SMC7816M User Manual

Page 705

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L

ONG

-R

EACH

E

THERNET

C

OMMANDS

29-23

Example
The following sets the maximum downstream power on port 1 to 14.5
dBm.

lre min-protection

This command configures the minimum level of impulse noise protection
for all bearer channels. Use the no form to restore the default setting.

Syntax

lre min-protection {down | up} value
no lre max-power {down | up}

down – Downstream bands.
up – Upstream bands.
value – The number of consecutive DMT symbols for which errors

can be completely corrected. (Range: 0-255, in units of 0.5 DMT
symbols, or 125 microseconds)

Default Setting

0

Command Mode

Global Configuration
Interface Configuration (VDSL Port)

Command Usage

• This minimum margin indicates the amount of increase in impulse

noise that the system can tolerate under operational conditions while
still ensuring required transmission quality.

• This command is used to set the time span of impulse noise

protection, as seen at the input to the de-interleaver, for which errors
can be completely corrected by the error correcting code, regardless of
the number of errors within the errored DMT symbols.

Console(config)#interface ethernet 1/1
Console(config-if)#lre max-power down 58
Console(config-if)#

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