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Command Line Interface
4-108
Example
The following example configures VDSL port 1 with an upstream noise margin of 6,
and a downstream noise margin of 6.
Related Commands
efm interleave (4-106)
show controllers efm-noise-margin (4-116)
efm rate-adapt
This command enables and disables the rate adaption feature on the selected VDSL
port.
Syntax
efm rate-adapt
no efm rate-adapt
Default Setting
Disabled
Command Mode
Interface Configuration
Command Usage
The data rate on a VDSL line can be affected by factors such as temperature,
humidity, and electro-magnetic radiation. When rate adaption is enabled, the
switch will determine the optimal transmission rate for the current conditions.
Example
The following example shows rate adaption enabled for port 1.
Related Commands
rate-limit (4-97)
A6-22-3A 26 10 17 10
A7-40-5A 32 23 17 Not Used
A8-46-7A 35 26 23 14
TLAN 32 10 29 10
Max-Rate 41 41 41 41
Console(config)#interface ethernet 1/1
Console(config-if)#efm noise-margin 6 6
Console(config-if)#end
onsole#config
Console(config)#interface ethernet 1/1
Console(config-if)#efm rate-adapt
Console(config-if)#
Profile Name Theoretical Minimum Signal-to-Noise Ratio (dB)
DS1 DS2 US1 US2