Accton Technology VS4512DC - Manual (Page 262)

Command Line Interface
4-116
show controllers efm-noise-margin
This command displays the noise margin for the switch’s VDSL ports.
Syntax
show controllers efm noise-margin
Default Setting
Default: 0 dBm
Command Mode
Privileged EXEC
Example
This example displays the downstream (DS) and upstream (US) noise-margin for
the switch’s VDSL ports.
Related Commands
show controllers efm actual (4-111)
show controllers efm admin (4-112)
show controllers efm status (4-114)
show controllers efm channel-performance (4-117)
Console#show controllers efm noise-margin
Interface Noise Margin
DS US
-------------- -------------
Ethernet 1/1 0 0
Ethernet 1/2 0 0
Ethernet 1/3 0 0
Ethernet 1/4 0 0
Ethernet 1/5 0 0
Ethernet 1/6 0 0
Ethernet 1/7 0 0
Ethernet 1/8 0 0
Ethernet 1/9 0 0
Ethernet 1/10 0 0
Ethernet 1/11 0 0
Ethernet 1/12 0 0
Ethernet 1/13 0 0
Ethernet 1/14 0 0
Console#