SMC Networks 7724M/VSW - annexe 1, Manual

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Management Guide CLI
TigerAccess™ EE
SMC7824M/VSW 83
5.3.2.5 PSD Level
Power Spectral Density (PSD) Level is configured according to the standard but PSD-
Level can be configured as the frequency by the administrator. To configure PSD-Level,
use the following command.
Command Mode Description
lre PORTS psd-level { 0
ㅣ
1 | 2 | 3
| 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
13 | 14 | 15}
{ PSD | default | off }
Bridge
Configures PSD value and frequency vlaue in VDSL
line.
PSD: -80dBm ~ -40dBm
Band Frequency ( kHz ) Band Frequency ( kHz )
0 27 ~ 138 up/down 8 4,508 ~ 5,200 up/down
1 143 ~ 256 down 9 5,208 ~ 7,000 up/down
2 261 ~ 640 down 10 7,008 ~ 8,500 up/down
3 648 ~ 1,100 down 11 8,508 ~ 12,000 up/down
4 1,108 ~ 2,000 down 12 12,008 ~ 16,700 up/down
5 2,008 ~ 3,000 down 13 16,708 ~ 17,600 up/down
6 3,008 ~ 3,750 down 14 17,608 ~ 18,100 up/down
7 3,758 ~ 4,500 up/down 15 18,108 ~ 30,000 up/down
Tab. 5.5 The frequency of PSD Level per band
To display PSD level, use the following command.
Command Mode Description
show lre psd-level [ PORTS ]
Enable
Global
Bridge
Shows PSD level in VDSL line.
The following is an example of configuring PSD levle.
SWITCH(bridge)# lre 1 psd-level 10 -60
SWITCH(bridge)# show lre psd-level 1
-------------------------------------
PORT 1
BAND Frequency (kHz) PSD (dBm)
-------------------------------------
0 27 - 138 default
1 143 - 256 default
2 261 - 640 default
3 648 - 1100 default
4 1108 - 2000 default
5 2008 - 3000 default
6 3008 - 3750 default
7 3758 - 4500 default
8 4508 - 5200 default
9 5208 - 7000 default
10 7008 - 8500 -60.0