Show Vdsl Linetssi Command - ZyXEL Communications MSC1024G Series User Manual

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Chapter 33 show Commands

The following example shows the Quiet Noise Level on port 22 of the line VDSL line card in

ras> show vdsl lineqln 2-22

slot-port=2-22, DSL line qln

US QLN value:

112- 119: -129.5 -129.5 -129.5 -129.5 -129.5 -129.5 -129.5 -129.5

120- 127: -130.0 -129.5 -130.0 -129.5 -129.5 -129.5 -130.5 -129.5

128- 135: -129.5 -130.0 -130.0 -130.0 -130.0 -130.0 -130.0 -130.0

136- 143: -130.0 -130.0 -130.0 -130.0 -130.5 -130.5 -130.5 -130.5

144- 151: -129.5 -130.0 -130.5 -130.5 -130.0 -131.0

The following table describes labels in this example.

Table 344 show vdsl lineqln Command Display

near end/far

33.3.37 show vdsl linetssi Command

show vdsl linetssi <slot-port>

This command displays the TSSi (Transmit Spectrum Shaping index) of transmission on the

specified line. This shows the variation of the actual PSD (Power Spectrum Density) from the

------ ------ ------ ------ ------ ------ ------ ------

NA -121.0 -122.5 -126.5 -126.5

This shows the location of the line test. "near end" refers to upstream traffic, or

traffic from the CPE device. "far end" refers to downstream traffic, or traffic from

the CO device.

This shows the frequency in increments of 4.3125 KHz. Single digit units on the

top row are added to the units in tens on the left hand column to find the

corresponding value in the table. For example, to find the QLN value for tone band

43, locate 40 in the left hand column and 3 in the top row. The intersection of the

column 3 and row 40 gives a QLN value of 5.

MSC1000G/1024G/1224G Series User's Guide

NA -129.0 -129.5

Msc1224g series Msc1000g series