APC IP DSLAM User's Guide Page 80

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Application Note
72
Select the port ID from the DSL Port drop-down listo view a specified DSL’s
channel Layer Info.
Click on
to close the window.
Table 4-11 Channel Layer Information Field Definitions
Field Definition
Interleave delay Interleave delay for this channel. (milli-seconds)
Previous TX rate Previous actual transmit rate on this channel if ADSL
loop retain. (kbps)
Current TX rate Actual transmit rate on this channel. (kbps)
CRC block length
The length of the channel data-block on which the
CRC operates.
Current Atm Status
Indicates the current ATM Status.
Rs Symbols
Indicates the number of DMT symbols per Reed-
Solomon code word (S), in the downstream direction.
Rs Depth Indicates interleaving depth (D), in the downstream
direction.
Rs Redundency Indicates the number of redundant bytes (R), per
Reed-Solomon code in the downstream direction
6.8.3 Physical Layer PM
Allow users to view the Pysical layer performance of a specified DSL port from
the ADSL2/2+ IP DSLAM. The procedures are as follows:
Double Click on “Pysical Layer PM” from the Function List Window. The Physical
Layer PM window appears.
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