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Contents
iv
363-217-018R9.8
Issue 1, August 2005
Parameters that affect line speed ............................................................................................................. 2-10
Power-level parameters ............................................................................................................................2-11
3 Configuring an ADSL Annex A LIM
Bit-rate, interleave, and delay considerations ........................................................................................... 3-2
Interleave-path-config bit-rate parameters ................................................................................................ 3-3
Rate-adaptive mode parameters ................................................................................................................ 3-5
Rate adaption ............................................................................................................................................. 3-6
The interleave-path-config delay parameters ............................................................................................ 3-7
The fast-path-config bit rate parameters ................................................................................................... 3-9
margin-config subprofile ......................................................................................................................... 3-10
Dynamic rate-adaptive noise margin ...................................................................................................... 3-13
Noise margin operation ........................................................................................................................... 3-14
Configuring call control .......................................................................................................................... 3-16
4 Configuration Examples
Examples for configuration of legacy ADSL ........................................................................................... 4-2
Examples for configuration of ADSL2+ line codes ................................................................................. 4-4
5 Checking interface status
Checking overall status of ADSL-DMT interface .................................................................................... 5-2
Checking status of the physical interface .................................................................................................. 5-4
Obtaining statistics about operations ........................................................................................................ 5-7
Displaying ADSL-DMT port status and nailed groups ............................................................................ 5-9
6 Line testing
SELT and DELT support requirements ..................................................................................................... 6-2
SELT and DELT uses ................................................................................................................................ 6-3
SELT and DELT procedures ..................................................................................................................... 6-4
SELT and DELT caveats ........................................................................................................................... 6-5
Using profile parameters for SELT and DELT ......................................................................................... 6-7
Using the seltcmd command ....................................................................................................................6-11
Using the deltcmd command ................................................................................................................... 6-13
Test results ............................................................................................................................................... 6-15
seltcmd and deltcmd considerations ....................................................................................................... 6-16
Error conditions related to SELT and DELT .......................................................................................... 6-17
Test data analysis .................................................................................................................................... 6-18