ACT6000 User Guide
– January 2021 Page 51 of 52
15. Appendix 2 - DPBO verification
STEP 1
The first step is to extrapolate and save on the internal memory the
“ESEL” and “A-B-C”
parameters (useful for the second step) from the results of the
SELT Sequence
performed
on the primary sector of the line (Central to Cabinet), using the
ADSL2+
mask, as the
following scheme.