beautypg.com

Dsl graphs – EXFO FTB-635 Wideband Copper and DSL Test Module User Manual

Page 337

background image

xDSL Test Results

Copper and xDSL Tests

329

DSL Graphs

DSL Graphs

The DSL Graphs tab displays characteristics and potential problems on the
line, in graphical format.

Choose from one of the following graphs, using the drop down menu:

Downstream SNR Per Bin presents the downstream signal-to-noise
ratio per bin.

Downstream ATTN (Hlog) per Bin shows the downstream
attenuation from Hlog (Channel Response).

Downstream QLN Per Bin shows the downstream PSD noise from
quiet line noise.