Vf Noise Test; Setting Up A Vf Noise Test - Fluke 990DSL User Manual

990DSL
Users Guide

VF Noise Test

This test performs a "snapshot" measurement of the voice frequency Metallic
Noise (Nm) and Power Influence (PI) on the pair.

Setting Up a VF Noise Test

To set up a VF Noise
).
D(
Setups
Refer to Table 4-7 for VF Noise test setup parameters.
Table 4-7. VF Noise Test Setup Parameters
Parameter
Termination Impedance
Termination Mode
Measurement Filter
Nm Pass Threshold
P.I. Pass Threshold
Power Harmonics Units
PH C-Message Filter
4-40
test, select the test on the POTS Toolbox and press
Settings (default in bold)
600 e or 900 e
Terminated or Bridged
C-Msg, C-Notched, 3K Flat, 15K Flat
≤ 30 dBrn (Range = 0 to 99)
≤ 80 dBrn (Range = 0 to 99)
dBm or dBrn
No or Yes