Appendix A
Test Results Definitions
DS0 VF results
CT-650 Command-Line Reference Guide
Release 9.4
167
VF_DI_Measure
The following fields appear after entering a VF_DI_Measure command
from the VF Drop & Insert Test Menu. The fields that appear depend
on the type of VF test you select. For a description of the various VF
tests, see
.
Port State
State of the test port connected to a VF channel.
Last Act/Sta
Last action taken on a talk/listen port, or the current
state of the circuit.
Field
Description
Field
Description
Freq
Signal frequency detected during attenuation and dis-
tortion measure.
Gain
Signal gain detected during attenuation distortion
measure.
C Message
Noise
Level of idle channel noise measured through a
C Message filter.
C Notch
Noise
Level of noise induced by a continuous 1004 Hz hold-
ing tone measured through a C notch filter.
SNR
Signal-to-noise ratio, measured as the ratio of the
usable signal to the noise or unusable signal.
Transmit
Level
Level of the transmitted signal during an echo return
loss, insertion loss, PAR test, or send-receive tone
measure test, measured in dBm.
Summary of Contents for CT-650
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