
CableSHARK P3 User Guide
179
9.2 Spectral Detective Samples
The following figures show examples of broadband technology disturbers.
MAIN
MENU
EF
CHG
SHOW
REF
ZOOM IN
VERT
ZOOM IN
HORIZ
dBm/Hz
PSD
Cursor Frq.
=
=
-45.67 dBm/Hz
1000.50 kHz
RMS Noise
Impedance
Noise Filter
=
=
=
-65.5 dBm
Bridging
No Filter
dBm
-10
-40
-70
-100
-130
TEST
SETUP
20
-10
-40
-70
-100
Press or to move cursor
PROBABLE SIGNAL - T1 / 2 Mbit/s (E1)
SAVE/
UPLOAD
0.00 552 1104 2208 kHz1656
FIGURE 9.2A – T1 DISTURBER (QRSS)
MAIN
MENU
EF
CHG
SHOW
REF
ZOOM IN
VERT
ZOOM IN
HORIZ
dBm/Hz
PSD
Cursor Frq.
=
=
-70.56dBm/Hz
1000.50 kHz
RMS Noise
Impedance
Noise Filter
=
=
=
-65.5 dBm
Bridging
No Filter
dBm
-10
-40
-70
-100
-130
TEST
SETUP
20
-10
-40
-70
-100
Press or to move cursor
PROBABLE SIGNAL - undetermined
SAVE/
UPLOAD
0.00 552 1104
2208 kHz
1656
FIGURE 9.2B – T1 DISTURBER (1IN 8 PATTERN)
MAIN
MENU
EF
CHG
SHOW
REF
ZOOM IN
VERT
ZOOM IN
HORIZ
dBm/Hz
PSD
Cursor Frq.
=
=
-79.27dBm/Hz
1000.50 kHz
RMS Noise
Impedance
Noise Filter
=
=
=
6.67 dBm
Bridging
No Filter
dBm
-10
-40
-70
-100
-130
TEST
SETUP
20
-10
-40
-70
-100
Press or to move cursor
PROBABLE SIGNAL - ISDN
SAVE/
UPLOAD
0.00 552 1104
2208 kHz
1656
FIGURE 9.2C – 2B1Q ISDN SPECTRAL ANALYSIS
MAIN
MENU
EF
CHG
SHOW
REF
ZOOM IN
VERT
ZOOM IN
HORIZ
dBm/Hz
PSD
Cursor Frq.
=
=
-39.45 dBm/Hz
1000.50 kHz
RMS Noise
Impedance
Noise Filter
=
=
=
19.81 dBm
Bridging
No Filter
dBm
-10
-40
-70
-100
-130
TEST
SETUP
20
-10
-40
-70
-100
Press or to move cursor
PROBABLE SIGNAL - ADSL Down
SAVE/
UPLOAD
0.00 552 1104 2208 kHz1656
FIGURE 9.2D – ADSL AT CO SIDE
Komentáře k této Příručce