Cisco Headend System Release 2.7 用户指南
tru2way Summary Screens
78-4011047-01 Rev D
65
Field Names Description
Possible Values
Inband
Network-2
(Freq,QAM)
Network-2
(Freq,QAM)
The frequency (freq) in which the
inband tuner is tuned (MHz) and
the current mode of the inband
tuner for tuner 1
inband tuner is tuned (MHz) and
the current mode of the inband
tuner for tuner 1
Frequency
[Dependent upon setting]
Range: 70 to 130 MHz
value displayed in red—
frequency is either lower than 70
MHz or higher than 130 MHz
frequency is either lower than 70
MHz or higher than 130 MHz
QAM
QAM-64
QAM-256
Analog
Other
Inband
Quality-2
(PWR,SNR)
Quality-2
(PWR,SNR)
The approximate received signal
level (PWR, in dBmV) and the
signal to noise ratio (SNR, in dB)
for the applicable QAM data
channels for tuner 2 (if
applicable)
level (PWR, in dBmV) and the
signal to noise ratio (SNR, in dB)
for the applicable QAM data
channels for tuner 2 (if
applicable)
PWR (Power)
Refer to specific hardware
specifications
• value displayed in white—
specifications
• value displayed in white—
signal level is nominal
• value displayed in amber—
signal level is between –12
and –15dBmV or between +12
and +15dBmV
and –15dBmV or between +12
and +15dBmV
• value displayed in red—
signal level is either lower than
–15dBmV or higher than
+15dBmV
–15dBmV or higher than
+15dBmV
n/a—not applicable on this DHCT
SNR (Signal to Noise Ratio)
Refer to specific hardware
specifications
• value displayed in white—
specifications
• value displayed in white—
signal level is nominal
• value displayed in red—
signal level is unacceptably too
high or too low:
− 64 QAM—signal level is
high or too low:
− 64 QAM—signal level is
lower than 25dB
− 256 QAM—power level is
either between –10 and –
15dBmV and SNR is less
than 36dB or power level
is between –10 and
+15dBmV and SNR is less
than 33dB
15dBmV and SNR is less
than 36dB or power level
is between –10 and
+15dBmV and SNR is less
than 33dB
n/a—not applicable on this DHCT