Cisco Cisco Explorer Set-top Software Version 2.1 사용자 가이드
Status Summary Diagnostic Screen
749244 Rev G
15
Memory
Field
Name
Description
Possible Values
Total
The total amount of memory assigned
to the DHCT, SARA, and the video
to the DHCT, SARA, and the video
[Integer > 0]
Free
The amount of free memory available
for the DHCT, SARA, and the video
for the DHCT, SARA, and the video
[Integer > 0]
Largest The largest contiguous, free block of
memory for the DHCT, SARA, and
video
video
[Integer > 0]
Chunks The number of in use and free chunks
of available memory
[Integer > 0], [Integer >0]
RF Parameters
Field Name
Description
Possible Values
Tuner or
Tuner 1
Tuner 1
Describes the following frequency
data at the center of the channel
of the inband tuner
data at the center of the channel
of the inband tuner
If tuned to a digital channel,
this field displays the
frequency, the current
approximate signal level, and
the average errors per
second
this field displays the
frequency, the current
approximate signal level, and
the average errors per
second
If tuned to an analog channel,
this field displays the
frequency and the analog
channel
this field displays the
frequency and the analog
channel
Frequency—Dependent upon
setting (MHz)
setting (MHz)
Signal Level
• Acceptable Range
• Acceptable Range
1
: -16
dBmV – +15 dBmV
• Recommended Range: -8
dBmV – +8 dBmV
Average Errors per Second—
Integer close to 0 that is not
changing
Integer close to 0 that is not
changing
FDC
Provides information about the
forward data channel (FDC)
forward data channel (FDC)
Frequency—Dependent upon the
setting in which out-of-band
receiver is tuned (MHz)
setting in which out-of-band
receiver is tuned (MHz)
Signal Level (approximate)
• Acceptable Range
• Acceptable Range
:
-16 dBmV – +15 dBmV
• Recommended Range:
-10 dBmV – +10 dBmV
Average Errors per Second—
Integer close to 0 that is not
changing
Integer close to 0 that is not
changing
1
If the dBmV falls outside of the specified ranges, the system and DHCTs may continue to
operate, but plant or system maintenance may be required. Perform an analysis using a
spectrum analyzer on the incoming signal.