Руководство Пользователя для Cisco Cisco Videoscape Voyager Vantage 3.2
57
Manufacturer Diagnostics
Host DAVIC Status Screen
Table 5
Host DAVIC Status Screen
Field Name
Description
Possible Values
FDC
Shows levels in reference to the Forward Data Channel as described below.
RDC
Shows levels in reference to the Reverse Data Channel as described below.
Frequency
The frequency (Freq) of the tuned
QPSK receiver.
QPSK receiver.
[Network dependent]
FDC Range: 70–130 MHz
RDC Range: 8 to 26.5 MHz
Status
The status of the receiver in regards
to receiving valid data.
to receiving valid data.
Locked — Receiver locked onto a
frequency with valid QPSK data
frequency with valid QPSK data
Unlocked — Receiver not locked
onto a frequency with valid QPSK
data
onto a frequency with valid QPSK
data
Level
The approximate received signal level
in dBmV.
in dBmV.
Refer to hardware specifications.
Value displayed in white — Signal
level nominal
level nominal
Value displayed in amber —
Signal level marginally too high or
too low
Signal level marginally too high or
too low
Value displayed in red — Signal
level unacceptably too high or
too low
level unacceptably too high or
too low
Data Rate
Current data rate (in Kbps) of the
FDC/RDC.
FDC/RDC.
[Integer > 0]
S/N
The signal-to-noise ratio in dB.
Refer to hardware specifications.
Value displayed in white — Signal
level nominal
level nominal
Value displayed in amber —
Signal level marginally too high or
too low
Signal level marginally too high or
too low
Value displayed in red — Signal
level unacceptably too high or
too low
level unacceptably too high or
too low
n/a — Not applicable for this
DHCT
DHCT
Corr Bytes
The number of corrected bytes sent
or received.
or received.
[Integer > 0]
Un Cor Bytes
The number of uncorrected bytes
sent or received.
sent or received.
[Integer > 0]
Seconds
The number of seconds that the
frequency has been locked.
frequency has been locked.
[Integer > 0]
Total Bytes
The total number of data bytes
successfully read since the frequency
was locked.
successfully read since the frequency
was locked.
[Integer > 0]