User manual

Diagnostics
VMS1100 Hybrid QAM/IP Video Media Server • Installation and Operation Manual
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-095-25654 x.1 This document is uncontrolled pending incorporation in an ARRIS CMS
FIELD DESCRIPTION
YES ON
In-band data detected within last 5
seconds
NO OFF
In-band data not detected within last 5
seconds
Frequency
The in-
band frequency is center RF carrier frequency tuned for the
digital service on the specified tuner. The frequency is displayed
in MHz in xxxx.xxx format and ranges from 54 to 860 MHz.
SNR Value
When carrier lock has been established, displays an estimate of
the carrier signal-to-noise ratio in dB.
SNR Quality Indicator
• GOOD — Good value
• FAIR — Marginal signal level, check the signal
• POOR — Unusable signal
• INVALID — Invalid SNR value
Signal Level/Received
Power
Indicates the number of correctable and uncorrectable digital
multiplex errors, up to 9999. It is updated every 5 seconds and
reset each time the VMS1100 series is power cycled or another
digital multiplex is tuned. The maximum value displayed is 9999,
even if there were more than 9999 errors.
Table 42 – In Band Status Fields (Page 2)
FIELD DESCRIPTION
5 Second Error Counts
Indicates the number of correctable and uncorrectable digital
multiplex errors. It is updated every 5 seconds and reset each
time the Product is power cycled or another digital multiplex is
tuned. The maximum value displayed is 9999, even if there were
more than 9999 errors.
Long Term Error Counts
Indicates the number of correctable and uncorrectable digital
multiplex errors in the digital multiplex either since the last tune or
over the last 24 hours.
Error Rates
Indicates the estimated error rates for Uncorrectable Blocks and
Correctable Bits. Rates are displayed as a cumulative calculated
value from either the last tune or over the last 10 minutes,
whichever interval is shorter.