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VN-Matrix 300 • Alarms and SNMP 64
Alarm Type Description — Decoder
Alarm Type Description Action Default Settings
Decoder Alarm
No decoder video data Indicates that there is a valid
connection, no video data present.
Usually accompanied by no source
data stream message in the WEB
interface.
Warning, reporting
No decoder mode No matching decoder mode for the
incoming stream.
Warning, reporting
No source report Unable to detect the format of the
received data stream.
Warning, reporting
Recovered audio Not applicable to VN-Matrix 300 N/A
No decoder audio data Not applicable to VN-Matrix 300 N/A
Bad audio at decoder Not applicable to VN-Matrix 300 N/A
Bad audio PLL Not applicable to VN-Matrix 300 N/A
Video network packets
dropped
Excessive network packet loss has
occurred.
Warning, reporting
Decoder buffer overflow The incoming data rate is high;
reduce the pipeline delay.
Warning, reporting
Decoder buffer
underflow
The incoming data rate is too low;
increase the pipeline delay
Warning, reporting
Bad video PLL The decoder cannot synchronize to
the video data.
Warning, reporting
No decoder ANC data The decoder is not receiving any
embedded audio (ancillary) data.
Warning, reporting
Missing ANC at decoder The Decoder is receiving poor
quality ANC data
Warning, reporting
Recovered ANC Error correction has recovered
corrupted / missing ANC.
Warning, reporting
Alarm Type Description — Controller
Alarm Type Description Action Default Settings
Controller
Alarm
Bad device The Controller is unable
to contact the specified
device. The device is not
available or has failed.
Check the device in question
z Is power applied?
z Is the network cable / connection
present?
z Has the unit been removed?
Critical, reporting