Videotek VTM-2000 Specifications Page 189

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Alarm Descriptions
VTM Series Installation and Operation Handbook
5-11
LTC/VITC Compare (TC Sync)
The LTC/VITC (TC Sync) alarm occurs when LTC and VITC are compared and differ
beyond the threshold (1 to 30 frames) selection for a period in excess of the duration
setting.
DVITC Time Code Alarm Error Types
The DVITC Time Code Alarms are listed below.
DVITC Loss of Time Code
The DVITC Loss of Time Code alarm occurs when no DVITC Time Code in the video
signal is detected for a period in excess of the duration setting.
DVITC Line
The DVITC Line alarm is used to select the line number on which the D-VITC time
code is detected for the “D-VITC Continuity” and “D-VITC CRC” fields. When time
code is not detected on the selected line number, the alarm activates.
DVITC Continuity
The DVITC Continuity alarm occurs when a break or interruption in the digital vertical
interval time code (VITC) frames occur for a period in excess of the duration setting.
DVITC CRC
The DVITC CRC alarm occurs when the cyclic redundancy check (CRC) within the
digital vertical interval time code field does not correlate with the embedded CRC for a
period in excess of the duration setting
TS Alarms Descriptions (VTM-OPT ASI)
The TS Alarms menu contents are listed below.
Alarm Reporting Setup
The TS Alarm Reporting Setup menu is used to accesses the Alarm Reporting Matrix.
In the Alarm Reporting Matrix select what functions each Alarm will trigger when an
alarm is activated. An alarm occurrence can trigger a log indication, sound, SNMP
trap, GPI OUT 1, GPI OUT 2, Freeze, and Data Capture.
Loss of Signal
The Loss of Signal alarm is activated when the signal carrier is not detected.
CRC Change
The CRC change alarm occurs when the selected table’s CRC information changes.
The selectable monitored tables are PAT, PMT, STT, MGT, VCT, RRT, EIT, and
ETT.
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