8 VCA / VDA / VEA6800+ Installation and Operation Manual
Preliminary—Contents are proprietary and confidential. Do not photocopy or distribute.
Chapter 1: Introduction
Confidence
flag error
Amber Received data eye opening less than half a
bit period, indicating a possible lack of
signal strength or high jitter; also may mean
that insufficient EQ applied
Validity error Amber AES stream’s validity bit is high (incoming
data not suitable for conversion to an analog
audio signal)
Alarm Amber External alarm contact closure asserted; card
reporting an alarm
Frame status* Red Frame alarm
Green All OK, no frame alarm
* If the frame status LED is not lit, the module may not be operational.
Table 1-3. VCA / VDA / VEA6800+ Module-Specific Status LEDs
Condition Color Function
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