28
DAC6800
+
BCA4 and DAC6800
+
BCA4Z Installation and Operation Manual
Chapter 3: Operation
LEDs and Alarms
Monitoring LEDs
The DAC6800
+
BCA4 and DAC6800
+
BCA4Z have four monitoring
LEDs that serve as a quick monitoring reference.
general location of the monitoring LEDs on a
generic
6800
+
module.
describes each LED in more detail.
Figure 3-1.
Location of Card-Edge LEDs
The four monitoring LEDs on the card-edge of DAC6800
+
BCA4 and
DAC6800
+
BCA4Z modules are identified in
(left to right).
For LEDs SL1 and SL3, AES input is considered present if ALL of the
following conditions are met:
•
No CRC errors
•
Module can lock to the signal
Table 3-4.
Monitoring LEDs
LED
Function
Description
SL1
Ch. 1 Input Present
Channel 1 AES is present
SL2
N/A
Reserved for future use
SL3
Ch. 2 Input Present
Channel 2 AES is present
SL4
N/A
Reserved for future use
Monitoring LEDs
Module status LEDs
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