ADTRAN MX2800 M13 - Manual (Page 38)

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Section 2, Installation and Operation MX2800 M13 Multiplexer User Manual
NOTE
The PRF (performance) LED refers to the DS3 only
Table 2-3. LED Conditions for Active Cards
LED LED State Card Condition
ACT Green solid Normal (all OK)
Green/amber alternating Normal + console open
Red solid Self test failed
Amber solid Software update in progress
Red/amber alternating Self test failed + console open
Red blinking Card failure
NET Green solid Normal (all OK)
Red blinking LOS
Red solid AIS, LOF, RAI, idle alarms
Amber solid In test (Local)
Amber flashing In test (Remote)
Red/amber alternating In test with alarms
ALM Green solid Normal (no alarm)
Red blinking Critical alarm
Red solid Non-critical alarm
Amber blinking Critical alarm suppressed (ACO button was pushed)
Amber solid Non-critical alarm suppressed (ACO button was pushed)
PRF Green solid Normal (all OK)
Red flash (once per event) Single/burst CV
Red blinking Continuous code violations
Red solid XCV threshold exceeded (refer to XCV Threshold on page 3-15)