ADTRAN 4200659L1 - Manual (Page 46)

Chapter 2. Installation and Operation
2-16 MX2800 User Manual 61200659L1-1
Table 2-4. T1/E1 LED Conditions
LED State T1/E1 Condition
Active
Card
green solid Normal (All OK)
off Disabled
red blinking LOS
red flash (once per
event) Single/Burst CV
red/green alternating XCV Threshold Exceeded
amber solid In Test (Local)
amber blinking In Test (Remote)
red/amber alternating In Test + Alarm
Standby
Card
off Normal (All OK) or
N/A (in the case of E1 con-
figuration)
red blinking T1/E1 Failure