ADTRAN MX2800 STS-1 - T1;E1 Status Leds; Table 2-4. LED Conditions for Standby Cards; Table 2-5. T1;E1 Status Leds

MX2800 STS-1 User Manual Installation and Operation, Section 2
Front Panel
61204659L1-1A 2-15
T1/E1 Status LEDs
These LEDs apply to each individual T1 or E1. Different conditions are indicated by the state of the LED
(its color and whether it flashes, alternates color, or remains solid). The condition descriptions vary
depending on whether the LEDs represent T1s or E1s of the active controller card or the controller card on
standby. Table 2-5 provides T1/E1 LED definitions for the active and standby card.
Table 2-4. LED Conditions for Standby Cards
Label
LED State Card Condition
ACT Green flashing Normal (All OK)
Amber solid Software Update in Progress
Red flashing Self Test Failed
NET Off Normal (All OK)
Red flashing STS-1 Failure
ALM Off Normal (No Alarm)
PRF Off Normal (All OK)
Table 2-5. T1/E1 Status LEDs
LED State T1/E1 Condition
Active Card Green solid Normal (All OK)
Off Disabled
Red flashing LOS
Red flash (once per event) Single/Burst CV
Red/green alternating XCV Threshold Exceeded
Amber solid In Test (Local)
Amber flashing In Test (Remote)
Red/amber alternating In Test + Alarm
Standby Card Off Normal (All OK) or
N/A (in the case of E1 configuration)
Red flashing T1/E1 Failure