T1/E1 Status Leds; Table 2-4. Led Conditions For Standby Cards; Table 2-5. T1/E1 Status Leds - ADTRAN MX2800 STS-1 System Manual

MX2800 STS-1 User Manual
Label
LED State
ACT Green flashing
Amber solid
Red flashing
Off
NET
Red flashing
Off
ALM
PRF Off

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.
LED State
Active Card Green solid
Off
Red flashing
Red flash (once per event)
Red/green alternating
Amber solid
Amber flashing
Red/amber alternating
Standby Card Off
Red flashing
61204659L1-1A

Table 2-4. LED Conditions for Standby Cards

Card Condition
Normal (All OK)
Software Update in Progress
Self Test Failed
Normal (All OK)
STS-1 Failure
Normal (No Alarm)
Normal (All OK)

Table 2-5. T1/E1 Status LEDs

T1/E1 Condition
Normal (All OK)
Disabled
LOS
Single/Burst CV
XCV Threshold Exceeded
In Test (Local)
In Test (Remote)
In Test + Alarm
Normal (All OK) or
N/A (in the case of E1 configuration)
T1/E1 Failure
Installation and Operation, Section 2
Front Panel
2-15