ADTRAN MX2800 - LED Status Indicators

Chapter 2. Installation and Operation
61200290L1-1 MX2800 User Manual 2-13
LED Descriptions
The MX2800 has LED status indicators for the power supplies, the
DS3 state, the controller cards, and the individual T1s/E1s. These
LEDs are identified as follows:
Power Supply A/B
The
PWR
LED is active when the unit is on and receiving full
power. The
CHK
LED is active when the power supply is failing or
is providing low power and needs to be checked.
Status LEDs
The
S
TATUS
LEDs apply to the two controller cards. The LEDs
provided are
ACT (active), DS3, ALM (alarm), and PRF
(performance). Different conditions are indicated by the state of the
LED (its color and whether it blinks, alternates color, or is on solid).
The condition descriptions vary depending on whether the LED
represents the active controller card or the controller card on
standby. The following tables provide LED definitions for the active
(Table 2-2) and standby (Table 2-3) cards.
Table 2-2. LED Conditions for Active Cards
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