ADTRAN 4200659L6, 4200659L1, 4175043L2, 4200659L5 LED Descriptions, Power Supply A/B, Status LEDs

Chapter 2. Installation and Operation

button to deactivate an alarm, it remains disabled until the condition has cleared.

Alarms can also be turned off remotely by using a selection found in the STATUS menu. See Acknowledge Alarms (ACO) on page 4-12 for more information.

LED Descriptions

The MX2800 STS-1 has LED status indicators for the power supplies, the STS-1 state, the controller cards, and the individual T1s/E1s. These LEDs are identified in the following subsections.

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 STATUS LEDs apply to the two controller cards. The LEDs provided are ACT (active), NET, ALM (alarm), and PRF (performance). Different conditions are indicated by the state of the LED (it remains solid, blinks, or alternates colors). The condition descriptions vary depending on whether the LED represents the active controller card or the controller card on standby. LED definitions are for the active cards are provided in Table 2-2 on page 2-14. LED definitions for T1/E1 cards are provided in Table 2-3 on page 2-15.

61200659L1-1 MX2800 User Manual 2-13