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Chapter 2. Installation and Operation
61200659L1-1 MX2800 User Manual 2-13
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
S
TATUS
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
S
TATUS
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.