User manual

Chapter 2. Installation and Operation
61185001L1-1 MX2810 M13 User Manual 2-9
FRONT PANEL
The MX2810 front panel is shown in Figure 2-4. Descriptions of
each part of the front panel follow.
Figure 2-4. MX2810 Front Panel
ACO Buttons
The
ACO
(alarm cut off) buttons allow you to turn off an active
audible alarm. The buttons are recessed, so you must use a pen or
other pointed instrument to press them. Once you have used an
ACO
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 the section Acknowledge Alarms (ACO) on
page 4-8 for more information.
LED Descriptions
The MX2810 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 (it remains solid, blinks, or alternates colors). The condition
descriptions vary depending on whether the LED represents the