Chapter 3. Configuration
3-18 MX2800 User Manual 61200290L1-1
T1/E1 Alarms
Power Supply Alarms
Alarm Description
LOS The unit has lost the receive signal on a T1/
E1.
XCV The controller card is receiving excessive
code violations, exceeding the threshold set
by the user (see
XCV Threshold
on page
3-12).
CAIS
(carrier side AIS)
The T1 is receiving all ones from the DS3
side of the network.
LAIS
(loop side AIS)
The T1 is receiving all ones from the DSX-1
interface.
Alarm Description
Malfunction Power supply card is no longer working. The
unit has switched to the backup power supply
or battery backup.
Power Low Power supply’s output level is abnormally low.
Power Fail Power supply card’s input power is lost.
Charger Fail Battery backup charger has failed or has lost its
AC connection.
Battery Low Battery backup has reached a critical energy
point at which it may be unable to supply the
unit with sufficient power to maintain operation.
Temperature
High
Power supply card temperature is above nor-
mal.
Temperature
Critical
Power supply card temperature is so high that
it will soon shut off completely.
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