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MX2800 M13 Multiplexer User Manual Configuration, Section 3
61200290L1-1G 3-35
1. This is a critical alarm only when Inactive Card is not installed or is not working.
2. T1/E1 alarms are cleared when the T1/E1 is disabled or set to Auto Enable after receiving an alarm.
Equipment Identification
These fields are used to store information that identifies the unit. See Figure 3-16 on page 3-36. Informa-
tion provided for the far-end is read-only. Local information is read/write from this menu.
LOF Noncritical The unit detects a framing loss from the network across a DS2.
System Alarms
Controller Card A/B
Fail
Critical
Controller Card A/B has failed.
1
Protection Switch Critical The unit detects a Controller Card protection switch. Data is routed from
the primary to stand-by card.
Communication Fail Noncritical The Controller Cards can no longer communicate.
T1/E1 Alarms
2
LOS Noncritical The unit has lost the receive signal on a T1/E1.
XCV Noncritical The controller card is receiving code violations in excess of the user
specified threshold. Refer to XCV Threshold on page 3-15
Carrier Side AIS
(CAIS)
Noncritical The T1 is receiving all ones from the DS3 side of the network.
Loop Side AIS (LAIS) Noncritical The T1 is receiving all ones from the DSX-1 interface.
Power Supply Alarms
Malfunction Noncritical Power supply card is no longer working. The unit has switched to the
backup power supply or battery backup.
Power Low Noncritical Power supply’s output level is abnormally low.
Power Fail Noncritical Power supply card does not detect power input.
Bat. Backup Act Noncritical Battery charger has lost its AC power source.
Battery Low Noncritical Battery backup has reached an energy point insufficient to supply the
unit with power.
Temperature High Noncritical Power supply card temperature is above normal.
Temperature Critical Noncritical Power supply card temperature is so high that it may suffer damage.
Table 3-5. Types of Alarms in Alarm Relay Configuration (Continued)
Alarm Level Description