Alarms; Table 6. Alarm Descriptions And Causes - ADTRAN Total Access 3000 Installation And Maintenance Practice

Total Access 3000/3010 4-Pair Line Power Unit Installation and Maintenance Practice

Alarms

The faults displayed by the LEDs also produce alarms, which can be reported on the Total
Access 3000/3010 Controller Unit. The Controller Unit supports the following alarms:
• SNMP alarms to be used along with the Total Access EMS
• Local alarm contacts
• TL1 NMA alarms
Table 6 shows the alarm descriptions and possible causes.
Alarm Description
Under Voltage The output voltage is too low.
Ground Fault There is a path to ground.
Overload LPU is sourcing too much current.
Under Current LPU is sourcing very low current.
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Table 6. Alarm Descriptions and Causes

Possible Cause
There is damage to the LPU that caused the
output voltage to be lower than 230 VDC
(between tip and ring).
There is a connection between one of the
output wires and ground.
The output current is greater than 0.4 amps.
The LPU is not connected to any load or a
connected load is drawing less than 0.004
amps.
61181500L2-5B