Verilink AS2000: The Basics (880-502981-001) Product Manual Manuel d'utilisateur télécharger pdf (Page 79)

Monitoring and Troubleshooting

Verilink Access System 2000: The Basics 5-13

Bit Error Rate Alarm Second (BERS)

This is a count of each second during which a network BER alarm

condition existed.

Loss of Frame Second (LOFS)

An LOFS is a count of each second in which the application module

was in a LOF state.

Out of Frame Second (OOFS)

An OOFS is a second experiencing one or more OOF events.

Equipment Low-Density Second (DTED)

This is a second during which a low-density state occurs and the

application module stuffs a one into the signal from the equipment

to maintain minimum ones-density on the DS1 network. The

application module also records a DTED whenever it applies a keep-

alive signal to the network.

Equipment Bit Error Rate Alarm Second (DBER)

This is a second during which the incoming bit error rate from the

equipment exceeds the operator-defined threshold.

Equipment Errored Second

This is the same as the ES previously described, except that it is

detected on the incoming signal from the DS1 equipment.

Equipment UAS, ES-L, and OOFS

These are the same as the UAS, ES-L, and OOFS previously

described, except that they are detected on the incoming signal

from the DS1 equipment.

Table 5-5 Alarms and Performance Report Acronyms in Alphabetical Order

Acronym T1 E1 Definition Performance/

Alarm/Event/Flag

Class

AIS

••

All Ones Indication Signal Received (Red

Alarm)

Alarm Major

AIS-Receiving

•

Receiving All Ones Indication Signal (Red

Alarm)

Alarm Major

AIS-Sending

•

Sending All Ones Indication Signal (Red

Alarm)

Alarm Minor

1 2 ... 74 75 76 77 78 79 80 81 82 83 84 ... 178 179

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