Nokia DNT2Mi sp/mp DNT statistics via the front panel or Q1, Information, Abbreviation and/or

Models: DNT2Mi sp/mp

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DNT statistics via the front panel or Q1

Data Network Terminal Single-port and Multiport Operating Instructions

Line attenuation

Line voltage (remote-powered) Attenuation can be 0 to 41 dB.

DNT statistics via the front panel or Q1

Signal qualities of the selected 15-minute periods (4 periods with front panel menus and 100 with Q1) and 24-hour periods (4 periods with front panel menus and 30 with Q1) and since the last reset, according to Rec. G.826, are indicated by the quality parameters in Table 15.

Table 15.

Statistics values via Q1

 

 

 

Information

Abbreviation and/or

Description

 

ratio

 

 

 

 

 

 

Total time

TT

 

Time passed since the last reset.

 

 

 

 

Unavailability time

UAT

 

Time during which severely errored seconds have

 

(Rx, Tx)

 

occurred.

 

 

 

 

 

 

 

Errored seconds

ES

 

Number of errored seconds.

 

(Rx, Tx)

 

 

 

 

 

 

Severely errored seconds

SES

 

Number of seconds during which 30% blocks

 

(Rx, Tx)

 

are errored.

 

 

 

 

 

 

 

Background block errors

BBE

 

Number of errored blocks except blocks during

 

(Rx)

 

severely errored seconds and unavailable time.

 

 

 

 

 

 

The block size depends on the used line rate.

 

 

 

 

Unavailability time ratio

UATR

 

Ratio of unavailability time to the total time during

 

(Rx, Tx)

 

the last 15 minutes or 24 hours.

 

 

 

 

 

 

 

Errored seconds ratio

ESR

 

Ratio of errored seconds to the total of seconds in

 

(Rx, Tx)

 

the available time during the last 15 minutes or 24

 

 

hours.

 

 

 

 

 

 

 

Severely errored seconds

SESR

 

Ratio of severely errored seconds to the total of

ratio

(Rx, Tx)

 

seconds in the available time during the last 15

 

 

minutes or 24 hours.

 

 

 

 

 

 

 

Background block error

BBER

 

Ratio of background block errors to the total of

ratio

(Rx)

 

blocks during the last 15 minutes or 24 hours,

 

 

except blocks during severely errored blocks and

 

 

 

 

 

 

unavailable time.

 

 

 

 

System counters via Q1

Number of CPU resets and the time passed since the last reset.

56 (128)

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DN01145897

 

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Nokia DNT2Mi sp/mp DNT statistics via the front panel or Q1, Information, Abbreviation and/or, Description, ratio