Lucent Technologies Release 7 Manual

A SERVICE OF

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DEFINITY Enterprise Communications Server Release 7

Maintenance for R7r

555-230-126

Issue 4

June 1999

Additional Maintenance Procedures

6-44Automatic Transmission Measurement System (ATMS)

6

Test Call Results

If the test call successfully completes, and all trunks test within administered

thresholds for marginal and unacceptable performance, then a PASS result is

returned. If the test aborts or fails, an error code indicating the cause is returned.

The error codes are explained in the CO-TRK and TIE-TRK sections of Chapter 9,

‘‘ABRI-PORT (ASAI ISDN-BRI Port)’’. When the trunk is being used for call

Table 6-8. Measurement Capability by TTL Type

Terminating Test Line Type

Te st

105 Type

with Return

Loss

105 Type

without

Return Loss

High-level/

Low-level

Tone Source 100 Type 102 Type

1004 Hz Loss

Far-End to Near-End

xx xxx

1004 Hz Loss

Near-End to Far-End

xx

404 Hz Loss Far-End

to Near-End

xx x

404 Hz Loss

Near-End to Far-End

xx

2804 Hz Loss

Far-End to Near-End

xx x

2804 Hz Loss

Near-End to Far-End

xx

C-Message Noise

Near-End

xx xx

C-Message Noise

Far-End

xx

C-Notched Noise

Near-End

xx

C-Notched Noise

Far-End

xx

Return Loss

1

Near-End

1 Return Loss includes Singing Return Loss High Frequency, Singing Return Loss Low Frequency, and

Echo Return Loss.

xx xx

Return Loss Far-End