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Rendy Arizal - 21st October 2013  (09:32 GMT)

How to clearing alarm 7602 "Difference between current and last stable DAC words" for Flexi Multiradio EDGE BTS.
Transport crossconnection with Eth.


Thanks

Fekede taeme - 22nd July 2011  (19:21 GMT)

7601 BCF OPERATION DEGRADED
Difference between PCM and base station frequency reference.
02 01 07 96 00 00


what is this alarm for?

Sham - 13th December 2010  (10:02 GMT)

Have any one cant tell me the clock control Value of nokia ultra BTS

KJB - 2nd June 2010  (12:58 GMT)

7601 appears due to DAC value drift,
It has many causes.
1-BSC Clock problem.
2-Transmission problem(Unstable)
3-BOIA faulty.

Action.
Kindly check BSC clock oscillator value,if Clock,Transmision and BOIA are OK,


then Adjust DAC value on BTS site 2048 and send it to BTS through BTS manager.
after this refresh OMU by MML.

It should be clear.
Some time this problem appears on many sites connected one HUB.


Thx
KJB

kamal kotecha - 6th May 2010  (13:38 GMT)

Apurbhai,

Dac STands for Digital to Analog Converter..

For measuring Abis purity,BTS continuously monitor value & adjust DAC word if required..

Ashish kumar - 26th April 2010  (09:59 GMT)

How will alarms 7604,7601,7745,7704,7606 will effect the RADIO kpi? can anyone explain that for each of the above alarms........THNX

apur - 1st February 2010  (10:42 GMT)

What is the Full form of DAC value?

Ravindra Pratap Singh - 21st January 2010  (16:09 GMT)

How can we clear 7601 Alarm?
Is't clear?

Ankit Singhal - 1st October 2009  (07:28 GMT)

What is the purpose of setting a DAC value in Nokia BTS??? What is the appropriate DAC value on should enter???? How one can clear the DAC alarm if there are flicks on the ET????

gyanendra - 21st November 2008  (18:39 GMT)

dear dac drifter,

what is the media that you are using for the BTS..I mean whether it is PDH or SDH..OFC or MW & like that. Also what is the status of your BSC clock? Give o/p of ZDRI:; & DAC value of the BCF for which the alarm is reported.

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