Avaya G700 Installing And Upgrading page 382

Telephones and adjunct systems
9. Type test ds1-loop location end-loopback/span-test to end the test.
Wait about 30 seconds for the DS1 to reframe on the incoming signal and clear DS1 facility
alarms. Use
test results and to determine the solution.
Table 28: Evaluation of DS1 loopback test results
Condition
Loopback termination fails
with an error code of 1313.
The red LED on the loopback
jack is on.
Loopback termination still
fails.
The DS1 cannot frame on
the incoming span's signal
after the loopback jack power
down.
The span failed the service
provider's loopback test.
The service provider
successfully loop tested the
span, up to the smart jack.
You cannot locate and repair
the problem in the time
available and must terminate
the test.
The test terminated normally.
To restore DS1 administration
1. At the SAT, type change ds1 XXXVS to open the DS1 administration form.
2. Go to page 2 of the DS1 administration form.
3. Change the value of the TX LBO field to the original value that you wrote down when you
were administering the DS1 for the test.
4. Press ENTER to save the changes.
To release the DS1 circuit pack
1. At the SAT, type release board XXXVS.
2. Leave the loopback jack in place.
382 Installing and Upgrading the Avaya G700 Media Gateway and Avaya S8300 Media Server
Table 28: Evaluation of DS1 loopback test results
Solution
The span is still looped somewhere, possibly at the
loopback jack, at the ICSU, or somewhere in the
network.
Replace the ICSU, and re-run the test.
Replace the DS1 circuit pack, and repeat the test
There is something wrong with the receive signal
into the loopback jack from the dumb block or the
smart jack.
The problem is in the service provider's network.
The wiring between the loopback jack and the
smart jack is suspect. Test, and make repairs, as
needed.
The test will not terminate normally in the absence
of a good framing signal. You have to reset the
circuit pack. Enter reset board XXXVS.
Proceed with
on page 382 to evaluate the
To restore DS1 administration.