Exfo FG-750 Manuel d'utilisateur télécharger pdf (Page 160)

Operating Your RTU in OTDR Measuring Mode

146 FG-750

Managing Optical Routes

To suspend or resume scheduled jobs on all available routes:

1. From the main menu, select Configuration > Optical Routes.

2. Click Suspend All or Resume All, depending on your needs. The route

status will change accordingly.

Managing Test Setups

Test setups describe the method of analysis by defining wavelength, pulse

settings, thresholds, reference data, etc. They contain one or more test

programs.

Once the port detection is complete, the application creates three default

test setups (that is, one per test type) for each of the detected optical

routes:

 Monitoring: This type of test is ideal for a 24/7 surveillance of cable

cuts or major degradation that affects QoS. In this case, reference,

learning data, and optical fault trace results are stored in the EMS.

Automatic test setup configuration for this type is 15 seconds as the

target test time per port. It can be set at any other value. For this

test setup, the test manager can select the fault detection threshold

from three predefined alarming sensitivities: Coarse, Normal, or

Sensitive.

 Proactive Maintenance: This type of test is ideal for running

weekly or daily tests on a route to detect degradations that do not

yet affect QoS. In case of proactive maintenance, all the results,

including reference data, are stored into the EMS. This test detects

faults and alerts when degradation level is above a specified set of

fault detection thresholds. By default, the test time is 45 seconds

and can be changed. Proactive maintenance is used for medium to

long-term analysis of the network or to build historical trend results

for the route automatically.

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Exfo FG-750 Manuel d'utilisateur Page 160