Viavi T-BERD/MTS 4000 Manuel utilisateur

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T-BERD/MTS 4000 Handheld Modular Test Set

T-BERD/MTS-4000 Handheld Modular Test Set

QUICK CARD

►Use the VIAVI P5000i or FiberChek Probe

microscope to inspect both sides of every

connection being used (OCC Port, Launch

Cable, bulkhead connectors, patch cables, etc.)

►Focus fiber on the screen. If dirty, clean the

end-face.

►If it appears clean, run inspection test.

►If it fails, clean the fiber and re-run inspection

test. Repeat until it passes.

Figure 2: Inspect Before You Connect

Figure 1: Equipment Requirements

4100-series OTDR Expert OTDR Settings

This quick card describes how to connect to a fiber under test and use the Smart Test

Assistant to configure test setups, run tests, and analyze results on a VIAVI T-BERD/MTS

4000 equipped with a 4100-series OTDR module.

EQUIPMENT REQUIREMENTS

FIBER INSPECTION GUIDELINES

►T-BERD/MTS 4000 equipped with the

following:

•Fiber Optics Software Release V21.14 or

greater

•4100 Series OTDR Module

•Fiber optic cleaning and inspection tools

►Minimum 20-meter Fiber optic patch cable

(Launch Cable)

►Optical Coupler to connect Launch Cable to

Fiber Under Test

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T-BERD/MTS 4000 Handheld Modular Test Set

T-BERD/MTS-4000 Handheld Modular Test Set

QUICK CARD

CONNECT TO FIBER UNDER TEST (FUT)

All fibers and connectors should be inspected and

clean prior to connection, as described on page 1.

The OTDR may be connected to the FUT via an

optical patch panel (OPP) or a coupler:

1. Inspect the OTDR port on top of the test set.

2. Inspect the fiber end face of the Launch Cable.

3. Connect the Launch Cable to the OTDR port.

4. If the interface to the FUT is a patch cord,

connect the patch cord to an optical coupler.

5. Inspect the FUT connected to the coupler or

OPP port and the fiber end face of the Launch

Cable.

6. Connect the Launch Cable to the coupler or

OPP port.

Figure 5: Connecting to OPP

LAUNCH TEST

1. Press the ON/OFF button to start the test

set.

2. Press the Home button to display the Home

view with the EXPERT OTDR icon.

3. Tap the EXPERT OTDR icon until it is

yellow and highlighted.

Figure 6: Fiber Optics Home Screen

Figure 4: Connecting to coupler

Figure 3: OTDR Port Inspection

VIAVI//Public

T-BERD/MTS 4000 Handheld Modular Test Set

T-BERD/MTS-4000 Handheld Modular Test Set

QUICK CARD

1. Tap the Setup soft key .

2. Tap Acquisition and configure the following

basic settings for the trace:

➢Laser: Choose the wavelength(s) to test.

➢Acquisition Mode:

oSelect Manual to manually to enter

Range and Pulse width settings.

oSelect Auto to automatically configure

Range, Pulse width, and SmartAcq

settings.

oSelect SmartAcq to perform an

acquisition with a short pulse width,

followed by an acquisition with a longer

pulse width. The first acquisition allows

events at the beginning of the fiber to be

detected more precisely.

➢Acq. Time: Select Realtime, Auto or the

desired time to sample the fiber.

➢Launch Cable: Select and enter Length

if you are using a Launch Cable.

Enter 20 meters or 66 feet for Viavi supplied

20-meter launch cables.

3. Tap Alarms and configure pass/fail criteria:

➢Set Alarm Level to Fail.

➢Set Threshold to Default, or select alternate

alarm thresholds (TIA-568.3, User, etc.)

4. Tap Display and set Distance Unit to your

desired unit of measure.

CONFIGURE TEST

Figure 7: Acquisition settings

Figure 8: Alarm Settings

Figure 9: Display settings

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T-BERD/MTS 4000 Handheld Modular Test Set

T-BERD/MTS-4000 Handheld Modular Test Set

QUICK CARD

RUN TEST

1. Tap the Start soft-key to start the test.

After auto-configuration, the OTDR will perform

a connection check to ensure that the

connection is Good. If the Connection is Bad,

disconnect the launch cable, and reconnect as

described on pages 1 and 2, cleaning every

fiber end-face that fails the inspection test.

2. After connection checks, the OTDR will perform

acquisitions at the configured wavelengths.

3. Tap the SmartLink tab at the left screen top to

select SmartLink view.

4. Set the toggle switch at the right screen top to

Event Line.

5. View SmartLink results:

►The FUT is displayed as a series of icons

representing events (front connector,

launch cable, connectors, splices, bends,

etc.) and distances. Swipe left or right to

view additional icons on spans with more

than 4 events.

►The center of the display shows summary

results for the entire span for each

acquisition or wavelength. Tap any event

in the upper display to view detailed

results for that specific event.

►Events and Acquisitions are marked with

a green check or red xbased on the

Alarms setting.

Note: the icon-based view may not be

available on older T-BERD/MTS 4000s when

acquisition Mode = SmartAcq.

Rerun the test with Manual or Auto

Acquisition or contact VIAVI to upgrade your

unit to add this feature.

Figure 11: SmartLink View, Summary Results

Figure 12: SmartLink View, Event Results

Figure 10: Start Test

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T-BERD/MTS 4000 Handheld Modular Test Set

T-BERD/MTS-4000 Handheld Modular Test Set

QUICK CARD

6. Tap the Trace tab at the left screen top to select

Trace view.

7. Set the toggle switch at the screen top to Info.

8. Tap the magnifying glass icons to zoom in ,

zoom out , or auto-zoom the display.

You can also pinch and zoom with your fingers.

9. View trace results:

►Trace information is shown in the upper

display. Tap 1 or 2 to select the acquisition

(wavelength or pulse width) for results

display.

►Graphical results (dB versus distance) are

shown in the center display.

►A color-coded Event table is shown in the

lower display. Swipe up and down to view

all events.

10. Tap the Table tab to select Table view.

11. Set the toggle switch at the right screen top to

the center (off) position.

12. View table results:

►Distance, Loss, and Reflectance are shown

for each event.

►Tap the toggle switch to view All events or

Failed events.

Figure 13: Trace view

Figure 14: Table view

VIAVI//Public

T-BERD/MTS 4000 Handheld Modular Test Set

T-BERD/MTS-4000 Handheld Modular Test Set

QUICK CARD

Product specifications and descriptions in this

document are subject to change without notice.

Patented as described at viavisolutions.com/patents

To reach the VIAVI office nearest you,

visit viavisolutions.com/contact

+1 844 GO VIAVI

(+1 844 468-4284)

SAVE RESULTS

1. Tap the Fast Report soft key .

2. Enter Job Id, Cable ID, Fiber Number,

Locations, and Direction.

►The Job Id field identifies the Job and

creates a folder by the same name.

Results are saved to this folder.

►The Cable Id, Fiber Id, and Fiber Number

fields determine the file name.

3. Set Dir. Naming to disk/[Job_Id]. Use the

abc/[auto] button to toggle between test entry

and field entry,

4. Set Save Mode to pdf.

5. Tap Save.

6. Tap to accept the default filename and

save test results.

7. Tap the Fast Report soft key again to return to

the results display.

8. Press the Home button to return to the

Home view.

Figure 17: Fast Report

Figure 16: Directory Naming

Figure 15: Report Settings

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