Viavi OneAdvisor ONA-800 Stücklistenhandbuch

VIAVI Solutions

Quick Card

OneAdvisor ONA-800

FTTA OTDR, Cell Tower Construction and Maintenance

This quick card explains how to connect to a fiber under test, configure Fiber to the Antenna (FTTA) OTDR

test setups, run tests, and analyze results with a VIAVI ONA-800 equipped with a 4100 series OTDR.

Equipment Requirements:

•ONA-800 equipped with the following:

oFiber Optics Software Release V19.92 or

greater

oE4100 Series OTDR Module

oSoftware options for FTTA OTDR and

SmartLink Mapper (SLM) icon-based OTDR

results

•Fiber optic cleaning and inspection tools

•20-meter fiber optic patch cable (Launch Cable)

with connectors that match the OTDR Port and

Fiber Under Test (SC UPC, SC APC, LC UPC, etc.)

•Optical Coupler to connect Launch Cable to

BBU Jumper Cable or Trunk Cable

Figure 1: Equipment Requirements

The following information is required to complete the procedure:

•Type of Fiber (Multimode or Single Mode)

•Type of Connectors (SC UPC, SC APC, LC UPC, etc.)

•Tower architecture:

oIs there a BBU jumper cable?

oIs there an RRU jumper cable?

•RRU and BBU/Base Station IDs

•Fiber Code (1-Rx, 1-Tx, …, 24-Tx)

Fiber Inspection Guidelines:

•All fiber end-faces must be clean and pass an

inspection test prior to connection.

•Use the VIAVI P5000i or FiberChek Probe

microscope to inspect both sides of every

connection being used (SFP Port, bulkhead

connectors, patch cables, etc.)

Figure 2: Inspect Before You Connect

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Connect to Fiber Under Test (FUT):

All fibers and connectors should pass fiber inspection prior to connection, as described on page 1. The

OTDR may be connected to the FUT as follows:

Figure 3: Tower Architecture with BBU Jumper Figure 4: Tower Architecture, no BBU Jumper

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

2. If the interface to the FUT is the BBU Jumper or Trunk Cable, connect the cable to an optical coupler

with the same connector type.

3. Inspect and clean the FUT connected to the coupler or Optical Patch Panel (OPP).

4. Inspect and clean fiber end face of the Launch Cable.

5. Connect the Launch Cable to the OTDR port.

6. Inspect and clean the other fiber end face of the Launch Cable.

7. Connect the Launch Cable to the coupler or OPP leading to the RRU.

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Launch and Configure FTTA OTDR:

Figure 5: Home Screen

1. Press the Power button to start the test set.

2. Tap to display the Home screen.

3. Tap to display test selections.

4. Tap the Fiber 1 selection to display OTDR module test selections. Note: The

Model number of your OTDR is displayed in the parenthesis.

5. Tap to launch the FTTA OTDR test application.

Figure 3: FTTA OTDR

6. Tap the soft key to display the File Explorer.

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Figure 4: File Explorer

7. Navigate to the ONA-800/disk/config/FTTA folder.

8. Select FTTA_RRU_Maintenance.SM-OTDR for testing to an RRU at the far-end, or

Select FTTA_RRU_ConstrLoop.SM-OTDR for testing to a loopback at the far-end.

9. Tap the and tap soft key to display FTTA OTDR Setup.

Figure 5: Setup

10. Configure Analysis settings as follows:

•Set BBU Jumper to Yes if there is a BBU Jumper Cable between the Launch Cable and OVP;

Set BBU Jumper to No if the Launch Cable is directly connected to the OVP.

•Set RRU Jumper to Yes if there is a Junction Box/OVP at the top of the tower between the Trunk Cable and

RRU; Set RRU Jumper to No if there is no Junction Box or no RRU Jumper.

•Leave other settings at default values.

11. Configure Link Description settings as follows:

•Set Base Station ID to the Base Station or BBU Identifier.

•Set RRU ID to the RRU Identifier or sector (Alpha, Beta, Gamma).

•Set Fiber Code to the fiber number and polarity using the up and down arrows.

•Set Change Fiber Nbr to Increment.

•Set Distance Unit to feet or meter.

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Run Test:

Press the icon to start the test. The OTDR will perform an auto-configuration, Connection Check, and

Acquisition on each wavelength. If the Connection is Bad, repeat steps 1 through 7 on page 2, to ensure

the patch cable is clean and undamaged. Results will be auto-stored to the current directory.

View Results:

Result may be displayed in 3 different formats: SmartLink, Trace, or Table. The view is selected at the top

of the display.

Figure 6: View selection

•SmartLink view:

oIn the upper display, the FUT is displayed as a series of icons representing events (end-of-fiber,

launch cable, connector, etc.). Swipe left to display additional icons/events.

oThe center of the display shows summary results per wavelength. Acquisitions for which all events

are acceptable are marked with a green check.

oTap on any icon to display event type and pass/fail status and to label each icon according to your

tower architecture, in the lower display:

▪BBU: Connection (coupler) between launch cable and BBU Jumper Cable

▪BOT TWR: Optical Patch Panel at bottom of tower

▪TOP TWR: Junction Box/Patch Panel at Top of tower

▪RRU: End of RRU Jumper Cable

Figure 7: SmartLink View

VIAVI Solutions

(+1 844 468 4284)

To reach the VIAVI office nearest you,

visit viavisolutions.com/contacts.

Product specifications and descriptions in this

document are subject to change without notice.

•Trace view:

oResults for each wavelength are shown in different colors in the top section of the display. Each event is

listed in the lower section of the display. Any events that violate pass/fail thresholds for loss or reflectance

are shown in RED.

oTap the icon to Auto-zoom the trace.

oTap 1 or 2 at the top of the display to toggle between results for the two wavelengths.

Figure 8: Trace View

•Table View: Each event on the FUT is displayed in tabular format.

Figure 9: Table View

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