AFL FLX380 Manuale utente

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FLX380 FlexTester Series

Quick Reference Guide

Functional Keys

KEY NAME KEY FUNCTION

Power Press and hold (~1 second) to turn the FLX380 on or off.

VFL Visual Fault Locator (red laser):

ON - Press and hold (~1 second) LED will ash.

ON - Press and hold (~2 seconds) LED will be solid.

OFF - Press and hold (~1 second) LED should be OFF.

Menu Press to access the Main Menu.

Left & Right

Tab keys

Press to display the next/previous available Menu Tab or Test

View Tab.

Arrow

(Navigation)

keys

The arrow keys provide several functions:

•Main Menu: these keys are used to navigate menus and

change setup parameters.

•Trace Page: in the Zoom mode, these keys are used to adjust

zoom. In the Move mode, Left and Right keys are used to

move cursors.

Select (A/B) This key provides several functions:

•Main Menu: press to display a submenu (if available).

•Trace Page: press to toggle the active cursor between A and B.

Back Press once to return to the previous page.

Press one or more times, depending on which menu or editor

submenu is displayed, to return to the Main Menu.

Test Press to start or stop a test.

Save Provides several functions: save the currently displayed test

results; set current folder; set current le name; review results.

F1 Soft keys

(under

display)

The label shown in the display above each soft key (F1, F2 or F3)

indicates the current function for that key.

Press to select the indicated function.

Functional Keys

FLX380 Test Modes

OTDR Modes

TEST MODE NETWORK BEING TESTED APPLICATIONS SETUP

FTTx – In Service

Test to splitter or

through splitter

PON power meter

Customer ber fault

location (ber may be live

or dark)

Auto

FTTx – PON

Construction

End-to-end length & loss

Splitter loss

Feeder ber fault location

Semi-Auto

Full Auto Long-haul

Metro

Access

Fault location

End-to-end length & loss

Connector loss & reection

Splice loss

Auto

Real Time Any Short range fault location

First connector check

Fusion splice check

Mechanical splice tuning

Semi-Auto

Expert Any Advanced point-to-point

and FTTx PON testing for

experienced OTDR users

Manual or

Semi-auto

PON

OLT

PON

Light Source and Power Meter Mode

TEST MODE APPLICATION

Light Source •Measure end-to-end loss using manually set or Wave ID wavelengths

•Trace bers using tone generation and a NOYES Optical Fiber Identier (OFI)

Power Meter •Measure optical power or ber loss using manually set or automatically

detected (Wave ID) wavelength

FLX380 Main Menu Display Features

Main Menu Page (FLX380-103 model shown)

Running OTDR Tests & Viewing Results

To Start a Test

• Press - Test key.

Note: After an OTDR test is started, it may take

several seconds for the rst results to appear

and depending on setup, tens of seconds or even

several minutes for tests to complete.

To Stop a Test

• Press - Test key. If pressed before trace appears, it will stop the test and display the

setup menu. If pressed after trace appears, it will stop the test, generate the event table

and show the partially completed trace.

• Pressthe Back key. The FLX380 stops the test and displays the setup menu.

Battery charge

status icon

- 100%

- <100%

- < 10%

Time-of-Day

Press [Trace] to

display the last

OTDR trace viewed

Page header

Highlighted

tab indicates

the currently

displayed Menu

Page

The currently

highlighted Menu

option

Press [Files] to

open saved les

Main Menu tabs

Press [USB] to transfer saved results

and download software upgrades

(OTDR is connected to a PC)

Test Settings: General OTDR Test Modes

Setup

Parameter

General-Purpose OTDR Test Mode

Full Auto Real Time Expert

Wavelength User selects single or multiple wavelength(s) at which to test.

Auto Setup N/A

(not applicable)

[Off]: User sets all parameters manually.

[By Range]: User sets [Range] & [Resolution], [Pulse

width] & [Averaging] selected automatically.

Range N/A: automatic User sets OTDR scan range.

Pulse width N/A: automatic,

based on auto-

detected range

Automatic if [Auto Setup] parameter is set to [By

Range] option.

User-set if [Auto Setup] parameter is set to option [Off].

Averaging N/A: 1 second

updates

Automatic if [Auto Setup] is set to [By

Range].

User-set if [Auto Setup] is set to [Off].

Resolution N/A: automatic User-set [High] or [Normal].

Range: When setting manually, select

[Range], which is at least 20% longer than

the ber under test.

Pulse width [Pulse]: Select wider pulse

widths to obtain cleaner traces (less noisy).

Select narrower pulse widths to detect

events which are close together (better

resolution).

Averaging Time [Averaging]: Longer

averaging times produce cleaner traces.

Resolution: [High] resolution provides

close data spacing for more precise event

location and better detection of closely

spaced events. [Normal] resolution uses

more ltering to provide a cleaner trace,

but with lower resolution.

Setup

Parameter

FTTx PON OTDR Test Mode

In Service PON Construction

Wavelength User selects single or multiple wavelength(s) at which to test.

Range Not applicable: automatic. User sets OTDR scan range.

Test If set to [Customer Fiber Only], tests only

to splitter.

If set to [Through Splitter], tests customer

and feeder ber.

Not applicable: always

tests to user-set range.

PON Not applicable if [Test] parameter is set to

[Customer Fiber Only] option.

If [Test] is set to [Through Splitter], user

sets PON split ratio.

User sets PON split ratio.

Test Settings: FTTx PON OTDR Test Mode

Range: When setting manually, select

[Range], which is at least 20% longer than

the ber under test.

Pulse width [Pulse]: If testing through

splitter, pulse width is set automatically

based on [Range] and [PON] split ratio.

If testing customer drop ber only (In

Service), automatically set based on range

to splitter.

When testing through a splitter, user can

force a wider pulse width to improve trace

quality by selecting a longer [Range] or

higher [PON] split ratio.

Averaging Time: Also set automatically.

Resolution: Since PONs are usually short,

resolution is always set to high (close data

spacing) for more precise event location.

OTDR Mode: Trace Page Features

Soft key labels

(see next page for details)

Event Table displays OTDR

event measurements

Information

Page displays

OTDR setup

parameters,

launch and

receive cable

data, and event

thresholds

Summary Page

displays end-

to-end link

measurements

A and B cursors

Trace graph

(RED is current)

Receive cable

(if present)

File name (cable name + ber number),

or “New Trace” if le has not been saved

Test

Wavelengths

(RED is current)

Grid units

display

dB/div on

vertical axis

and

distance/div on

horizontal axis

Trace Page displays OTDR trace, A/B

cursors, Loss, Distance, and max

reectance between A and B cursors

Launch cable

(if present)

Fiber under

test

OTDR Mode: Trace Page Features

Navigation Keys

Zoom mode Move mode

Note: Zoom expands/shrinks the trace

around the currently active cursor.

2-point Loss

between A and

B cursor

location

(active cursor

is highlighted)

Distance

between A and

B cursor

For multi-

wavelength tests,

press to toggle

active trace

A cursor

location

Maximum

Reectance

between A and

B cursor

Press to toggle Zoom and Move

mode. In Move mode, the key label

will be displayed as [ Zoom]. In

Zoom mode, the key label will be

displayed as [ xZoom]

Press to Unzoom

or Rezoom

Left

Move active

cursor

Right

Move active

cursor

A/B cursor

select

Vertical Zoom ( )

Horizontal

Zoom ( )

Horizontal

Zoom ( )

A/B cursor

select

OTDR Mode: Event Table Page Features

Event Table is always generated if testing in the FTTx - In Service or FTTx - PON Construction

test mode and optionally generated if testing in the Full Auto or Expert test mode.

1. In the FTTx - In Service and FTTx - PON Construction modes,

[Events] are set to [Auto] by default.

2. In the Full Auto and Expert modes, set Events to [Auto].

Event Table displays:

[Number] of each event,

event [Location] in user

selected units, event [Type],

[Reectance] and [Loss] in (dB)

and loss/distance (dB/km)

Trace Graph

OTDR Mode: Summary Page Features

For multiple-wavelength

tests, press to toggle the

wavelength and display

[Length], [Loss] and [ORL] test

results for that wavelength

Summary page displays:

trace graph, ber under test

[Length] in user selected units,

[Loss] and [ORL] in (dB)

For multiple-wavelength

tests, press to toggle the

wavelength and display event

table for that wavelength

The information page displays how the test was created.

• Use keys to highlight the desired setup parameter.

• Use keys to change the highlighted setup parameter (except [Event Thresholds…]

parameter. You may change these parameters to correct locations in the Event Table

after the test is complete

• When done, press [Recalc Events] to recalculate the Event Table.

For multiple-wavelength tests,

press to toggle the wavelength

and display setup conditions for

that wavelength

• Press key to display

submenu A

• Use keys to highlight the

desired parameter

• Use keys to change the

highlighted parameter

• When done, press [Recalc

Events] to recalculate the

Event Table

These elds show the current

setup conditions

OTDR Mode: Information Page Features

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