Exfo PPM-350C PON Power Meter Manual de usuario descargar pdf (Pagina 15)

PPM-350C 9

Batteries in use

(with level;

blinking when

weak)

Status; FTTx operation only

Signal (wavelength);

FTTx operation only

Power level

Reference values displayed;

OPM operation only

Display

Auto-off activated

AC adapter plugged in

Units

Storage mode either to save results

or recall settings.

Threshold selection mode activated;

FTTx operation only

Selected wavelength

corresponds to a calibration

wavelength;

OPM operation only

Indicates the presence of “keep-alive”

signal (which prevents

communication loss during periods of

idleness) or any other data packet

Correction factor not

equal to 0 dB

Information fields

that will be stored

PRESS: Turns unit on

Controls auto-off

Exits special modes

HOLD: Turns unit off

PRESS: Accesses the storage

mode; in selection mode, selects

the value.

HOLD: Accesses the data recall

mode; in Recall mode, accesses

the delete item function

PRESS: For FTTX

operation, accesses

threshold selection mode;

for OPM operation,

selects the next

wavelength in the list.

HOLD: For FTTx operation,

displays the current

threshold values.

PRESS: Activates/deactivates Pass/Fail mode

(not possible during nulling, threshold verification,

LEDs/LCD verification)

HOLD: Selects the FTTx or OPM measurement

Keypad

(available only for OPM)

PRESS: Switches between dBm

and dB units

HOLD: Takes the input power as

reference power

PRESS: In selection

mode, goes to the next

value; for OPM

operation, goes to the

next wavelength in the

list

HOLD: If VFL option is

present, changes the

VFL state between OFF,

ON CW and ON 1 Hz

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 46 47

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Exfo PPM-350C PON Power Meter Manual de usuario Pagina 15

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