YOKOGAWA 720942 User Manual

Model 720942
User's
Optical Fiber Cord
Manual
1st Edition: February 2021 (YMI)
All Rights Reserved, Copyright © 2021, Yokogawa Test & Measurement Corporation
Thank you for purchasing the 720942 optical fiber cord. This user's manual
explains the handling precautions of the optical fiber cord. To ensure correct use,
please read this manual thoroughly before operation. After reading this manual,
keep it in a safe place.
For information on the optical fiber cord, see also the DL950 User's Manual (IM
DL950-02EN).

Conventions Used in This Manual

The notes and cautions in this manual are categorized using the following
symbols.
Improper handling or use can lead to injury to the user or damage
to the instrument. This symbol appears on the instrument to indicate
that the user must refer to the user's manual for special instructions.
The same symbol appears in the corresponding place in the user's
manual to identify those instructions. In the manual, the symbol is
used in conjunction with the word "WARNING" or "CAUTION."
Calls attention to actions or conditions that could cause serious or
WARNING
fatal injury to the user, and precautions that can be taken to prevent
such occurrences.
Calls attention to actions or conditions that could cause light injury to
CAUTION
the user or damage to the instrument or user's data, and precautions
that can be taken to prevent such occurrences.
Calls attention to information that is important for the proper
Note
operation of the instrument.
French
Une manipulation ou une utilisation incorrectes risquent de blesser
l'utilisateur ou d'endommager l'instrument. Ce symbole apparaît sur
l'instrument pour indiquer à l'utilisateur qu'il doit se reporter au manuel
de l'utilisateur afin d'y lire les instructions spécifiques correspondantes.
Ce même symbole apparaît à la section correspondante du
manuel de l'utilisateur pour signaler lesdites instructions. Dans le
manuel de l'utilisateur, ce symbole est accompagné des termes
AVERTISSEMENT et ATTENTION.
Attire l'attention sur des gestes ou des conditions
AVERTISSEMENT
susceptibles de provoquer des blessures graves (voire
mortelles), et sur les précautions de sécurité pouvant
prévenir de tels accidents.
Attire l'attention sur des gestes ou des conditions
ATTENTION
susceptibles de provoquer des blessures légères ou
d'endommager l'instrument ou les données de l'utilisateur,
et sur les précautions de sécurité susceptibles de prévenir
de tels accidents.

Safety Precautions

This product is designed to be used by a person with specialized knowledge. The
general safety precautions described herein must be observed during all phases
of operation. If the instrument is used in a manner not specified in this manual,
the protection provided by the instrument may be impaired. This manual is part of
the product and contains important information. Store this manual in a safe place
close to the instrument so that you can refer to it immediately. Keep this manual
until you dispose of the instrument. YOKOGAWA assumes no liability for the
customer's failure to comply with these requirements.
The following symbols are used on this instrument.
Handle with care. Refer to the user's manual or service manual. This
symbol appears on dangerous locations on the instrument which
require special instructions for proper handling or use. The same
symbol appears in the corresponding place in the manual to identify
those instructions.
French
À manipuler délicatement. Toujours se reporter aux manuels
d'utilisation et d'entretien. Ce symbole a été apposé aux endroits
dangereux de l'instrument pour lesquels des consignes spéciales
d'utilisation ou de manipulation ont été émises. Le même symbole
apparaît à l'endroit correspondant du manuel pour identifier les
consignes qui s'y rapportent.
Do not look into the connector with the other end of the fiber optic cord
connected to an instrument. If light is being emitted, the light entering your
eye may cause visual impairment or other accidents.
• Insert the optical fiber cord connector slowly and straight into the optical port.
If you shake the connector to the left and right or force it into the port, the
connector or optical port may be damaged.
• When connecting or disconnecting the optical fiber cord connector, hold the
connector part. If you hold the cord part, the optical fiber may break.
• Do not bend, pull, or twist the optical fiber cord sharply. Doing so may damage
the optical fiber.
French
IM 720942-01EN
Ne pas regarder dans le connecteur avec l'autre extrémité du cordon de
1st Edition
fibre optique connectée à un instrument.
Si de la lumière est émise, la lumière pénétrant dans votre œil pourrait
causer une déficience visuelle ou d'autres accidents.
• Insérer lentement et droit le connecteur du cordon de fibre optique dans l'orifice
optique.
Si vous secouez le connecteur vers la gauche et la droite ou si vous le forcez
dans l'orifice, le connecteur ou l'orifice optique pourrait être endommagé.
• Lors de connecter ou déconnecter le connecteur du cordon de fibre optique,
tenez la partie du connecteur. Si vous tenez la partie du cordon, la fibre optique
pourrait se casser.
• Ne pas plier, ne pas tirer ou ne pas tordre brusquement le cordon de fibre
optique. Cela pourrait endommager la fibre optique.

Checking the Contents of the Package

Unpack the box, and check the contents before use. If the wrong items have been
delivered, if items are missing, or if there is a problem with the appearance of the
items, contact your nearest YOKOGAWA dealer.
Optical fiber cord
720942
Item
Optical fiber
cord

Manuals

Clean the Connector End Face

Clean the connector end face of the optical fiber cord before connecting it to
the instrument. If dust is adhered to the connector end face, it may damage
the optical port. If this happens, the instrument will not be able to make correct
measurements.
1. Firmly press the connector end face of the optical fiber cord against the
cleaning surface of the cleaner.
2. With the end face pressed, rub it several times, turning it in small amounts.
3. With the end face pressed, slide it along the cleaning surface.
4. Repeat steps 1 to 3.
WARNING
CAUTION
AVERTISSEMENT
ATTENTION
Manuals
• IM 720942-01EN (this manual)
• IM 720942-92Z1
• PIM113-01Z2
Model or Part No. Description
720942 Multi-mode fiber (LC-LC)
Length: 3 m
IM 720942-01EN This manual
IM 720942-92Z1 Document for China
PIM 113-01Z2 List of contacts
You can purchase an optical fiber cord
cleaner from NTT-AT Corporation.
Supplier Code
2-LCF-LCF-GI(PE-A1G)-
OFNR-2-B-3-B-0.3-0.3
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IM 720942-01EN 1/2