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S L 1 6 & T L 1 6

Safety standards

LG-Nortel products conform to all relevant safety standards. NS 161XX

(NS 16100 NN and NS 16 1G NN) complies with the following safety standards:

• IEC/EN 60950-1:2001+A11:2004—Information technology equipment - Safety,

Part 1 : General requirements

• IEC 60825-1:2001 and IEC 60825-2:2004—Safety of Laser Products

• FDA 21 CFR 1040—Performance Standards for Light-Emitting Products

Laser radiation—eye safety hazards

LG-Nortel optical products use laser or light-emitting diode (LED) sources that

emit light energy into optical bers. This energy is within the red (visible) and

infrared (not visible) areas of the electromagnetic spectrum. FDA 21 CFR 1040

Performance Standards for Light-Emitting Products

Laser radiation hazards

When operating the product normally, with all optical connectors in position and

correctly terminated, the optical radiation is completely enclosed. The system is

a Class 1(IEC)/Class I (FDA) product, regardless of the power transmitted within

the optical ber.

If you have unterminated optical cables (breaks in the fiber-optic cable or

disconnected connectors) the output from circuit packs containing optical

transmitters does not exceed Class 1 (IEC)/Class I (FDA) and is therefore

considered safe under all reasonably foreseeable conditions.

The following text includes additional information on the laser for the NS 161XX.

Laser wavelength 1524 - 1570 nm

Maximum laser output power <= 5 mW

Standards: IEC 60825-1:2001 Edition 1.2

Using optical bers

All activity described herein regarding the optical interface of the NS 161XX is

intended only for trained personnel operating under the direction of the service

provider. Users and homeowners should not attempt to access or disconnect the

optical interface or damage the optical cable. Consult with the service provider

before undertaking any action involving the optical interface.

Handling optical bers

When you work with optical bers, you must take the following general precautions:

• Wear safety glasses when you install optical bers.

WARNING

Risk of laser radiation exposure

Do not look directly into the optical beam. Invisible light can

severely damage your eyes. Keep all optical connectors capped.

• Do not look into the opening of an optical ber, or the opening of an optical ber

connector, if the optical ber is active or the unit has the power turned on.

• Avoid direct exposure to optical ber ends or optical connector ends where you

can access the laser signal directly.

• Clean your hands after you handle optical bers. Small pieces of glass are not

always visible and can damage your eyes.

DANGER

Risk of eye injury

If you have a piece of a glass in your eye, get medical

assistance immediately.

• Do not handle pieces of optical ber with your ngers. Use tweezers or adhesive

tape to lift and discard any loose optical ber ends.

• Wear rubber gloves when you clean optical connectors. The gloves prevent direct

contact with the isopropyl alcohol and prevent contamination of the ferrules with

skin oils.

• Place all optical ber clippings in a plastic container provided for that purpose.

• Handle optical bers with caution. Place the optical bers in a safe location during

installation.

• Protect all optical ber connectors with clean dust caps at all times.

• Follow the manufacturer instructions when you use an optical test set. Incorrect

calibration or control settings can create hazardous levels of radiation.

Splicing optical bers

When you must look at a spliced optical fiber with a small magnifier, take the

following precautions:

• Power off all laser sources to the optical ber or disconnect the remote optical

ber end from the laser sources before you start splicing. Make sure that all laser

sources remain disconnected or have the power turned off.

• Disconnect all optical test sets from the optical ber before you start splicing. The

connections can be local or remote.

• Use only the optical instruments approved by your company.