Lucent Technologies LambdaXtreme Alarm Messages And Trouble Clearing Manual page 26

Release 1.1
Laser Safety and Lucent
Products
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Lucent is committed to designing optical fiber transmission equipment
that minimizes operator and service personnel exposure to potentially
hazardous levels of optical energy during service and operation.
However, the continued safe use of optical transmission, optical cables
and passive optical connection equipment requires partnership with
customers to assure that these systems are deployed and maintained in
a safe manner. While automatic laser power reduction systems in
Lucent's higher power transmission equipment respond quickly to
reduce laser emissions to safe levels in the event of fiber
disconnection or break, network operators must take proper action in
the event of an alarm.
In a typical network, our optical cables and passive optical connection
equipment can carry signals from various vendor sources that may
have different degrees of safety controls. We urge our customers to
properly assess the power of these sources to ensure that their safety
controls are adequate.
To strengthen our partnership and to assure the continued safe
deployment and use of optical networks, we urge you to use the
following standards as your guides for laser safety for your customers
and employees:
1. In the U.S.:
1 1 ANSI Z136.1 – American National Standard for Safe Use of
Lasers, and
1 2 ANSI Z136.2 – American National Standard for Safe Use of
Optical Fiber Communication Systems Utilizing Laser Diode and
LED Sources.
2. Elsewhere:
2 1 IEC 60825 Safety of Laser Products Part 1: Equipment
classification, requirements and user's guide, and
2 1 IEC 60825 Safety of Laser Products Part 2: Safety of optical
fibre communication systems
It should be noted that recent studies in Europe
power as low as 50 mW can ignite certain hazardous (classified)
gaseous/vapor/mist/dust environments under worst case, dusty
conditions. Standards are being written, both in the US and the
International Electrotechnical Commission (IEC), to address optical
installations in hazardous (classified) environments. If you must
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