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Cisco ONS 15454 SDH Troubleshooting and Maintenance Guide, R3.3
May 2002
Chapter 3 Card Reference
OC192 LR/STM64 LH 1550 Card
3.25 OC192 LR/STM64 LH 1550 Card
Note Due to the high output power (+7 dBm to +10 dBm), a laser warning is printed on the faceplate of
the OC192 LR/STM64 LH 1550 card. A safety key lock is added above the optical connectors to shut
down the laser in order to prevent possible eye damage when the card is powered optical fibers
unconnected.
Warning
Class 1 (21 CFR 1040.10 and 1040.11) and Class 1M (IEC 60825-1 2001-01) laser products. Invisible
laser radiation may be emitted from the end of the unterminated fiber cable or connector. Do not
stare into the beam or view directly with optical instruments. Viewing the laser output with
certain optical instruments (for example, eye loupes, magnifiers, and microscopes) within a
distance of 100 mm may pose an eye hazard. Use of controls or adjustments, or performance of
procedures other than those specified may result in hazardous radiation exposure.
Caution Use of controls or adjustments, or performance of procedures other than those specified may result
in hazardous radiation exposure.
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