363-206-305
About This Document
l
Issue 3 June 2000
Safety Precautions for Unenclosed Systems
During service, maintenance, or restoration, a lightwave transmission system is
considered unenclosed. Under these conditions, follow these practices:
1. Only authorized, trained personnel shall be permitted to do service,
maintenance, and restoration. Avoid exposing the eye to emissions from
unterminated, energized optical connectors at close distances. Connectors
associated with lightwave regenerators are recessed, which limits exposure
distance. However, technicians removing or replacing regenerators should
not stare or look directly into the vacant regenerator slot with optical
instruments or magnifying lenses. (Normal eye wear or indirect viewing
instruments such as a FIND-R-SCOPE
*
are not considered magnifying
lenses or optical instruments.)
2. Only authorized, trained personnel shall use the lightwave test equipment
during installation or servicing since this equipment contains
semiconductor lasers. (Some examples of lightguide test equipment are
OTDR's, Hand-Held Loss Test Sets, and Feature Finders.)
3. Under no circumstances shall any personnel scan a fiber with an optical
test set without verifying that all lightwave sources on the fiber are turned
off.
4. All unauthorized personnel shall be excluded from the immediate area of
lightwave transmission systems during installation and service.
Consult
ANSI
â€
Z136.1 American National Standard for Safe Use of Lasers for
guidance on the safe use of lasers in the workplace.
DDM-2000 FiberReach T1EXT Lightning and
Surge Protection Shelf, Model ED8C783-30
Important Safety Instructions
The exclamation point within an equilateral triangle is
intended to alert the user to the presence of important
operating and maintenance (servicing) instructions in
the literature accompanying the product.
* Registered trademark of F. J. W. Industries, Inc.
†Registered trademark of American Standards Institute, Inc.
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