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Important safety instructions
DSLPipe DSU (SDSL) User’s Guide vii
16 When installed in the final configuration, the product must comply with the
applicable safety standards and regulatory requirements of the country in which it
is installed. If necessary, consult with the appropriate regulatory agencies and
inspection authorities to ensure compliance.
17 A rare phenomenon can create a voltage potential between the earth grounds of
two or more buildings. If products installed in separate buildings are
interconnected, the voltage potential might cause a hazardous condition. Consult
a qualified electrical consultant to determine whether or not this phenomenon
exists.
In addition, if the equipment is to be used with telecommunications circuits, take the
following precautions:
• Never install telephone wiring during a lightning storm.
• Never install telephone jacks in wet locations unless the jack is specifically
designed for wet locations.
• Never touch uninsulated telephone wires or terminals unless the telephone line
has been disconnected at the network interface.
• Use caution when installing or modifying telephone lines.
• Avoid using equipment connected to telephone lines (other than a cordless
telephone) during an electrical storm. There is a remote risk of electric shock
from lightning.
• Do not use a telephone or other equipment connected to telephone lines to report
a gas leak in the vicinity of the leak.
!
Warning: To reduce the risk of fire, communication cable conductors must be 26
AWG (0.13 mm
2
) or larger.
!
Avertissement: Afin de réduire les risques d'incendie, les fils conducteurs du câble
de communication doivent être d'un calibre minimum de 26 AWG (American Wire
Gauge), c'est-à-dire d'un minimum de 0,13 mm².
!
Warnung: Um Feuer-Risiko zu reduzieren, müsssen die Querschnitte der Kom-
munikationskabel-Leiter 0,13 mm² oder größer sein.
B. SPECIAL REQUIREMENTS
18 Lithium batteries: