3Com 3CNJPSE24 User Manual page 22

Appendix A — Safety Information
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WARNING
This product relies on the building installation for short-circuit
(overcurrent) protection. Make sure a fuse or circuit breaker no
larger than 120VAC, 15A. U.S. (240VAC, 10A international) is
used on the phase conductor.
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WARNING
Do not work on the system or connect or disconnect cables
during periods of lightning activity.
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WARNING
A voltage mismatch can cause equipment damage and may
pose a fire hazard. If the voltage indicated on the label is
different from the power outlet voltage, do not connect the
Ethernet Power Supply to this power outlet.
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WARNING
For shelf-mounted equipment, make sure the surface is stable
and strong enough to support the equipment. Do not stack
more than four Ethernet Power Supply units on top of one
another.
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WARNING
Ultimate disposal of this product should be handled according
to all national laws and regulations.
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WARNING
The Ethernet Power Supply "Data" and "Data & Power" ports
are shielded RJ-45 data sockets. They cannot be used as Plain
Old Telephone Service (POTS) telephone sockets. Only RJ-45
data connectors may be connected to these sockets.
A-2 Ethernet Power Supply User s Guide