Huawei AR1200 Series Compliance And Safety Manual page 19

AR 3200 Series Compliance and Safety Manual
Power Supply
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Human Safety
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Operator
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Ensure that the instructions provided in this document are followed completely. The document
also provides guidelines in selecting the measuring and testing device.
Issue (2009-08-24)
For AC supplied model: The socket-outlet shall be installed near the equipment and shall
be easily accessible.
For AC supplied model: The device applies to TN, TT power systems.
For DC supplied model: Reinforced insulation or double insulation must be provided to
isolate DC source from the AC mains supply.
Prepared conductors are connected to the terminal block, and only appropriate
AWG/Type of wire is secured in the listed lug terminals.
This device relies on the building's installation for short-circuit (overcurrent) protection.
Ensure that a fuse or circuit breaker no larger than 240 VAC, 20 A for AC supplied model
or 80 VDC, 10 A for DC supplied model is used on the phase conductors (all
current-carrying conductors).
For DC supplied model, a readily accessible disconnect device shall be incorporated in
the building installation wiring.
For AC supplied model: The plug-socket combination must be accessible at all times
because it serves as the main disconnect device.
Because the device has several power supplies, disconnect all of them to switch off the
device.
The AC power supply has double pole/neutral fusing.
To reduce the risk of fire, use only No. 26 AWG or larger telecommunication line cord.
Do not operate the device or cables at lightning strikes.
To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits to
telecommunication network voltage (TNV) circuits.
Do not look directly into the optical port to prevent the laser radiation from injuring your
eyes.
Do not wear jewelry or watches when you operate the device.
Only qualified and skilled personnel must install, configure, and disassemble the device.
Only the personnel authorized must operate the device.
Any replacement or change to the device or parts of the device (including the software)
must be done by qualified or authorized personnel of Huawei.
Any fault or error that might cause safety problems must be reported immediately to the
person in charge.
Only qualified personnel must remove or disable the safety facilities, or to troubleshoot
and maintain the device.
Huawei Technologies Proprietary
3 Safety Information
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