Siemens HiPath 1100, Service Manual

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Important Information
1-20
Service Manual
Safety Information
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Make sure that no circuit is powered up before you start working on the equipment. Never
assume that all circuits are automatically disconnected every time a breaker or additional
fuse is disconnected.
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Do not connect or remove telephone lines or circuit boards during a thunderstorm.
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Always consider the possibility that a leakage current may be present.
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When working outdoors, never leave the equipment unsupervised.
1.1.2 Safety Information: warning
Hazards when working with large gauge cables
Low voltages and large gauge cables increase the risk of hazardous situations. While large
gauge cables are usually of low voltage, their current values are higher. This results in higher
risk, specifically in the event of a short-circuit.
Protective Clothing/Equipment
●
When working with the equipment, do not wear loose-fitting clothes. Contain long or free-
flowing hair.
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To avoid injury and the risk of short-circuiting, do not wear jewelry, watches with metallic
wristbands, clothing with metallic accessories or rivets when working with the equipment.
●
Always use appropriate eye protection.
●
Wear a safety helmet in hazardous situations where there is a risk of injury from falling
objects.
Safety Measures
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Shiny or reflective surfaces are conductive. Never touch a live component with a mirror.
This can lead to short-circuiting, which may lead to personal injury.
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Unless the equipment’s operating instructions specify otherwise, shut-down the power
when working in close proximity to a power supply or DC converter.
●
Do not try to lift heavy objects by yourself.